Marvin Pietruszka, M.D. Expert Witness
Curriculum Vitae

Contact Information

  • Company: Forensic Med Group
  • Phone: (626) 415-0032
  • Cell: 626 324 9657
  • Fax: 626 606 3995
  • Website:
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Specialties & Experience

General Specialties: Toxicology and Pathology

Specialty Focus: Internal Medicine, Pathology, Forensic Toxicology, Personal Injury, Occupational Medicine, Autopsy, Toxic Exposure, Immigration

Education: MD, Autonomous University of Guadalajara; MS, Forenisc Toxicology, University of Florida; JD, Abraham Lincoln University, School of Law

Years in Practice: 42

Additional Information

Marvin Pietruszka, M.D., J.D. is Board Certified in Forensic Pathology and Toxicology and Preventive Medicine. He earned his Medical Doctorate. at the Autonomous University of Guadalajara in 1972, He completed his Pathology Residency at the University of Pittsburgh, School of Medicine in 1976. He received his Master's Degree in Forensic Toxicology in 2004, from the University of Florida. Dr. Pietruzka was granted his Juris Doctorate from the Abraham Lincoln University, School of Law in 2001. Dr. Pietruszka has been doing Independent Medical Examinations for the past 11 years and has testified in several cases.  He has been doing Medico-Legal work since 1997.  He is licensed to practice medicine in California, Texas and Pennsylvania. Dr. Pietruszka is an Associate Clinical Professor of Pathology at the University of Southern California. He serves as a Director at both the Psychemedics Toxicology Laboratory and at H.I.B.M., a genetic research laboratory. Additionally, he is a pathologist at Forensic Autopsy Services. Dr. Pietruszka is on staff at Valley Presbyterian Hospital and Providence-Tarzana Medical Center. He has participated in over twenty research projects for major pharmaceutical companies such as Bayer, Merck, SeraCare and Pfizer. The doctor has authored or co-authored twenty-seven books and articles in a wide range of clinical topics.