Impaired Physicians Expert Witnesses

Fortville, Indiana

Addiction Medicine, Family Medicine - Opioid Cases, Wrongful Death, Overdose Litigation, Criminal Defense, Causation Analysis, Malpractice, Addiction Medicine, Rehabilitation Protocols, Medical Records Review, Osteopathic Medicine, Impaired Physicians, Chronic Pain, Detoxification Standards, Pain Management, Standard of Care, Toxicology Analysis, Expert Testimony, DUI

Dr. Darrin Mangiacarne graduated from the Philadelphia College of Osteopathic Medicine (PCOM). He received his master’s degree in Public Health from the University of Southern Mississippi and completed his family medicine residency at St. Luke’s Hospital in Bethlehem, PA. Darrin became the second addiction medicine fellow at Geisinger Health System. He is a Certified Physician Executive . Dr. Mangiacarne is board certified in family medicine from the American Osteopathic Board of Family Physicians (AOBFP) and addiction medicine from the American Board of Preventive Medicine (ABPM) and (AOBFP). He is a Distinguished Fellow of the American Society of Addiction Medicine (DFASAM) and a fellow of the American Osteopathic Academy of Addiction Medicine (FAOAAM). He also is the President for the American Osteopathic Academy of Addiction Medicine. Dr. Mangiacarne has worked in the addiction field for the past 15 years in both inpatient and outpatient settings. He co-chaired the Indiana Att...

STROUDSBURG, Pennsylvania

Addiction Medicine, Family Medicine - Opioids, Alcohol, Addiction Medications, Withdrawal Management, Detoxification, Methamphetamine, DUI, Drug Testing, Toxicology, ASAM Criteria, Buprenorphine, Overdose, Impaired Physicians, Standards of Care, Residential Care, Cannabis, Gambling & Behavioral Addictions, Drug & Alcohol Treatment, Addiction Treatment, Naltrexone

Dr. Joseph Valdez is a board-certified physician in both Family Medicine and Addiction Medicine with over a decade of clinical, academic, and leadership experience. He currently serves as Program Director of the ACGME-accredited Addiction Medicine Fellowship at Geisinger Health System and is a Clinical Assistant Professor at the Geisinger Commonwealth School of Medicine. Dr. Valdez has extensive experience in outpatient addiction treatment, medication-assisted therapy, and the integration of addiction services into primary care. He has led clinical teams at ASAM levels 3.7 (medically managed inpatient), 2.5 (partial hospitalization program) and 1.7 (medically managed outpatient). His expertise spans the evaluation and treatment of substance use disorders, opioid & alcohol pharmacology, withdrawal management, and the neurobiology of addiction. He has served in leadership roles across multiple institutions, developed curricula, and contributed to national conversations on addiction ...