EverydayHealthLogo
RP

Dr. Ralph Peterson, MD

Oakland, CA

41 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Peterson, Gastroenterologist in Oakland, CA?

    Dr. Ralph Peterson, MD is a Gastroenterologist, who primarily practices in Oakland, CA with 1 additional practice location. He has been practicing for over 41 years. Dr. Peterson graduated from Howard Univ College of Medicine and completed his residency at Dc Gen Hosp, Gastroenterology; Dc Gen Hosp, Internal Medicine. Dr. Peterson is fluent in English and Spanish, and is currently seeing new patients. Dr. Peterson’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Peterson’s office at (510) 562-7467.

    Where did Dr. Peterson go to medical school and complete their residency?

    • Residency: Dc Gen Hosp, Gastroenterology; Dc Gen Hosp, Internal Medicine | Saint Elizabeths Hospital-DC Department of Behavioral Health Program

    • Medical School: Howard Univ Coll of Med, Washington Dc | Howard Univ College of Medicine

    What languages does Dr. Peterson speak?

    Dr. Peterson and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Peterson treat?

    As a Gastroenterologist, Dr. Peterson diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Peterson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Fatty Liver Disease
    • Liver Disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NAFLD
    • NASH
    • Hepatic steatosis

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified

    Also known as:

    • Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2900: Acute gastritis without bleeding

    Also known as:

    • Chronic Hepatitis C
    • Hepatitis C
    • Long-term Hepatitis C
    • Persistent Hepatitis C
    • Hep C

    ICD-10 Codes:

    • B182: Chronic viral hepatitis C

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    What procedures does Dr. Peterson perform?

    As a Gastroenterologist, Dr. Peterson performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Peterson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Colonoscopy with Biopsy
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Flexible Sigmoidoscopy
    • Colorectal Cancer Screening Tests
    • Sigmoidoscopy
    • Lower colon exam
    • Flexible colon scope
    • Rectum and lower colon check

    CPT Codes:

    • 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Gastrostomy Tube Replacement
    • G-tube Change
    • Percutaneous Gastrostomy Tube Exchange
    • Stomach Feeding Tube Replacement

    CPT Codes:

    • 43762: Replacement of gastrostomy tube, percutaneous, includes removal, when performed, without imaging or endoscopic guidance; not requiring revision of gastrostomy tract

    Does Dr. Peterson accept my insurance?

    Dr. Peterson accepts most major insurance plans. Important: Please call our office at (510) 562-7467 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Peterson accept in Oakland, CA?

    Dr. Peterson in Oakland, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alameda Alliance

    • All Other Third Party

    • Centene

    • Crown Cork and Seal Company

    • Hill Physicians Medical Group

    • Imperial Health Plan (CA)

    • Neighborhood Health Plan (RI)

    • Other TPA

    • San Francisco Health Plan

    • State of California

    View All Insurances

    Where is Dr. Peterson's office located?

    Dr. Ralph Peterson's Primary Practice

    10520 MacArthur Blvd

    Oakland, CA 94605

    (510) 562-7467

    Get Directions

    Dr. Ralph Peterson's Practice 2

    229 7th St

    San Francisco, CA 94103

    Get Directions

    What is Dr. Peterson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Peterson's National Provider Identifier (NPI) number is 1851311104.

    What common questions do patients ask about Dr. Peterson?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Peterson

    What is Dr. Ralph Peterson's specialty?

    Dr. Peterson is a Gastroenterologist near Oakland, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Peterson to book an appointment today.

    Is this Dr. Ralph Peterson affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Peterson is affiliated with Mercy General Hospital, Alta Bates Summit Medical Center - Summit Campus which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Gastroenterologist?

    Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Ralph Peterson accepting new patients in Oakland, CA?

    Yes, Dr. Ralph Peterson is accepting new patients at this time.

    Does Dr. Ralph Peterson offer online booking?

    Please contact Dr. Peterson's office at (510) 562-7467 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ralph Peterson?

    Please contact Dr. Peterson's office at (510) 562-7467 for information regarding telehealth appointment availability or for scheduling assistance.

    Other Gastroenterologist Near Oakland, CA

    Dr. Vinod Sawhney, MD

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    San Leandro, CA
    CL

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    San Leandro, CA
    TB

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    San Leandro, CA
    See All Specialists

    Doctors by Category

    Specialists