Expertise in
11
conditions

Dr. William V. Hahn

Gastroenterology
317 West Pueblo Street, 
Santa Barbara, CA 
Accepting New Patients
Offers Telehealth
Referral may be required
Before you request
Expertise in
11
conditions
317 West Pueblo Street, 
Santa Barbara, CA 

Overview

William Hahn is a Gastroenterologist practicing medicine in Santa Barbara, California.

Dr. Hahn is highly rated in 11 conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Lymphocytic Colitis, Diverticular Disease, Gastrectomy, and Endoscopy.

He is actively involved in clinical research, co-authoring 1 peer reviewed article. Dr. Hahn is currently accepting new patients.

Specialties

Gastroenterology

Licenses

Internal Medicine in CA

Hospital Affiliations

Santa Barbara Cottage Hospital
Goleta Valley Cottage Hospital

Languages Spoken

English

Gender

Male

Insurance

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

Find your insurance
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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
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Group Health Cooperative
  • HMO
  • POS
  • 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.

Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Sutter Health
  • HMO
  • OTHER COMMERCIAL
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 12 Less Insurance Carriers -

Locations

Sansum Clinic Pueblo Multi-Specialty Clinic
317 West Pueblo Street, Santa Barbara, CA 93105

Additional Areas of Focus

Dr. Hahn has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)

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.

1 Total Publications

Controlling Nb(IV) Defects in SrNbO2N Oxygen Evolution Photocatalyst by Ammonolysis With Dinitrogen-Ammonia Mixtures.
Controlling Nb(IV) Defects in SrNbO2N Oxygen Evolution Photocatalyst by Ammonolysis With Dinitrogen-Ammonia Mixtures.
Journal: ChemSusChem
Published: December 03, 2025
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805-681-7500
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Frequently Asked Questions about Dr. William V. Hahn

How do I make an appointment with Dr. William V. Hahn?

You can book an appointment with Dr. William V. Hahn by calling their office at 805-681-7500. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. William V. Hahn a top-rated expert for Familial Adenomatous Polyposis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. William V. Hahn is classified as an Advanced expert for Familial Adenomatous Polyposis, 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. William V. Hahn specialize in?

While Dr. William V. Hahn is a Gastroenterology, they have specific expertise in Familial Adenomatous Polyposis, Lymphocytic Colitis, and Diverticular Disease. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.

Does Dr. William V. Hahn participate in research or clinical trials?

Yes. Dr. William V. Hahn has published 1 articles and abstracts on conditions like Familial Adenomatous Polyposis. You can view a list of Dr. William V. Hahn's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. William V. Hahn accept my insurance?

Dr. William V. Hahn accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 805-681-7500 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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