Janet Nagamine, MD
Internal Medicine Physician · Santa Clara, CA
Janet Nagamine, MD is an internal medicine physician with a practice address in Santa Clara, California, and NPI 1982781837, issued on Oct 31, 2006. Check the license (California A54591, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janet Nagamine
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A54591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Kiely Blvd, Santa Clara, CA 95051
- Phone
- (408) 236-6400
- Enumerated
- Oct 31, 2006
- Entity
- Type 1 · individual
Also registered at 900 Kiely Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janet Nagamine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 85.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Pajaro Valley Health Care DistrictWatsonville, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
141 internal medicine physician records list a Santa Clara practice address
They are 141 of the 3,436 NPPES records with a Santa Clara practice address, and 20,403 internal medicine physician records in California.
All 141 in Santa Clara → All 20,403 in California → Every provider in Santa Clara →
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Common questions
What is Janet Nagamine, MD's NPI number?
Janet Nagamine, MD's National Provider Identifier (NPI) is 1982781837, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet Nagamine, MD located?
The NPPES record lists a practice address at 900 Kiely Blvd, Santa Clara, CA, 95051. Phone: (408) 236-6400. Providers update this record themselves, so call before visiting.
How can I verify Janet Nagamine, MD's license?
NPPES lists California license number A54591, 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.
What is Janet Nagamine, MD's Medicare quality score?
The 2023 MIPS final score is 85.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.