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Compassionate, Expert Addiction
Treatment for Professionals

At Positive Sobriety Institute, we don’t treat addicts for substance abuse. We treat people. Every patient receives the unconditional respect, care and focus of our multidisciplinary team of experts while at our substance abuse treatment facilities. Our board-certified physicians and licensed clinicians take an evidence-based approach, combining medical and holistic therapies to heal the mind, body and spirit.

With an average age of 45, our patients are typically adults with established careers and family responsibilities. We understand there's a tremendous amount at stake. Our team is dedicated to helping each individual achieve lasting recovery from substance abuse and rebuild their lives.

Daniel H. Angres, MD

Leading our extraordinary team is Dr. Daniel Angres, a nationally recognized expert in psychiatry, addiction and substance abuse treatment, and physicians’ health programs. Triple board certified in Addiction Medicine, Psychiatry and Neurology, and Addiction Psychiatry, Dr. Angres also serves as Adjunct Associate Professor of Psychiatry at the Northwestern University Feinberg School of Medicine. He has been published extensively in peer-reviewed journals, lectured at major academic medical centers, and authored groundbreaking books on substance abuse treatment and recovery, including "Healing the Healer" and "Positive Sobriety."

Our Team of Addiction Experts

Dr. Anish John, MD

Dr. Anish John, MD

Associate Medical Director

Kathy Bettinardi-Angres, APN, MS, RN, CADC

Kathy Bettinardi-Angres, APN, MS, RN, CADC

Director of Multidisciplinary Assessments / Family Therapist

Dominic Angres, LPC, CADC

Dominic Angres, LPC, CADC

Program Manager

Ishani Dalal, DO

Ishani Dalal, DO

Medical Director of the Continuing Care Outpatient Program

Daniel Allen Kobosky, LCSW, NCAC1

Daniel Allen Kobosky, LCSW, NCAC1

Executive Director

Gaurava Agarwal, MD

Gaurava Agarwal, MD

Leslie Frondorf, LPC, M.Ed.

Leslie Frondorf, LPC, M.Ed.

Primary Evening Outpatient Therapist

Michael Geraci, MA, LCPC

Michael Geraci, MA, LCPC

Group Therapist

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