Dr. Richard J. Cassidy MD Internist

Dr. Richard Cassidy is an internist in Deerfield, Illinois. He received his medical degree from Drexel University College of Medicine and has been in practice for 30 years.

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Office Location

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Specialty & Clinical Interests

Internist: Addiction Medicine

Education & Medical Training

Geisinger Health System
Residency, Internal Medicine, 1984–1987

Drexel University College of Medicine
Class of 1984

Certifications & Licensure

American Board of Family Medicine
Certified 25 years in Family Medicine

IN State Medical License
Active through 2013

ME State Medical License
Active through 2013

ND State Medical License
Active through 2013


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