Registry data as of Aug 27, 2026

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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982781837
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 900 Kiely Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gurpreet Ahluwalia, MDHospitalist Physician1225116890
  2. Nitin Athavale, MDDiagnostic Radiology Physician1568540144
  3. Brian Baker, MDDiagnostic Radiology Physician1689753717
  4. Robert Bammer, PHARM.D.Pharmacist1063598357
  5. James Baxter, MDHospitalist Physician1679659502
  6. John Budis, RPHPharmacist1104906916

Verify Janet Nagamine in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A54591
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

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.

  1. Qualityout of 100 · 30% of the final score73.4
  2. Costout of 100 · 30%56.3
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. 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.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

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.