4.5
11 Ratings with 1 written Review
Summary
Dr. Ralph Peterson is a gastroenterologist and internal medicine physician who earned his medical degree from Howard University College of Medicine and completed his residency at DC General Hospital. With 48 years of experience in practice, he brings extensive expertise to digestive health and general internal medicine care. Dr. Peterson is fluent in Spanish, Vietnamese, and English.
Dr. Peterson practices at multiple locations throughout Oakland and San Francisco, with affiliations at Wilma Chan Highland Hospital Campus, Kaiser Permanente Oakland Medical Center, and Alta Bates Summit Medical Center Summit Campus. He specializes in treating conditions such as abdominal pain, gastritis, and dyspepsia. His procedural expertise includes performing colonoscopies and lower GI endoscopy procedures, along with ordering pathology tests for comprehensive digestive health evaluation. Patients rate Dr. Peterson an average of 4.6 out of 5 stars.
Dr. Peterson practices at multiple locations throughout Oakland and San Francisco, with affiliations at Wilma Chan Highland Hospital Campus, Kaiser Permanente Oakland Medical Center, and Alta Bates Summit Medical Center Summit Campus. He specializes in treating conditions such as abdominal pain, gastritis, and dyspepsia. His procedural expertise includes performing colonoscopies and lower GI endoscopy procedures, along with ordering pathology tests for comprehensive digestive health evaluation. Patients rate Dr. Peterson an average of 4.6 out of 5 stars.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 48 years of experience
- speaks Spanish, Vietnamese, English
- Dc General Hospital
- 1 written review
- 2 specialties
- 9 areas of expertise
- 3 hospital affiliations
- 4 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Ralph Laurence Peterson has 4 locationsMacarthur Gastroenterology Inc
10520 MacArthur BlvdOakland, CA 94605 Tel: (510) 562-7467
Mon9:00 am - 3:00 pm
Tue9:00 am - 3:00 pm
Wed9:00 am - 3:00 pm
Thu9:00 am - 3:00 pm
Fri9:00 am - 3:00 pm
SatClosed
SunClosed
South Of Market Health Center
229 7th StSan Francisco, CA 94103 Tel: (415) 503-6000
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 7:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 3:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Ralph Laurence Peterson, MD | Dr. Sundeep Singh | Dr. Damanpreet Grewal | Dr. Leila Neshatian |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 48 Years of Experience | 19 Years of Experience | 17 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, Vietnamese, English | Speaks English | Speaks English | Speaks English, Spanish |
| Oakland , CA | Stanford , CA | Palo Alto , CA | Emeryville , CA |
| Med School: Howard University College Of Medicine | Med School: UNIVERSITY OF MICHIGAN MEDICAL SCHOOL | Med School: St Georges University School Of Medicine | Med School: Shahid Beheshti University Of Medical Sciences |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Ralph Laurence Peterson
Medical Specialties
Dr. Ralph Laurence Peterson has the following 2 specialties
Specialty Expertise
Dr. Ralph Laurence Peterson has the following 9 areas of expertise
Certifications, License, & Education
48 Years Experience
MEDICAL LICENSE
Medical Doctor, California, 2026, Active
EDUCATION & TRAINING
Residency
Dc General Hospital
Medical School
Howard University College Of MedicineGraduated in 1978
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Frequently Asked Questions
- How can I make an appointment with Dr. Ralph Peterson?
- You can find contact information for Dr. Ralph Peterson here on Vitals.
- Does Dr. Ralph Peterson accept virtual/telehealth appointments?
- Dr. Ralph Peterson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Ralph Peterson's office located?
- Dr. Ralph Peterson's office is located at 10520 MacArthur Blvd, Oakland, CA, 94605.
- Which hospitals is Dr. Ralph Peterson affiliated with?
- Dr. Ralph Peterson is affiliated with Wilma Chan Highland Hospital Campus, Kaiser Permanente Oakland Medical Center, and Alta Bates Summit Medical Center Summit Campus.
- What languages does Dr. Ralph Peterson speak?
- Dr. Ralph Peterson speaks Spanish, Vietnamese, and English.
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