NPPES file of Aug 9, 2026

Tara Kantharaj, M.D.

Family Medicine Physician · San Francisco, CA

Tara Kantharaj, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1033552401, issued on Apr 16, 2013. Check the license (California A142495, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033552401
Name
Tara Kantharaj
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A142495 CA
Self-reported in NPPES; status is on the state search
Practice location
1823 Union St, San Francisco, CA 94123
Phone
(415) 590-6148
Enumerated
Apr 16, 2013
Record last updated
Apr 4, 2019 (not updated in 7 years: call before relying on the address or phone)
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 1823 Union St

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

  1. Victoria Fung, PAPhysician Assistant1700522539
  2. Darenie Goodman, MDFamily Medicine Physician1295992527
  3. Vanessa Hashim, MSPAPhysician Assistant1245781335
  4. Melinda Kong, M.D.Family Medicine Physician1306296348
  5. William Lu, MDSleep Medicine (Family Medicine) Physician1528486297
  6. Paula Molina, PA-CPhysician Assistant1912377177

Verify Tara Kantharaj in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A142495
    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.

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

19 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Tara Kantharaj19
  2. Specialty average3,544

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.

Tara Kantharaj among 17,133 family medicine physician records in California

Tara Kantharaj, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Darenie Goodman, MDSan Francisco, CA 941231295992527
  2. Melinda Kong, M.D.San Francisco, CA 941231306296348
  3. Parivash Sanders, D.O.San Francisco, CA 941231801245386
  4. Eric Walsh, M.D.San Francisco, CA 941231588689715
  5. Jason Wertheimer, D.O.San Francisco, CA 941231154855922
  6. Xi Chen, MDSan Francisco, CA 941221902434970
  7. Frank Chen, M.D.San Francisco, CA 941221104010586
  8. Maksura Chowdhury, M.D.San Francisco, CA 941221831831197

Common questions

What is Tara Kantharaj, M.D.'s NPI number?

Tara Kantharaj, M.D.'s National Provider Identifier (NPI) is 1033552401, issued on Apr 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Tara Kantharaj, M.D. located?

The NPPES record lists a practice address at 1823 Union St, San Francisco, CA, 94123. Phone: (415) 590-6148. Providers update this record themselves, so call before visiting.

How can I verify Tara Kantharaj, M.D.'s license?

NPPES lists California license number A142495, 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.

How much does Tara Kantharaj, M.D. prescribe under Medicare Part D?

In 2024, Tara Kantharaj, M.D. had 19 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

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.