Leonard J. Weiss M.D.

Leonard J. Weiss M.D.

Leonard J. Weiss, M.D., Psychiatry Austin, PLLC
3006 Bee Caves Road, Suite D208
Austin, TX 78746
Office: 512-646-0880
Fax: 512-646-0879

Dr. Weiss is Board-Certified in Forensic Psychiatry, Psychiatry, Addiction Psychiatry, and Internal Medicine based in Austin, Texas. He is uniquely qualified to address the complicated relationship between mental illness, physical illness, crossover treatment of multiple mental and physical conditions, and psychiatric damages.

Dr. Weiss has been in medical practice for more than 30 years. For over 2 decades he has been a practicing Psychiatrist and Forensic Psychiatrist.

Dr. Weiss pursued medicine after obtaining a degree in mathematics at MIT. It became obvious to him that medicine was the more interesting discipline. He received training in Internal Medicine at the Henry Ford Hospital of the University of Michigan Medical School, Psychiatry at Michael Reese Hospital of the University of Chicago Medical School, and a Fellowship in Nutrition from Memorial Sloan-Kettering Cancer Center of New York Hospital, Cornell University Medical School. He obtained his medical degree at Wayne State University School of Medicine in Detroit.

He is sought for the depth and breadth of his expertise surrounding psychiatric and medical issues.

Additionally, he has specialized expertise in Addiction Psychiatry, with a focus on alcohol, street drugs, and prescription medications. He has served in leadership roles at respected rehab facilities and inpatient and outpatient recovery programs in Chicago, Atlanta and Austin, Texas.

Dr. Weiss is called upon to conduct Forensic Psychiatry & Medical Evaluations, and testify as an Expert Witness; he has conducted thousands of psychiatric assessments in his career and testified in many dozens of court cases. He also privately consults to attorneys about psychiatric features of their cases as an unretained expert.

Dr. Weiss has presented and published extensively about the psychiatric impact of stress, pain, and addiction, geriatric psychiatry, and diseases and injuries of the brain.

Areas of Expertise
  • Addiction Medicine
  • Competency
  • Drug Abuse
  • Fitness for Duty Evaluation
  • Forensic Psychiatry
  • Geriatric Psychiatry
  • Neuropsychiatry
  • Psychiatry
  • Psychopharmacology
  • Sanity/Competency to Stand Trial

Expert Background
Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: Dr. Weiss is a Forensic Psychiatrist with unparalleled qualifications, as a Board-Certified in 5 distinct and complementary disciplines:

• Psychiatry
• Forensic Psychiatry
• Addiction Psychiatry
• Internal Medicine

Fellowship Memorial Sloan-Kettering in Nutrition (past Board-Certified)
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
A: 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 of Chicago Osteopathic Hospital, and Texas A&M Health Sciences University in Austin.
Q: Please list any teaching or speaking experience you have had, including subject matter:
A: Dr. Weiss has given a continuing legal education presentation for the Travis County Mental Health Court. He has also given a presentation for the same audience on Forensic Interviewing, which was originally presented at the non-profit Capacity For Justice in 2016. He has given numerous talks on clinic topics including the body-mind relationship, dual diagnosis, addiction, stress, fibromyalgia, pain syndromes, preventative medicine, anxiety, and depression.
Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
A: No.
Q: On how many occasions have you been retained as an expert?
A: Call for details.
Q: For what area(s) of expertise have you been retained as an expert?
A: Psychiatry, Addiction Psychiatry, Forensic Psychiatry, Internal Medicine, Nutrition, Competency, Workers Compensation, Sanity, Violence Assessment, Professional Boards (Medical, Dental, Veterinarian & Nursing), Child Protective Services, Medical Negligence, Standard of Care
Q: In what percentage of your cases were you retained by the plaintiff?
A: 50%
Q: In what percentage of your cases were you retained by the defendant?
A: 50%
Q: On how many occasions have you had your deposition taken?
A: Several dozen.
Q: When was the last time you had your deposition taken?
A: 2019. Please call for current information.
Q: On how many occasions have you been qualified by a court to give expert testimony?
A: 12
Q: For how many years have you worked with the legal industry as an expert?
A: 20+ years.
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
A: Expert Witness, Independent Medical Evaluation, thorough forensic reports of findings, Medical Records Review, Fitness For Duty Examinations, Trial Consulting
Q: What is your hourly rate to consult with an attorney?
A: Please call 512-646-0880 for this information.
Q: What is your hourly rate to review documents?
A: Please call 512-646-0880 for this information.
Q: What is your hourly rate to provide deposition testimony?
A: Please call 512-646-0880 for this information.
Q: What is your hourly rate to provide testimony at trial?
A: Please call 512-646-0880 for this information.
Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
A: Please call 512-646-0880 for this information.


Available Upon Request