Dr. Edward Onuma MD

Gastroenterologists in San Mateo, CA

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Dr. Onuma has been compared

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Dr. Edward Onuma specializes in gastroenterology, internal medicine in San Mateo, California.

Dr. Edward Onuma has been compared 203 times. Details of Dr. Onuma's 25 years experience as an MD and education at SUNY Downstate are available on your free doctor report.


Primary Location for Dr. Onuma

Dr. Edward Onuma
100 S Ellsworth Ave
Suite 507
San Mateo, CA 94401
Neighborhood: Downtown

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 Board Certification, Specialty and Expertise

Dr. Edward Onuma has been identified as specializing in Gastroenterology and Internal Medicine.


  • Gastroenterology
  • Internal Medicine
He is certied by The American Board of Internal Medicine for Gastroenterology and Internal Medicine.

More information available on your free report

Accepted Insurance

Insurance plans and networks accepted by a doctor are not necessarily universal across all locations at which the doctor practices. This can be affected by many factors such as different group practices, hospital affiliations and working arrangements at those locations. Checking that the doctor you are visiting and the facility they are at are in-network providers for your insurance plan can save you money and headaches later from surprise medical bills.

Dr. Edward Onuma accepts the following plans at 100 S Ellsworth Ave, San Mateo, CA

  • Blue Shield of California
  • Anthem Blue Cross
  • Unicare
  • Cigna
  • Independence Blue Cross

See additional insurance networks accepted by Dr. Onuma


Dr. Edward Onuma has been confirmed to have a license in California


Dr. Onuma attended medical school at SUNY Downstate College of Medicine and graduated in 1990 having 25 years experience.

While there is no proven correlation between the quality of one's educational institution and the quality of one's professional competence, it is often an indicator. Medical schools have various levels of selectivity (some are harder to get into than others), and both the quality of their clinical training and level of research are measured. Additional medical training in both residency and fellowships and the facilities they are conducted at also provide a history of the doctors' level of training and experience.


Patients may also know Dr. Edward Onuma MD as:

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