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.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 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

Office Locations

Dr. Ralph Laurence Peterson has 4 locations

Macarthur Gastroenterology Inc

10520 MacArthur BlvdOakland, CA 94605
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

Wilma Chan Highland Hospital Campus

1411 E 31st StOakland, CA 94602

South Of Market Health Center

229 7th StSan Francisco, CA 94103
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

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Dr. Ralph Laurence Peterson, MD
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Dr. Ralph Laurence Peterson, MDDr. Joo HwangDr. Aparna GoelDr. John Clarke
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.4 
48 Years of Experience 29 Years of Experience 17 Years of Experience 27 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, Spanish Speaks English
Oakland , CAPalo Alto , CAPalo Alto , CAPalo Alto , CA
Med School: Howard University College Of Medicine Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by Dr. Ralph Laurence Peterson

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Ralph Laurence Peterson has the following 2 specialties

Specialty Expertise

Dr. Ralph Laurence Peterson has the following 9 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

48 Years Experience

Dr. Ralph Laurence Peterson holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Dc General Hospital.

Medical School

Graduated from Howard University College Of Medicine in 1978.

NPI Number

Dr. Peterson's NPI number is 1851311104.

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Frequently Asked Questions

How can I make an appointment with Dr. Ralph Laurence Peterson?
You can find contact information for Dr. Ralph Laurence Peterson here on Vitals.
Where is Dr. Ralph Laurence Peterson's office located?
Dr. Ralph Laurence Peterson's office is located at 10520 MacArthur Blvd, Oakland, CA, 94605.
Does Dr. Ralph Laurence Peterson accept virtual/telehealth appointments?
Dr. Ralph Laurence Peterson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Ralph Laurence Peterson accept my insurance?
You can see the insurance plans that Dr. Ralph Laurence Peterson accepts on their Vitals profile.
Is Dr. Ralph Laurence Peterson accepting new patients?
Dr. Ralph Laurence Peterson is accepting new patients on Vitals. View Dr. Ralph Laurence Peterson's profile on Vitals to make an appointment.

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