Expertise in
12
conditions

Dr. John B. Gubatan

Gastroenterology
Stanford University Medical Center
450 Broadway St, 
Redwood City, CA 
Offers Telehealth
Expertise in
12
conditions
Stanford University Medical Center
450 Broadway St, 
Redwood City, CA 

Overview

John Gubatan is a Gastroenterologist practicing medicine in Redwood City, California.

Dr. Gubatan is highly rated in 12 conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Gastrostomy.

He is actively involved in clinical research, co-authoring 63 peer reviewed articles.

Specialties

Gastroenterology

Licenses

Internal Medicine in CA

Hospital Affiliations

Mayo Clinic
Stanford Health Care

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

Health Plan of San Mateo
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Santa Clara Family Health Plan
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Valley Health
  • HMO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 14 Less Insurance Carriers -

Locations

Stanford University Medical Center
450 Broadway St, Redwood City, CA 94063
Other Locations
Mayo Clinic Hospital In Florida
4500 San Pablo Rd S, Jacksonville, FL 32224

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

63 Total Publications

A single-cell atlas of ulcerative colitis reveals neutrophil-stromal circuits linked to biologic therapy resistance.
A single-cell atlas of ulcerative colitis reveals neutrophil-stromal circuits linked to biologic therapy resistance.
Journal: Frontiers in immunology
Published: September 14, 2025
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Frequently Asked Questions about Dr. John B. Gubatan

How do I make an appointment with Dr. John B. Gubatan?

You can book an appointment with Dr. John B. Gubatan by calling their office at 650-723-6855. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John B. Gubatan a top-rated expert for Ulcerative Colitis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John B. Gubatan is classified as an Distinguished expert for Ulcerative Colitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John B. Gubatan specialize in?

While Dr. John B. Gubatan is a Gastroenterology, they have specific expertise in Ulcerative Colitis, Colitis, and Hemorrhagic Proctocolitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.

Does Dr. John B. Gubatan participate in research or clinical trials?

Yes. Dr. John B. Gubatan has published 63 articles and abstracts on conditions like Ulcerative Colitis. You can view a list of Dr. John B. Gubatan's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. John B. Gubatan accept my insurance?

Dr. John B. Gubatan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 650-723-6855 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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