Edward K. Onuma
Expertise in
18
conditions
Expertise in
18
conditions
100 S Ellsworth Ave, Ste 507, 
San Mateo, CA 

Overview

Edward Onuma is a Gastroenterologist in San Mateo, California. Dr. Onuma is highly rated in 18 conditions, according to our data. His top areas of expertise are Hemorrhoids, Heartburn, Portal Hypertension, Gastrectomy, and Colonoscopy. Dr. Onuma is currently accepting new patients.

Graduate Institution

Suny-Syracuse Coll. Of Medicine

Specialties

Gastroenterology

Licenses

Specialist in CA

Board Certifications

Internal Medicine (Sub: Gastroenterology)

Fellowships

Robert Wood Johnson Univ. Hosp.

Hospital Affiliations

Peninsula Medical Center

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
Alignment Health Plan
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • 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
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
Independent Health
  • EPO
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Nippon Life
  • INSURANCE PLAN
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
SCAN Health Plan
  • INSURANCE PLAN
  • MEDICARE MAPD
Sutter Health
  • HMO
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 19 Less Insurance Carriers -

Locations

Peninsula Gastrointestinal Specialists
100 S Ellsworth Ave, Ste 507, San Mateo, CA 94401

Additional Areas of Focus

Dr. Onuma 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)
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Frequently Asked Questions about Dr. Edward K. Onuma

How do I make an appointment with Dr. Edward K. Onuma?

You can book an appointment with Dr. Edward K. Onuma by calling their office at 650-342-7432. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Edward K. Onuma a top-rated expert for Hemorrhoids?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Edward K. Onuma is classified as an Distinguished expert for Hemorrhoids, 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. Edward K. Onuma specialize in?

While Dr. Edward K. Onuma is a Gastroenterology, they have specific expertise in Hemorrhoids, Heartburn, and Portal Hypertension. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.

Does Dr. Edward K. Onuma accept my insurance?

Dr. Edward K. Onuma accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 650-342-7432 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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