NPPES file of Aug 9, 2026

Harihar P. Agarwal, M.D.

Internal Medicine Physician · Lancaster, CA

Harihar P. Agarwal, M.D. is an internal medicine physician with a practice address in Lancaster, California, and NPI 1215964150, issued on Jun 27, 2006. Check the license (California G46246, 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
1215964150
Name
Harihar P. Agarwal
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G46246 CA
Self-reported in NPPES; status is on the state search
Practice location
1359 W Avenue J, Lancaster, CA 93534
Phone
(661) 726-5000
Enumerated
Jun 27, 2006
Record last updated
Mar 7, 2023
Fax
(661) 726-4347
Medicaid ID
00G462461 CA
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 1359 W Avenue J

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

  1. Chhaya Agarwal, M.D.Pediatrics Physician1598792459
  2. Tiffany L'Roy, APRNFamily Nurse Practitioner1083099188
  3. Kuen Lau, MSNFamily Nurse Practitioner1851849160

Verify Harihar P. Agarwal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G46246
    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

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

144 Medicare Part D claims for 62 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Harihar Agarwal144
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Amlodipine Besylate17 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.

Harihar P. Agarwal among 17,696 internal medicine physician records in California

Harihar P. Agarwal, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 internal medicine physician records list a practice address in Lancaster

They are 55 of the 4,273 NPPES records with a practice address in Lancaster, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Naili Chen, D.O., MPH, MASCLancaster, CA 935341649251661
  2. Anthony Dulgeroff, M.D.Lancaster, CA 935341720199763
  3. Antony Fung, MDLancaster, CA 935341477526846
  4. Miranda Gaw, MDLancaster, CA 935341891705885
  5. Marvin Ginsburg, M.D.Lancaster, CA 935341508976580
  6. Shahid Hassan, M.D.Lancaster, CA 935341851401988
  7. Charles Lim, M.D.Lancaster, CA 935341205947231
  8. George Mya, M.D.Lancaster, CA 935341790895936

Common questions

What is Harihar P. Agarwal, M.D.'s NPI number?

Harihar P. Agarwal, M.D.'s National Provider Identifier (NPI) is 1215964150, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Harihar P. Agarwal, M.D. located?

The NPPES record lists a practice address at 1359 W Avenue J, Lancaster, CA, 93534. Phone: (661) 726-5000. Providers update this record themselves, so call before visiting.

How can I verify Harihar P. Agarwal, M.D.'s license?

NPPES lists California license number G46246, 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 Harihar P. Agarwal, M.D. prescribe under Medicare Part D?

In 2024, Harihar P. Agarwal, M.D. had 144 Medicare Part D claims for 62 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.