Registry data as of Aug 27, 2026

Samir Nanjapa, DDS, MS

Prosthodontics · San Mateo, CA

Samir Nanjapa, DDS, MS is a prosthodontics with a practice address in San Mateo, California, and NPI 1558430207, issued on Nov 7, 2006. Check the license (California 55840, as entered in NPPES) with the California board that licenses this profession; 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
1558430207
Name
Samir Nanjapa
Credential
DDS, MS
Primary taxonomy
Prosthodontics 1223P0700X
License numbers
55840 CA
019026323 IL
Self-reported in NPPES; status is on the state search
Practice location
1528 S EL Camino Real, San Mateo, CA 94402
Phone
(650) 477-6920
Enumerated
Nov 7, 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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Verify Samir Nanjapa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 55840
    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
Find 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 →

70% fewer Medicare Part D claims than the average prosthodontics in 2024

27 Medicare Part D claims for 23 beneficiaries, against an average of 90 among the 1,620 providers of this specialty who prescribed in Part D.

  1. Samir Nanjapa27
  2. Specialty average90

Most prescribed

  1. Amoxicillin15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $14.65

1 payment, mostly food and beverage; the largest payer was Dentsply Sirona Inc. The 1,268 providers of this specialty with any payment received $3,722.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samir Nanjapa$14.65
  2. Specialty average$3,722.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Prosthodontics providers in California

There are 442 prosthodontics records in California.

Other prosthodontics records in California

  1. Siamak Abai, D.D.S., M.MED.SC.Tustin, CA1699923375
  2. Tamer Abdel-Azim, DDSSan Francisco, CA1417263286
  3. Tarek Abdelhalim, DDS,MSC,FACPBeverly Hills, CA1922390079
  4. Abier Abdulwahab, DDSGardena, CA1083089668
  5. Loris Abedi, D.D.S.Glendale, CA1780834309
  6. Rishabh Acharya, BDS, MDSSan Francisco, CA1780239954
  7. Scott Adishian, D.D.S.Pasadena, CA1568553444
  8. Tae Jun Ahn, DDSTorrance, CA1558566943
  9. Ian Aires, DDSLa Jolla, CA1770639882
  10. Marc Alexander, BSC, DDSSanta Barbara, CA1275744807

Common questions

What is Samir Nanjapa, DDS, MS's NPI number?

Samir Nanjapa, DDS, MS's National Provider Identifier (NPI) is 1558430207, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samir Nanjapa, DDS, MS located?

The NPPES record lists a practice address at 1528 S EL Camino Real, San Mateo, CA, 94402. Phone: (650) 477-6920. Providers update this record themselves, so call before visiting.

How can I verify Samir Nanjapa, DDS, MS's license?

NPPES lists California license number 55840, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Samir Nanjapa, DDS, MS prescribe under Medicare Part D?

In 2024, Samir Nanjapa, DDS, MS had 27 Medicare Part D claims for 23 beneficiaries; the average among prosthodontics prescribers was 90. Part D covers Medicare prescriptions only.

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.