Forensic Psychiatrist Expert Witness & Forensic Consultant - Multiple Board Certified
Leonard Weiss, M.D.
Austin, Texas 78746
https://www.psychiatryaustin.com
► Contact Leonard Weiss, M.D.
Expert WitnessForensic ExpertLitigation SupportSpeaker
• Psychiatry, ABPN
• Forensic Psychiatry, ABPN
• Brain Injury Medicine, ABPN
• Addiction Psychiatry, ABPN
• Internal Medicine, ABIM
• Subspecialty Fellowship in Nutrition at Memorial Sloan-Kettering Cancer Center in New York.
Dr. Weiss has been a physician for more than 30 years, as an Internist and then expanding his interests and excellence in Psychiatry for more than 27 years and Forensic Psychiatry in the Board-Certified specialties above.
In 2013, Dr. Weiss moved to Austin, Texas and opened his clinical practice, Psychiatry Austin, PLLC where he treats patients with psychotherapy, medication treatment when indicated and therapies relevant to unique psychiatric conditions and addiction.
Dr. Weiss has also practiced Psychiatry in Atlanta, GA, and Internal Medicine in Michigan, where he still maintains licensure.
Dr. Weiss has served on the faculties of Rush Medical School and Michael Reese Hospital before settling in Austin, Texas where he has served as Medical Director of Austin Lakes Hospital. His additional achievements include developing and serving as Chief of the Dual Diagnosis Group Psychotherapy Program at Michael Reese Hospital of the University of Chicago, treating addictions.
Prior to private practice, Dr. Weiss served as Director of the Austin Lakes Hospital, treating Psychiatric Disorders in the outpatient program. He has also served as Medical Director of Infinite Recovery Rehab and Outpatient Detox in Austin.
Dr. Weiss graduated from Wayne State University Medical School and MIT (Mathematics), with residency training in Internal Medicine, Fellowship in Clinical Nutrition, and Psychiatry at, respectively, the University of Michigan Henry Ford Hospital, Memorial Sloan-Kettering Cancer Center in New York (Fellow) and Michael Reese Hospital in Chicago.
Services
Dr. Weiss offers the following services:
Consultation to attorneys, case review, records review, thorough reports of medical-legal findings
Expert witness testimony
Independent Medical Examination (face to face and video)
Review of medical records includes legal documents and toxicology reports, MRI, CTScan and radiology reports, surgical, and medication laboratory results associated with conditions treated in Psychiatry and Internal Medicine
Litigation Support Services
Dr. Weiss has special training and experience in the application of psychiatry to legal issues, including overlap with Internal Medicine and complex health issues. He works in areas where mental health and litigated or criminal cases in multiple jurisdictions. He offers objective evaluations and psychiatric consultation in a wide variety of legal matters, including expert testimony, as well as clinical work with perpetrators and victims.
Dr. Weiss provides expert opinions on mental health diagnostic, behavior, and treatment questions via written report, deposition, or courtroom testimony. He works with attorneys, courts, employers and other representative parties leading actual or potential litigation. He does not work with plaintiffs, defendants, or other parties as individuals. His research and assessment and his clinical practice cover areas such as:
Competency to stand trial (civil and criminal)
Competency to waive rights or legal representation
General Competency (to make a Will, consent to medical care, etc.)
Criminal Responsibility
Mental Disability
Malpractice
Confidentiality
Involuntary Treatment
Correctional Psychiatry
Juvenile Justice
Violence and Abuse
Areas of Expertise
- Addiction Medicine
- Addiction Psychiatry
- Addiction Recovery
- Addictions
- Alcohol Abuse
- Anxiety Disorders
- Attention Deficit Disorder (ADD)
- Bipolar Disorder (Manic Depression)
- Brain Injury
- Catastrophic Injury
- Clinical Psychiatry
- Codependency
- Competency
- Concussion
- Correctional Psychiatry
Additional Expertise:
Addictionology, Obsessive-Compulsive Disorder (OCD), Psychosomatic / Body Mind Disorder, Neurocognitive Disorders, Mental Disability, Juvenile Justice, Violence and Abuse, Impulse Control Disorders, Addiction Evaluation and Treatment, Disease Consultancy, Competency to Stand Trial, Alcoholism, Mental Disability, Therapy, Confidentiality, Domestic Abuse, Brain Injuries, Will Contest, Trust Contest, Revocable Trust.
Profile
Dr. Weiss is a Forensic Psychiatrist with unparalleled qualifications, as a Board-Certified physician in each of the following specialties:
• Psychiatry, ABPN
• Forensic Psychiatry, ABPN
• Brain Injury Medicine, ABPN
• Addiction Psychiatry, ABPN
• Internal Medicine, ABIM
• Subspecialty Fellowship in Nutrition at Memorial Sloan-Kettering Cancer Center in New York.
Dr. Weiss has been a physician for more than 30 years, as an Internist and then expanding his interests and excellence in Psychiatry for more than 27 years and Forensic Psychiatry in the Board-Certified specialties above.
In 2013, Dr. Weiss moved to Austin, Texas and opened his clinical practice, Psychiatry Austin, PLLC where he treats patients with psychotherapy, medication treatment when indicated and therapies relevant to unique psychiatric conditions and addiction.
Dr. Weiss has also practiced Psychiatry in Atlanta, GA, and Internal Medicine in Michigan, where he still maintains licensure.
Dr. Weiss has served on the faculties of Rush Medical School and Michael Reese Hospital before settling in Austin, Texas where he has served as Medical Director of Austin Lakes Hospital. His additional achievements include developing and serving as Chief of the Dual Diagnosis Group Psychotherapy Program at Michael Reese Hospital of the University of Chicago, treating addictions.
Prior to private practice, Dr. Weiss served as Director of the Austin Lakes Hospital, treating Psychiatric Disorders in the outpatient program. He has also served as Medical Director of Infinite Recovery Rehab and Outpatient Detox in Austin.
Dr. Weiss graduated from Wayne State University Medical School and MIT (Mathematics), with residency training in Internal Medicine, Fellowship in Clinical Nutrition, and Psychiatry at, respectively, the University of Michigan Henry Ford Hospital, Memorial Sloan-Kettering Cancer Center in New York (Fellow) and Michael Reese Hospital in Chicago.
Dr. Weiss conducts forensic evaluations and has served (sample) as an expert witness for
* private attorneys and law firms, plaintiff and defense (ask for references)
* fitness-for-duty/competency to practice evaluations (return to work) for Texas Professional Boards (Medical, Nursing, Pharmacy, Veterinary, and Dental).
* evaluations for Travis County Prison System
* psychiatric disability assessments in a Worker's Compensation setting.
Has testified in most Texas jurisdictions.
Dr. Weiss is highly qualified to conduct Forensic Psychiatric evaluations and testify about
• Psychiatric evaluations including Not Guilty by Reason of Insanity (NGRI) and competency
• Addiction/Substance Abuse
• Pain Management without addictive medications, like Fentanyl or OxyContin. He has treated high-pain and chronic pain conditions in the musculoskeletal system. He has been an invited speaker about Fibromyalgia, Arthritis, and diseases of the elderly as an Internist and Psychiatrist. He has also spoken about the use of Alternative and Complementary medicine in medical and psychiatric practice.
• Lethal exposure to poisons, alcohol, and opioids—Dr. Weiss spent a year studying and working at the world-renowned Georgia Poison Center.
• Crossover conditions of Psychiatry and Internal Medicine (e.g., dementia versus pseudodementia due to depression, depression versus endocrinological conditions [hypothyroidism]; manic episode or anxiety disorder versus hyperthyroidism (reference https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4468875/)
• Impact of Addiction on organ function (e.g., liver hepatitis or cirrhosis due to alcoholism, stroke due to cocaine or stimulants [amphetamine], kidney disease due to opioids [heroin nephropathy), etc.)
Areas Served
All States.
More Information
Forensic Psychiatry Services, Expert Witness and Consultant
Dr. Leonard J. Weiss CV, Expert Witness
About and Background, Dr. Leonard Weiss, Expert Witness
Contact Dr. Leonard Weiss
Anxiety Diagnosing, Treatment, Standard of Care, Expert Witness
Dr. Weiss, Clinical Practice in Austin, TX
Leonard Weiss, M.D. in the Social Networks
LinkedInProfessional Experience
Forensic Experience: Contact or review psychiatryaustin.com for detailed information reflecting more than 30 years' experience as a licensed clinical physician.
Academic Experience:
Faculty Appointments (Partial List, Current and Past)
Texas A&M Health Sciences University. TX
Michael Reese Hospital of the University of Chicago, Addictionology. Chicago, IL.
Rush Medical College. Chicago, IL.
Chicago Osteopathic Medical College. Chicago, IL.
Hospital Administration and Treatment Leadership (Partial)
Infinite Recovery Rehabilitation Center, Medical Director. Austin, TX. 2016-2017
Austin Lakes Hospital, Director, Psychiatric Outpatient Services. Austin, TX. 2013-2014
Kaiser Permanente Southeast US Region, Acting Medical Director, Alcohol and Drug Program/Eating Disorders Intensive Outpatient Atlanta, GA. 2003-2004
Michael Reese Hospital of the University of Chicago, Chief of Outpatient Alcohol and Substance Abuse Dual Diagnosis Group, Psychotherapy. Chicago, IL. 1990-1993
St. Bernard Hospital, Chief Psychiatric Consultant of Partial Hospital Psychiatric Program. Chicago, IL.1998-1999
St. Bernard Hospital Dual Diagnosis Group Psychotherapy Program, Chief and Group Leader. Chicago, IL. 1997-1999
Chicago Osteopathic Hospital Dual Diagnosis Group Psychotherapy Program, Chief and Group Leader. Chicago, 1989-1997; Interim Psychiatric Inpatient Doctor. 1995-1997.
Private Clinical Practice
Psychiatry Austin, Private Patient Care-Clinical Austin, TX. 2013-present
Private Practice, Psychiatric Treatment. Atlanta, GA. 2002-2013
Private Practice, Psychiatric Treatment. Chicago, IL. 1990-1999
Internal Medicine Private Practice. Detroit, MI. 1986-1987
Internal Medicine Practice, Health Alliance Plan HMO. Detroit, MI. 1984-1986
Licenses
Texas Medical License #P1833
Michigan Medical License #4301043591
Legal Experience & Services
Psychiatric evaluator in medical-legal matters, reporting findings by written and verbal report, and testimony. Psychiatry Austin. (2016-Present
Expert Witness, Travis County Prison System for Mentally Ill Offenders. 2016-present
Pilot Assessments, Federal Aviation Administration, including as a H.I.M.S. AME 2022-Present
Expert Witness, Travis County Prison System for Mentally Ill Offenders. 2016-present
Professional Recovery Network Evals for TX Pharmacy/Dental/Vet. Boards 2016-present
Medical Equations Worker's Compensation Evaluations & Expert Witness Testimony. Austin, 2016-present
Child Protective Services (CPS) in Texas Evaluator & Expert Witness, Austin, 2016-present
Illinois Department of Professional Regulation and Medical Disciplinary Board, Psychiatric and Internal Medicine Clinical Consultant. Chicago, 1993-1999
Drug Enforcement Administration, Psychiatric and Internal Medicine Chart Reviewer. Washington, DC. 1993-1999
Affiliations
Academic appointments, past and current, include Psychiatry and Addiction Medicine on the faculties of Chicago's Rush Medical College at Rush University Medical Center hospital (10 years), Northwestern University Medical School and Midwestern University, and Texas A&M Health Sciences University in Austin.
American Academy of Psychiatry and the Law (AAPL)
American Psychiatric Association (APA)
American Medical Association (AMA)
Austin Psychiatric Society
Qualifications
Forensic Psychiatry, American Board of Psychiatry and Neurology (1999-Current)
Addiction Psychiatry, American Board of Psychiatry and Neurology (1994-Current)
Psychiatry, American Board of Psychiatry and Neurology (1993-Current)
Brain Injury Medicine, American Board of Psychiatry and Neurology (2022-Current)
Internal Medicine, American Board of Internal Medicine (1982-Current)
Nutrition, American Board of Nutrition (1985)
H.I.M.S. AME, Pilot Assessment, Aviation Medical Examiner, Federal Aviation Administration (2023-Current)
Due Diligence Tool: Verify Board Certifications at the American Board of Psychiatry and Neurology.
Awards & Honors
Sigma Xi Research Society of North America, Massachusetts Institute Of Technology Chapter, 1975-present
Summer Research Fellowship, Massachusetts Institute of Technology, 1974
Honors Grade: Internal Medicine, Wayne State University Medical School, 1978-1979
Honors Grade: Radiology, Wayne State University Medical School, 1978-1979
Summer Psychiatry Clinical Fellowship, W.S.U. Medical School
Seminars & Training
Presentations, including CLE Education for Attorneys:
Stress, Isolation and Other Topics Which We Face in this Time of COVID, Texas Criminal Defense Lawyers Association, “Mindful Monday” Series, attendees >100. Continuing Legal Education. 2020
Traumatic Brain Injury, State Bar of Texas Advanced Workers' Compensation Law Course, co-sponsored by the Workers' Compensation Law Section of the State Bar of Texas. Continuing Legal Education. 2020
Competency to Stand Trial: A Psychiatrist's Viewpoint, Travis County Mental Health Court. Continuing Legal Education. 2019
Forensic Interviewing, Travis County Mental Health Court. Continuing Legal Education. 2017
Forensic Interviewing, Capacity for Justice, providing interdisciplinary education for judges, attorneys, psychiatrists and psychologists, Continuing Legal Education. 2016
DSM – 5 Revisions to the Autism Spectrum Diagnosis, Webb County Texas Head Start. 2013
Essential Principles in Treating the Dually Disordered, WellStar Behavioral Health Services CEU Accredited. Atlanta, GA. 2005
Addiction Diagnosis and Treatment, Georgia State University Occupational Medicine Graduate Program. 2005
Medical Aspects of Psychiatric Assessments, Ridgeview Hospital/Institute Nursing Staff and Atlanta Medical Center and Hospital Psychiatric Evaluation Team. 2005
Fibromyalgia: a Body/Mind Disease, Presented to: Atlanta Medical Center Internal Medicine Residents and Ridgeview Institute Quarterly Physician's Staff Meeting (CME Accredited) 2004, and Kaiser Permanente CME Conference and Crescent Centre and Cumberland Regional Clinics. 2002
Stress and the Body/Mind Relationship, Presented to: Chicago Osteopathic and Olympia Fields Family Medicine Department: Sponsored by SmithKline Beecham, Inc. and Rush North Shore Medical Center Psychiatric Grand Rounds and Glencoe Illinois Public Library. 1996; also presented to Michael Reese Hospital Psychiatric Grand Rounds and Chicago Osteopathic Hospital Psychiatric Grand Rounds and Hospital Psychiatric Grand Rounds. 1995
Publications
“Dealing with Stress, Isolation & Illness in the Age of COVID from a Psychiatric Perspective,” Voice for the Defense. Vol. 50, No. 1. Voice for the Defense In print and Online. 26 Jan. 2021, www.voiceforthedefenseonline.com/january-february-2021-sdr-voice- for-the-defense-vol-50-no-1/.
“Traumatic Brain Injury: Medical-Legal Aspects,” Chapter 11.3; State Bar of Texas 17th Annual Advanced Workers' Compensation Law, Aug. 2020
“Stress and Its Taxing Effects on the Body,” Illinois State Medical Society Journal: “Your Health Matters,” (sole author.) Apr 1999
“Addictions Update,” Medical Update, Rush North Shore Physicians Journal, (sole author.) Spring 1996
“Psychosocial Treatment of the Geropsychiatric Patient,” International Journal of Geriatric Psychiatry,8:95-100, (first author.) 1993
“Toward Healing the Doctor-Patient Relationship.” Publication of Mental Health Services, St. Francis Hospital of Evanston, 1:1 (Fall, 1990) Number 1, Fall, 1990. ( Sole author)
“The Doctor Guinea Pigs.“ (Book Review) Medical Tribune: July 18, 1984 ( Sole author)
“Doctors and Patients, Life and Death at a Bone Marrow Transplant Unit.” Book Review, Medical Tribune, June 1984
Professional References
Available on Request.
Education
Massachusetts Institute of Technology, Cambridge, Massachusetts, B.S. Mathematics, Minor in Nutrition and Food Science. Cambridge, MA. 1975
Wayne State University School of Medicine, Doctor of Medicine. Detroit, MI. 1979
Henry Ford Hospital of the University of Michigan Medical School, Internal Medicine Resident. Detroit, MI. 1980-1982
Memorial Sloan-Kettering Cancer Center of New York Hospital, Cornell University Medical School, Fellow of Clinical Nutrition. New York, NY. 1982-1984
Michael Reese Hospital of the University of Chicago Medical School, Psychiatry Resident. Chicago, IL. 1987-1990