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Dr. John W. Roark Jr, MD


  • (510) 444-3297

Dr. Roark Jr's Overview

Dr. John W. Roark Jr graduated from the University of California, Los Angeles David Geffen School of Medicine in 1977. He works in Oakland, CA and specializes in Gastroenterology and Internal Medicine. Dr. Roark Jr is affiliated with Alta Bates Summit Medical Center.

Dr. Roark Jr's Experience

Years in Practice: 38

Dr. Roark Jr's Specialties

Gastroenterology, Internal Medicine

Dr. Roark Jr's Education & Training

Medical School: University of California, Los Angeles David Geffen School of Medicine; Graduated 1977

Dr. Roark Jr's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Roark Jr's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Blue Cross CA CaliforniaCare HMO
  • Blue Cross CA PowerSelect HMO
  • Blue Cross CA Select Plus HMO
  • Blue Shield CA Basic EPO
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Dr. Roark Jr's Office Information & Appointments

Office Locations

Northern CA Gastroenterology Consultants
Northern California Gastroenterology Consultants

300 Frank H Ogawa Plz Ste 450
Oakland, CA 94612
(510) 444-3297


Office Hours and Information

Fax: (510) 444-6421

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

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Dr. Roark Jr's Hospital Affiliations

Office Locations

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