Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. David Masao Hirota, MD

Individual provider Internal Medicine Physician · NPI 1699735191

Dr. David Masao Hirota, MD is an Internal Medicine Physician in Ontario, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3401 Centre Lake Dr Ste 512
Ontario, CA 91761-1201
Phone: (909) 566-0445
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2699 Atlantic Ave, Long Beach, CA 90806-2710 — (562) 426-3333

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A065105 (CA)

Record details

NPI number1699735191
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESOctober 24, 2019

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