> > > > Dr. Edward Onuma, MD, PHD
Dr. Edward Kay Onuma MD and PHD is a male General Practitioner, has 20 years of experience and practices in Internal Medicine, Gastroenterology, and General Practice.
Dr. Edward Onuma has 1 office location.
100 S Ellsworth Ave
Ste 507
Downtown San Mateo, San Mateo, CA 94401

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Locations and availability (1)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Edward Onuma, MD, PHD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 4 areas:
  • Cataract
  • Diabetes
  • Flu (Human Influenza)
  • Glaucoma

Education & Awards

Dr. Onuma graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse.


Dr. Onuma has 7 hospital affiliations:

  • Mills-Peninsula Health Services 
  • San Ramon Regional Medical Center 

Accepted Insurance Plans

Dr. Onuma accepts these health insurances in at least one office:

  • United Healthcare - 1 plan
  • Blue Shield of California - 90 plans
  • Unicare - 12 plans
  • ODS Health Plans - 1 plan
  • Anthem Blue Cross - 13 plans
  • Humana - 8 plans
  • Cigna - 5 plans
  • Aetna - 3 plans


  • Japanese

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Additional Information
Where does Dr. Edward K. Onuma practice?
Dr. Edward Onuma practices Internal Medicine, Gastroenterology, and General Practice near San Mateo, CA.
See San Mateo Internists, San Mateo Gastroenterologists, and San Mateo General Practitioners.