Dr. John W Roark MD Gastroenterologist

Dr. John Roark is a gastroenterologist in Berkeley, California. He is affiliated with multiple hospitals in the area, including Alta Bates Summit Medical Center and Alta Bates Summit Medical Center - Summit Campus. He received his medical degree from David Geffen School of Medicine at UCLA and has been in practice for 37 years. Dr. Roark accepts several types of health insurance, listed below. He is one of 20 doctors at Alta Bates Summit Medical Center and one of 13 at Alta Bates Summit Medical Center - Summit Campus who specialize in Gastroenterology. He also speaks multiple languages, including Spanish.

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Office Location

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Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Clinical Interests: Inflammatory bowel disease, Proctology, Inflammatory Bowel Disease and Inflammation associated cancers

Education & Medical Training

VA Greater Los Angeles Healthcare System
Residency, Internal Medicine, 1977 - 1981

UCLA Medical Center
Fellowship, Gastroenterology, 1981 - 1982

David Geffen School of Medicine at UCLA
Class of 1977

Certifications & Licensure

American Board of Pediatrics
Certified 21 years in Pediatrics

American Board of Pediatrics
Certified 8 years in Developmental-Behavioral Pediatrics

FL State Medical License
Active through 2014

Awards, Honors & Recognition

Fellow (AGAF), American Gastroenterological Association
2007

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Empire BCBS HMO
  • Empire BCBS PPO
  • First Health PPO
  • GHI PPO
  • Great West PPO
  • HIP of New York - Select PPO
  • Humana ChoiceCare Network PPO
  • MagnaCare PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • MVP Healthcare PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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