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
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
300 Pasteur Dr, Stanford, CA 94305
5725 W Las Positas Blvd Ste 100, Pleasanton,, CA 94588
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.
Office
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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 participate in research or clinical trials?
Yes. Dr. John Gahagan has published 14 articles and abstracts on conditions like Familial Colorectal Cancer. You can view a list of Dr. John Gahagan's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
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
- Advanced
- Anal FissureDr. Gahagan isAdvanced. Learn about Anal Fissure.
- Familial Colorectal CancerDr. Gahagan isAdvanced. Learn about Familial Colorectal Cancer.
- HemorrhoidsDr. Gahagan isAdvanced. Learn about Hemorrhoids.
- Mesenteric Venous ThrombosisDr. Gahagan isAdvanced. Learn about Mesenteric Venous Thrombosis.
- Ogilvie SyndromeDr. Gahagan isAdvanced. Learn about Ogilvie Syndrome.
- ProctitisDr. Gahagan isAdvanced. Learn about Proctitis.
- Experienced
- Acrogeria, Gottron TypeDr. Gahagan isExperienced. Learn about Acrogeria, Gottron Type.
- Acute PancreatitisDr. Gahagan isExperienced. Learn about Acute Pancreatitis.
- Anal CancerDr. Gahagan isExperienced. Learn about Anal Cancer.
- Anorectal AbscessDr. Gahagan isExperienced. Learn about Anorectal Abscess.
- Bazex SyndromeDr. Gahagan isExperienced. Learn about Bazex Syndrome.
- Bile Duct StrictureDr. Gahagan isExperienced. Learn about Bile Duct Stricture.