Professional Malpractice (General) Consultants: 93

Dr. Farr Ajir, MD, MBA, FACS, CIME, is a Board Certified Neurosurgeon with more than 35 years of experience in the treatment of disorders of the Brain, Spine, and Peripheral Nerves. He is also certified by the American Board of Independent Medical Examiners.

Dr. Ajir has been staff neurosurgeon at Mayo Clinic and Kaiser Permanente Healthcare Systems.

He is a Fellow of the American College of Surgeons (FACS),  Congress of Neurological Surgeons, and California Association of Neurological Surgeons. He is a Certified Physician Executive (CPE) with many years of leadership and administrative experience in healthcare delivery.

Litigation Support - As an expert neurosurgeon with decades of experience, Dr. Ajir offers services to attorneys representing plaintiff and defendant. He is certified by the American Board of Independent Medical Examiners (CIME), performs IMEs, and provides expert reviews and medical-legal opinions. Dr. Ajir holds medical licenses in California, Montana, New York, Pennsylvania, Washington, Wisconsin, and Utah. 

Areas of Expertise: 

Brain

Brain Abscesses & Infections Brain Concussions Brain Contusions Brain Edema Brain Hemorrhages Brain Injuries Brain Tumors Cerebral Aneurysms Cerebral Vascular Diseases Cranioplasty

Craniotomy Head Traumas Hydrocephalus Microneurosurgery Pituitary Tumors Skull Fractures Stereotactic Neurosurgery Vascular Malformations Ventriculoperitoneal Shunts

Spine

Back Pain & Injuries Back Pain & Injuries Cervical Disc Diseases Cervical & Lumbar Disc Surgeries Cervical & Lumbar Laminectomy Lumbar Disc Diseases Microdiscectomy

Neck Pain & Injuries Spinal Abscesses & Infections Spinal Cord Injuries Spinal Cord Tumors Spinal Stenosis & Spondylosis Spine Fractures Spine Injuries

             

Non-Surgical Orthopaedics, P.C. was established in 1993. Specializing in Spine Care and Pain Management, the practice has developed into one of the premier non-surgical orthopaedic practices in the southeast, and an industry leader for the non-invasive treatment of back and neck pain. Non-Surgical Orthopaedics P.C. offers a wide variety of Non-Surgical options to Treat Pain and Musculoskeletal Injuries. Their goal is to eliminate pain with a strong emphasis on injury prevention and rehabilitation. Services include:

• Pain Management
• Orthopaedic & Sports Injuries
• Workers’ Compensation
• Auto Injuries
• IME's & Disability Evaluations

Video: Non-Surgical Orthopaedics, P.C. | The Overview

Arnold J. Weil, MD has over 29 years of experience specializing in Non-Surgical Orthopaedics and Pain Management. A Diplomat of the American Board of Physical Medicine and Rehabilitation and Chief Executive Officer of Non-Surgical Orthopaedics, P.C., one of the premier orthopaedic practices in the metro Atlanta area. 

Dr. Weil's practice focuses on conservative, non-surgical care of orthopaedic injuries, including the spine and extremities, with emphasis on spine rehabilitation, functional restoration, pain management, and ergonomic modifications. He treats patients with back and neck pain and a variety of other orthopaedic conditions. Focusing on acute and chronic pain management through an advanced Non-Surgical approach, 

Dr. Weil has become one of the leading experts on Spine Care and Disability Management. Dr. Weil has been a Clinical Assistant Professor of Rehabilitation Medicine at Emory University School of Medicine in Atlanta, Georgia. An active lecturer, Dr. Weil speaks nationally and internationally on the nonsurgical management of back and neck pain as well as new advances in pain management. He also provides practice management to small-medium sized medical practices.

View Dr. Weil's Expert Witness Profile.

North Country Thoracic & Vascular, P.C. specializes in the treatments of diseases affecting the Chest and Vascular System.. Areas of expertise include:

• Thoracic Surgery - The surgical treatment of diseases affecting the heart, lungs, and other organs within the thorax (chest).
• Vascular Surgery - The surgical management of diseases of the vascular system (arteries and veins), including standard surgical and minimally-invasive (endovascular) techniques.
• Non-invasive Vascular Testing
• Management of Venous disease - Radiofrequency ablation, microphlebectomy and sclerotherapy for venous insufficiency and varicose vein disease.

Principal, Craig A. Nachbauer, MD, RPVI is certified by the American Board of Thoracic Surgery and has practiced thoracic and vascular surgery since 1991. He also serves as the Medical Director of the University of Vermont Health Network-Champlain Valley Physicians Hospital Wound Center.

Dr. Nachbauer completed his thoracic surgery residency at the Ohio State University Hospitals. After a fellowship in pediatric cardiothoracic surgery at Emory University, he served as Clinical Associate in Cardiothoracic Surgery at The Cleveland Clinic.

He is a diplomate of the American Board of Thoracic Surgery, Fellow of the American College of Surgeons, a member of the Society of Thoracic Surgeons, the Southern Thoracic Surgical Association, and the Society for Vascular Ultrasound.

New York Address 12 Haeley Avenue Plattsburgh, NY

Vermont Address 54 West Twin Oaks Terrace, Suite 14 South Burlington, VT

View Dr. Nachbauer's Expert Witness Profile.

Dr. Patricia J. Bartzak, DNP, RN, CMSRN is a doctorally prepared Registered Nurse, with active nursing licenses in both Massachusetts and California.  Dr. Bartzak provides direct patient care in the hospital setting.  In addition to nursing research and education positions. Dr. Bartzak demonstrates both a wide and deep involvement in the nursing field. Her clinical practice provides the relevance, skill set, and understanding of what’s needed to create an environment that finds the evidence to optimize patient outcomes and leads the next generation of nurses. Dr. Bartzak utilizes peer-reviewed journal databases and meticulously references her sources and synthesizes information on complex nursing and health-related subjects. Currently working in a hospital designated as level 1 trauma center. 

Dr. Bartzak has completed the Intensive Course on Evidence-Based Practice (EBP) at the Fuld Institute at Ohio State University (2019) and is co-leading the adoption of EBP for a national organization. Dr. Bartzak has demonstrated skill in data mining and concept simplification to provide background and context for complex healthcare matters. Dr. Bartzak has worked in both union and non-union environments, and has the background and experience to consult with hospital leadership to engage and strengthen nurse’s investment in the workplace. Dr. Bartzak has written policies and procedures so she can assist other organizations in policy review and recommendations to ensure broad coverage, while also maintaining a risk management balance. Dr. Bartzak is versed in core measures and patient safety initiatives, and can provide an independent evaluation of practice issues and outcomes.

Finally, Dr. Bartzak has taught at all levels in nursing education from associate to doctoral, and can provide recommendations related to student progress in the academic area, and issues related to new graduate nurses transitioning into practice.

View Dr. Bartzak's Expert Witness Profile.

John D. O'Connor has more than 40 years of experience dealing with complex Attorney Fee Disputes. He is a member of the National Association of Legal Fee Analysis (NALFA) and is recognized as one of the top legal fee experts in the country.

Mr. O’Connor has tried over 70 cases in federal and state venues throughout the country, with highly enviable success in complex, contentious disputes. Retained by R.J. Reynolds Tobacco Company as trial counsel in key cases, he has achieved a pretrial dismissal in each concluded action. He has held the highest Martindale-Hubbell “AV” rating for over 25 years, and has consistently been named a “SuperLawyer” by his Northern California peers.

A former Federal Prosecutor, Mr. O’Connor was chosen lead outside counsel in certain S&L crisis litigation, defended a California Attorney General in campaign-related litigation, and successfully represented Golden State Warriors basketball Coach Don Nelson in significant contract claims.

Litigation Support - Since the advent in the late 1980’s of adversarial legal auditing, Mr. O’Connor has served extensively as an expert, litigator, and JAMS mediator throughout the country, analyzing audit criticisms, applying community standards, and construing applicable case law. Through written Declaration and oral testimony, he has consulted on hundreds of adversarial legal fee disputes over three decades. Mr. O'Connor's work has been widely lauded by clients, lawyers, courts, and arbitrators.

Areas of Attorney Fee Dispute Expertise:

• Billing Rates / Overbilling
• Litigation Efficiency
• Task Assignment and Staffing
• Prevailing Party Determination
• Litigation Skill

Orthopedic Expert Services, LLC. provides exclusive consultative services for the legal profession, the insurance industry and the health care industry.

Principal, Neal C. Small, MD, is a Board Certified Orthopedic Surgeon with over 35 years of clinical experience treating orthopedic injuries and spinal disorders. He has performed over 17,000 orthopedic and spine surgical procedures and has the experience and knowledge to be a credible expert in virtually any orthopedic or spine case.

Dr. Small is Certified by The American Board of Orthopedic Surgery, a Fellow of the American Academy of Orthopedic Surgeons, and a Member of the Arthroscopy Association of North America. He has also served as a Past President of the Arthroscopy Association of North America. Dr. Small has published over twenty articles on various orthopedic topics in refereed orthopedic journals and textbooks.

Litigation Support - Dr. Small has extensive forensic experience, serving as an expert on hundreds of cases and having been deposed numerous times. He has never faced a Daubert challenge. Dr. Small is licensed to practice in Texas, Oklahoma, and Idaho. He has provided opinions within reasonable degrees of medical probability or medical certainty on issues concerning Causation, Usual and Customary Medical or Surgical Treatment, Usual and Customary Expenses, Future Medical or Surgical Needs, and Anticipated Expenses.

Areas of Expertise:

Arthroscopic Surgery Spine Care Disability Evaluations IMEs Fractures

Total Joint Replacement Spinal Trauma Sports Medicine Shoulder Knee / Lower Extremity

Armond Kotikian, DDS, MD, FACS, is double board certified in Oral and Maxillofacial Surgery. In the clinic setting, Dr. Kotikian routinely performs IV sedations for complex cases including:

Impacted Wisdom Teeth Dental Implants Bone Grafting Dento-alveolar Surgery

Reconstructive Jaw Surgery Facial Trauma Oral Pathology - Tumor Excisions Obstructive Sleep Apnea

Dr. Kotikian is focused on patient care. He has been an expert witness on over 125 malpractice cases, given depositions on over 65 cases and testified at court over the past seven years.  He has been retained on nerve injury cases, wrong tooth extraction cases, wrongful death/anesthesia complications, dental implant complications, head and neck infection cases, misdiagnosed pathology, jaw fracture due to extraction cases, TMJ and all aspects of the Oral and Maxillofacial Surgery. 

Dr. Kotikian routinely lectures on subjects related to his field at both the local and national level. Topics include his areas of specialization such as Oral and Maxillofacial Trauma, Infections, Oral Pathology Resection and Reconstruction, Treatment of Obstructive Sleep Apnea Patients (surgical and non-surgical), and Craniofacial Anomalies (orthognathic surgery / corrective jaw surgery).

Dr. Kotikian has been featured in the LA Times, Chicago Tribune, Glendale Newspress and many other local newspapers for his work in the field of Oral and Maxillofacial Surgery. He has also been featured on CNN Headline News local edition and the Diane Sawyer Nightly News on ABC.Dr. Kotikian is a member of numerous organizations, including the American Association of Oral and Maxillofacial Surgeons, California Association of Oral and Maxillofacial Surgeons, and the Southern California Orofacial Academy. 

View Dr. Kotikian's Expert Witness Profile.

Georgia J. Persky RN, MBA, PhD, CLNC, is a seasoned nurse with over 40 years of broad Clinical Nursing experience and 25 years of Senior Leadership in Healthcare Organizations. She has expertise in the micro issues in direct patient care and the broad Management, Quality, State, Federal, and Joint Commission regulatory issues in hospitals and long term care facilities. Dr. Persky provides private consulting for hospitals that want to improve patient care quality and satisfaction. A national speaker and author, her services are in demand for engagements on healthcare issues. 

Litigation Consulting Support - As a Certified Legal Nurse Consultant and Quality Reviewer, Dr. Persky has investigated hundreds of Malpractice and Injury cases as a quality reviewer and can assist in legal case review with chronologies, timelines, and evidence based reports. Dr. Persky's services are available to attorneys for plaintiff and defense seeking an expert in nursing and patient care with a strong understanding of how hospitals and nursing homes work. 

Facility Consulting Services:

• Provide hospital and nursing leadership and support in turnaround or acute regulatory situations
• Assess, plan, implement and evaluate Patient Care Services structure, processes and patient satisfaction initiatives
• Mentor nursing leadership team or screen and recruit new leadership
• Recommend strategies and tactics to improve efficiency or effectiveness in nursing and hospital operations
• Assess Perioperative Services and improve volume and patient flow
• Provide focused plan and implementation to address regulatory and accreditation issues and prepare leaders and staff for regulatory visits
• Develop Nursing, Operational and Strategic plan for handoff to new leadership team

Background Experience - Dr. Persky has served as Vice-President of Nursing and Patient Care Services for 25 years and most recently, New York Presbyterian Hospital at Columbia University Medical Center. For nine years, she was responsible for Risk and Quality Management and Patient Satisfaction for a 750 bed academic hospital. She directed a $200 million budget with 33 patient services units and Care Management, Respiratory Therapy, Social Work and Admitting Departments with 9 direct reports and 2,000 patient care employees. 

View Dr. Persky's Expert Witness Profile.

Marcel O. Ponton, PhD, has over 25 years of experience in the field of Psychology. He specializes in the Neuropsychological Assessment and treatment of Traumatic Brain Injury patients and patients with Psychological Trauma.

Dr. Ponton continues to treat brain injury and trauma survivors in his private practice. He has extensive expertise in the assessment of Spanish-speaking patients. He is a published author, Associate Clinical Professor in the Department of Psychiatry at UCLA, and Adjunct Professor of Pastoral Counseling at Fuller Theological Seminary.

Litigation Support - Over the past 22 years he has served as an expert witness, Dr. Ponton has executed hundreds of evaluations and been retained for his expertise over 300 times. He has testified as an expert in court or before an arbitrator over 40 times. Dr. Ponton's services include neuropsychological assessments, psychological assessments, report writing, medical records review, consulting, and assessment of children and adults.

Areas of Expertise:

Forensic Neuropsychology Traumatic Brain Injury Brain Injury Rehabilitation Spinal Cord Injury Trauma Malingering Personal Injury

Post Traumatic Stress Disorder Psychology Dementia Sanity / Trial Competency Sexual Harassment Sexual Discrimination Handedness

The Physician Assistant Experts Network™ is a referral resource for attorneys seeking expert medical opinions on the standard of care provided by physician assistants and advanced nurse practitioners. The PA Experts Network™ was founded by Jeffrey G. Nicholson, PA-C, Ph.D., M.Ed., MPAS, an experienced medical-legal consultant and a leader in the physician assistant profession. He will either help you personally or facilitate a physician assistant expert from his network of board certified Physician Assistant Experts in all medical specialties. See his article on this website. Practicing 30 years, a PA Educator, Assistant Professor, and Director of the University of Wisconsin Physician Assistant Program.

Services Include:

• Medical Records Review, Deposition, Testimony, Referrals of PAs, NPs, Midwives, CRNAs, and allied health PT, EMT etc.

Education and Certifications:

• Ph.D., University of Wisconsin-Madison, WI, 2008
• Master of Education, M.Ed., Harvard University, Cambridge, MA, 1989
• Masters Degree in Physician Assistant Studies, University of Nebraska Click here for Website to see complete resume and photo.

Thomas J. Zaydon, MD, FACS,  is a Board Certified Plastic Surgeon with over 30 years of experience.. Dr. Zaydon is the founder of The Cosmetic Surgery Institute of Miami and is a recognized authority on Plastic and Reconstructive and Burn Surgery. During his tenure, he has worked in the medical field in the emergency room, providing surgical procedures and performing surgery on patients who need long term or short-term care.

Dr. Zaydon is certified by the American Board of Plastic Surgery, is a member of the American Society of Plastic Surgeons, and a fellow of the American College of Surgeons. He is a noted author of numerous articles and chapters on various aspects of plastic surgery. 

Litigation Support - Dr. Zaydon serves as a plastic surgery expert witness on liability cases around the country. He has had the opportunity to work both with defense and plaintiff attorneys. Working in the emergency room at major hospitals has given him opportunities to work with all types of injuries from major reconstruction to minor revisions. He can provide factual synthesis of any issue regarding the medical care or not appropriate medical care rendered. He navigates medical records and understands procedural terminology and insight with professionals, physician assistants, nurse practitioners, as well as physician practices and attorneys.

Video: Plastic Surgeon As Expert Witness: How to Choose Your Expert Witness - A Guide for Lawyers

Areas of Expertise:

Plastic Surgery Burn Reconstructive Surgery Breast Augmentation Breast Reduction Facelift Blephroplasty

Nasal Reconstruction Abdominoplasty Body Contouring Burn Patient  Workers Compensation Peer Reviews IMEs / EMAs

Ray S. Kim, Ph.D., is a Clinical Psychologist focused on providing individual, couples, and family therapy, as well as Forensic Evaluations for adults and juveniles. Areas of Consultation:

Depression Anxiety Disorders Child and Adolescent Issues Relationship Problems

Substance Abuse Psychological Evaluations Sex Offender Evaluations Violence Risk Assessments

Dr. Kim is currently the Director of Chicago Metropolitan Forensic Services at the Illinois Department of Human Services where he supervises a team of clinical psychologists and social workers who evaluate the placement of individuals into forensic facilities. He also serves as the Director of Clinical Training at Chicago Metropolitan Forensic Services where he developed and supervises a forensic practicum program which provides opportunities for specialized clinical training in the area of forensic psychology. 

Dr. Kim was one of the first psychologists trained by the Illinois Department of Human Services to evaluate sex offenders for sexual dangerousness under the Sexually Violent Persons Commitment Act. He is also among the first to be certified as a Licensed Sex Offender Evaluator and Licensed Sex Offender Treatment Provider in Illinois. 

Certifications - Licensed Clinical Psychologist, Board Certified Forensic Psychologist, Licensed Sex Offender Evaluator, Licensed Sex Offender Treatment Provider, Board Registered Mental Illness/Substance Abuse Provider, Fellow of the American College of Forensic Examiners Institute, Fellow of the American College of Advanced Practice Psychologists, Diplomate of the American Psychotherapy Association, Diplomate of the American Board of Psychological Specialties, National Register of Health Service Psychologists. www.experts.com

View Dr. Kim's Expert Witness Profile.

Rieser Building Group is a leading builder, engineer, architect, and forensic team with over 25 years of experience in management, design, and construction of over 4,000 units. These units range from custom homes, commercial buildings, and developments, to public works like Caltrans and BART construction, and roadway improvements (over 500 miles). With a full breadth of professional development services, they manage all aspects of a project, from entitlements to design to warranty.

Building Services - Design in-house, or, as licensed engineering and construction professionals, Rieser Building Group can manage an outside team of architects, civil engineers, structural engineers, and landscape architects.

Engineering and Design Services - Spearheaded by a professional Engineering & Architectural team, Rieser provides innovative designs and timely approvals in custom homes, commercial buildings, apartments, large developments, structures, topo-mapping, hydraulics, traffic engineering, and transportation engineering.

Development Services - Developing single custom-built home or a multiphase project, Rieser will expedite the development process, establish a joint venture to share costs, or purchase the project. In addition to flexible management, they conduct property feasibility studies to calculate the right mix of homes and maximize ROI. 

Mark E. Rieser, II, MS, PE, AIA, GBC, GEC, has over 30 years of experience in the Construction and Building Design industry. He provides his clients with a comprehensive knowledge of Construction Technology and Construction Standards of Professional Practice. Background Experience - President of an active Design / Build company, Mr. Rieser has managed, designed, and constructed over 4,000 units to include high-rise, single family homes, condominiums, townhomes, podiums, apartments, and commercial buildings, His experience includes construction, management, and design of over 500 miles of asphalt and roadway improvements, tunnels, San Francisco Airport, Santa Clara Light Rail, Southern Pacific Railroad, Caltrain, and BART. Mr. Rieser has an insightful understanding of Civil / Structural Engineering, Soil Engineering, Transportation / Traffic Engineering, Hydraulic Engineering, Architectural Design, Asphalt Design, Cost Estimation, Public Works Design Bidding and Estimation, General Engineering, General Building, and an Accident Reconstruction expert.

NorCal Headquarters San Jose Office 2033 Gateway Pl Suite 500 San Jose, CA 95110	San Francisco Office 425 Market St Suite 2200 San Francisco, CA 94105	SoCal Headquarters Los Angeles Office 10100 Santa Monica Blvd. Suite 300 Los Angeles, CA 90067	Sacramento Office 777 Campus Commons Rd Suite 200 Sacramento, CA 95825

View Mark Rieser's Expert Witness Profile.

Sandman Legal P.C. is the only law firm with a focus on the needs of the expert witness community. Their founder is a practicing attorney, licensed to practice law in California and Illinois, with 20 years of legal experience and a deep understanding of the expert witness and medical expert witness industry. After nearly a decade of experience in multiple executive leadership capacities, including five years as president for the nation's leading medical expert witness consulting firm, he left to pursue his long-time goal and launched Sandman Legal P.C., a provider of legal and dispute resolution services to the expert witness community and beyond.

Consulting Services for Expert Witnesses:

• Contract Review and Drafting
• Fee Schedule Review and Drafting
• Resolution of Disputes Specific to the Expert Witness Industry
• Insurance Policy Review and Consulting
• General Counsel Services

Dan Sandman, Esq., is an attorney, business executive, and founder of Sandman Legal P.C. He is respected for his education, experience, and commitment to his clients. Dan is energized by empowering individuals and teams, developing successful operational models, maximizing client relationships, and delivering unsurpassed business growth for individuals and legal services organizations in the expert witness space. Dan possesses a blend of experience working to grow private equity-backed companies, public service organizations, and individually owned businesses.

Dan's business leadership includes a focus on building coalitions with administrative agencies, increasing visibility for public campaigns, and advising individuals and executive teams on business and legal issues to mitigate risk. Additionally, he has held several board leadership positions and related affiliations in the legal profession and in the public sector.

Medical Expert Witness Retainers, Contracts, and Insurance with Dan Sandman, Esq - PGD

Most recently, Dan furthered his legal education at the Straus Institute for Dispute Resolution, Caruso School of Law at Pepperdine University. He successfully completed the certificate program entitled Mediating the Litigated Case, the number one mediation program in the nation. Dan's focus as a certified mediator is on business disputes, personal injury matters, employment cases, medical malpractice, and community-based issues.

Sanjay Adhia, MD, MRO, is triple-Board-Certified in Psychiatry, Brain Injury Medicine and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia has provided patient care in the Houston area. Currently, he is a neuropsychiatrist at Memorial Herman TIRR where he treats those with brain injury, stroke, and other neurological injuries. His forensic practice focuses on the psychiatric impact of personal injury, medical malpractice, drug and alcohol abuse, sexual abuse, competency, violence, and complicating mental illness, as well as psychiatric disability. 

Dr. Adhia is among one of the few Forensic Psychiatrists who is also Board-Certified in Brain Injury Medicine. Often, Traumatic Brain Injury (TBI) can be a major factor in litigation as it can result in psychiatric or neurocognitive impairments. He has expertise in psychopharmacology, the medicine of medication. 

In addition, Dr. Adhia works with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. He is experienced in the treatment and impact of drug and alcohol abuse on decision-making. Dr. Adhia has also treated severe psychosis (Schizophrenia, hallucinations) and psychopathology. Dr. Adhia was formerly treating patients at a Maximum Security Prison and prison psychiatric hospital. He has treated Opioid Use Disorders. 

Dr. Adhia’s findings consider complicating factors, such as emotional distress worsened by other active physical and mental conditions. Other factors are pre-existing mental and physical illness, competency and capacity (e.g. dementia, Intellectual Disability.) As a physician, Dr. Adhia is uniquely qualified to review medical records and doctor reports. Institutional medicine, medical malpractice, and standard of care apply to both public and private facilities, including government, regulated correctional institutions, and psychiatric hospitals. Dr. Adhia is skilled in these med-legal issues. He conducts Independent Medical Examinations, review of records, and reports his med-legal findings and opinions. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.