EverydayHealthLogo
JG

Dr. John Mark Gubatan, MD

Stanford, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gubatan, Gastroenterologist in Stanford, CA?

    Dr. John Mark Gubatan, MD is a Gastroenterologist, who primarily practices in Stanford, CA with 1 additional practice location. He is board certified. Dr. Gubatan graduated from Harvard Medical School, Boston, Massachusetts. Dr. Gubatan is fluent in English, French, Spanish, and Tagalog, and is currently seeing new patients. Dr. Gubatan’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gubatan’s office at (650) 723-4000.

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

    • Medical School: Harvard Medical School, Boston, Massachusetts

    What languages does Dr. Gubatan speak?

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

    • English

    • French

    • Spanish

    • Tagalog

    What conditions does Dr. Gubatan treat?

    As a Gastroenterologist, Dr. Gubatan 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. Gubatan. 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:

    • Crohn's Disease Affecting Small and Large Intestines
    • Crohn's Disease of the Large Intestine
    • Crohn's Disease of the Small Intestine
    • Crohn's Disease with Fistula
    • Crohn's Disease
    • Crohn’s Disease
    • Fistulas
    • Complicated Crohn's Disease', 'Inflammatory Bowel Disease (IBD) with Complications', 'Panenteric Crohn's with Complications
    • Panenteric Crohn's Disease
    • Crohn's of Both Bowels', 'Generalized Crohn's Disease
    • Large Bowel Crohn's
    • Crohn's Colitis', 'Colonic Crohn's Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Ileitis
    • Crohn's Disease with Abnormal Connection', 'Inflammatory Bowel Disease (IBD) with Fistula', 'Panenteric Crohn's with Fistula
    • Crohn's Colitis with Complications', 'Complicated Large Bowel Crohn's
    • Terminal Ileitis

    ICD-10 Codes:

    • K50819: Crohn's disease of both small and large intestine with unspecified complications
    • K5080: Crohn's disease of both small and large intestine without complications
    • K5010: Crohn's disease of large intestine without complications
    • K5000: Crohn's disease of small intestine without complications
    • K50813: Crohn's disease of both small and large intestine with fistula
    • K50119: Crohn's disease of large intestine with unspecified complications
    • K5090: Crohn's disease, unspecified, without complications

    Also known as:

    • Ulcerative Pancolitis
    • Ulcerative Proctitis
    • Ulcerative Colitis
    • Ulcerative Rectosigmoiditis
    • Chronic Pancolitis
    • Extensive Ulcerative Colitis
    • Inflammatory Bowel Disease (IBD)
    • Chronic Pancolitis with Complications
    • Extensive Ulcerative Colitis with Complications
    • Inflammatory Bowel Disease (IBD) with Complications
    • Chronic Proctitis
    • Rectal Inflammation
    • Inflammation of the Rectum
    • Colitis
    • Chronic Colitis
    • Chronic Rectosigmoiditis
    • Inflammation of Rectum and Sigmoid Colon
    • Distal Colitis

    ICD-10 Codes:

    • K5100: Ulcerative (chronic) pancolitis without complications
    • K51019: Ulcerative (chronic) pancolitis with unspecified complications
    • K5120: Ulcerative (chronic) proctitis without complications
    • K5190: Ulcerative colitis, unspecified, without complications
    • K5130: Ulcerative (chronic) rectosigmoiditis without complications
    • K5150: Left sided colitis without complications

    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

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K921: Melena
    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Does Dr. Gubatan accept my insurance?

    Dr. Gubatan accepts most major insurance plans. Important: Please call our office at (650) 723-4000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gubatan accept in Stanford, CA?

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

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • Central California Alliance for Health

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Medicaid

    • Medicare

    • Santa Clara Family Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Gubatan's office located?

    Dr. John Mark Gubatan's Primary Practice

    300 Pasteur Dr

    Stanford, CA 94305

    (650) 723-4000

    Get Directions

    Dr. John Mark Gubatan's Practice 2

    4500 San Pablo Rd S

    Jacksonville, FL 32224

    Get Directions

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

    Dr. Gubatan's National Provider Identifier (NPI) number is 1215340674.

    What common questions do patients ask about Dr. Gubatan?

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

    What is Dr. John Mark Gubatan's specialty?

    Dr. Gubatan is a Gastroenterologist near Stanford, 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. Gubatan to book an appointment today.

    Is this Dr. John Mark Gubatan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gubatan is affiliated with Stanford Health Care - Stanford Hospital which is a Castle Connolly Top Hospital. 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 John Mark Gubatan accepting new patients in Stanford, CA?

    Yes, Dr. John Mark Gubatan is accepting new patients at this time.

    Does Dr. John Mark Gubatan offer online booking?

    Please contact Dr. Gubatan's office at (650) 723-4000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Mark Gubatan?

    Please contact Dr. Gubatan's office at (650) 723-4000 for information regarding telehealth appointment availability or for scheduling assistance.

    Other Gastroenterologist Near Stanford, CA

    GB

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    Stanford, CA
    MZ

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    Stanford, CA
    AL

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    Stanford, CA
    See All Specialists

    Doctors by Category

    Specialists