Expertise in
7
conditions
Expertise in
7
conditions
Stanford Hospital And Clinics
300 Pasteur Dr, 
Stanford, CA 

Overview

John Gahagan is a General Surgeon practicing medicine in Stanford, California.

Dr. Gahagan is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Anal Fissure, Proctitis, Ileostomy, and Gallbladder Removal.

He is actively involved in clinical research, co-authoring 14 peer reviewed articles.

Specialties

General Surgery

Licenses

Surgery in CA

Hospital Affiliations

Stanford Health Care Tri-Valley
Stanford Health Care

Languages Spoken

English

Gender

Male

Insurance

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

Find your insurance
Find your insuranceClose

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
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
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 5 Less Insurance Carriers -

Locations

Stanford Hospital and Clinics
300 Pasteur Dr, Stanford, CA 94305
Other Locations
Valley Medical Oncology Consultants
5725 W Las Positas Blvd Ste 100, Pleasanton,, CA 94588

Frequently Asked Questions about Dr. John Gahagan

How do I make an appointment with Dr. John Gahagan?

You can book an appointment with Dr. John Gahagan by calling their office at 650-736-1270. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John Gahagan a top-rated expert for Familial Colorectal Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Gahagan is classified as an Advanced expert for Familial Colorectal Cancer, 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 Gahagan specialize in?

While Dr. John Gahagan is a General Surgery, they have specific expertise in Familial Colorectal Cancer, Anal Fissure, and Proctitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within General Surgery.

Does Dr. John Gahagan accept my insurance?

Dr. John Gahagan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 650-736-1270 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

Find Dr. Gahagan's expertise for a condition
ConditionClose
      View All 7 Advanced Conditions
      View All 44 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile