Dr. Ralph Peterson
- Gender: Male
- Experience: 43 years
- Graduated from: Howard University College Of Medicine
- Graduation year: 1978
- Sole propriator: Yes
- NPI: 1851311104
Dr. Ralph Peterson MD
Gastroenterologist
He is located at 10520 Macarthur Boulevard in Oakland, CA 94605. Can help patients with the following: Asthma, Bleeding Varices, Hyperlipidemia, Intussusception, Liver Disease, Portal Hypertension. His National Provider Identifier (NPI) number is 1851311104. Appointment can be made via the phone number (510) 562-7467. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Ralph Peterson, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Ralph Peterson.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Ralph Peterson
Insurances Accepted by Dr. Ralph Peterson
- Medicare
Medicare Enrollment
Dr. Ralph Peterson is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- OAKLAND, CA, 94605-5248
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Gilead Sciences | $22901 |
| Gilead Sciences Inc. | $7880 |
| AbbVie | $5410 |
Other
| Consulting | $16500 |
| Other | $8500 |
| Food and Beverage | $7914 |
| Travel and Lodging | $5642 |
Studies
HOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated in 1978Additional Specialities
- Internist
Sanctions
| Date | Description | Board |
|---|---|---|
| 01/17/2014 | Public Reprimand | Medical Board of California |
| 10/17/2011 | Accusation Filed | Medical Board of California |
Looking for more Gastroenterologists?
Here are gastroenterologists in California you may want to explore.
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- Gender: Female
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- Address: 15899 Los Gatos Almaden Road Suite 11 Los Gatos, 95032, CA
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- Address: 3350 LA Jolla Village Drive San Diego, 92161, CA
- Gender: Male
- Address: Suite 202 520 South Virgil Avenue Los Angeles, 90020, CA
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- Address: Suite A 2241 Wankel Way Oxnard, 93030, CA
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- Address: 3401 Engineer Lane Seaside, 93955, CA
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- Address: Suite 102 9802 Stockdale Highway Bakersfield, 93311, CA
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- Address: Suite 104 19845 Lake Chabot Road Castro Valley, 94546, CA
- Gender: Female
- Address: 9961 Sierra Avenue Fontana, 92335, CA
Questions & Answers
Does Dr. Ralph Peterson have affiliation with practices?
Dr. Ralph Peterson is affiliated with Macarthur Gastroenterology.
Where can you meet with Dr. Ralph Peterson?
Dr. Ralph Peterson's office is located at 10520 Macarthur Boulevard in Oakland, CA 94605.
Does Dr. Ralph Peterson accept patients with Medicare?
Yes, Dr. Ralph Peterson accepts patients with Medicare.
Has Dr. Ralph Peterson affiliation with hospitals?
Dr. Ralph Peterson is affiliated with SAN FRANCISCO GENERAL HOSPITAL.
What conditions does Dr. Ralph Peterson treat?
Dr. Ralph Peterson provides treatment for Asthma, Bleeding Varices, Hyperlipidemia, Intussusception, Liver Disease, Portal Hypertension. For the full list see this list.