Keith A. Matsuoka, MD
Otolaryngology Physician · Hayward, CA
Keith A. Matsuoka, MD is an otolaryngology physician with a practice address in Hayward, California, and NPI 1538247309, issued on Nov 1, 2006. Check the license (California G42707, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Keith A. Matsuoka
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- G42707 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27400 Hesperian Blvd, Hayward, CA 94545
- Phone
- (510) 784-4000
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G427070 CA
- Entity
- Type 1 · individual
Also registered at 27400 Hesperian Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Keith A. Matsuoka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G42707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other otolaryngology physician records in California
- Arman Abdalkhani, MDPalo Alto, CA1356536130
- Abdul-Rahman Abdel-ReheemLos Angeles, CA1831770437
- Ahmed AbdelmeguidPalo Alto, CA1447744180
- Rami Abdou, M.D.Santa Rosa, CA1700143013
- Eric AbelloOrange, CA1922566215
- Mohamed Aboueisha, MDLos Angeles, CA1316678881
- Marianne Abouyared, M.D.Sacramento, CA1235472200
- Norton Abramson, M.D.San Clemente, CA1356488696
- Basil Adad, MDWalnut Creek, CA1487732574
- Brett Adams, MDStockton, CA1407934227
Common questions
What is Keith A. Matsuoka, MD's NPI number?
Keith A. Matsuoka, MD's National Provider Identifier (NPI) is 1538247309, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith A. Matsuoka, MD located?
The NPPES record lists a practice address at 27400 Hesperian Blvd, Hayward, CA, 94545. Phone: (510) 784-4000. Providers update this record themselves, so call before visiting.
How can I verify Keith A. Matsuoka, MD's license?
NPPES lists California license number G42707, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.