Ajay Gupta, M.D.
Nephrology Physician · Torrance, CA
Ajay Gupta, M.D. is a nephrology physician with a practice address in Torrance, California, and NPI 1477529279, issued on Feb 23, 2006. Check the license (California C50579, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ajay Gupta
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- C50579 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21840 Normandie Ave, Torrance, CA 90502
- Phone
- (310) 222-5015
- Enumerated
- Feb 23, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (310) 328-1415
- Medicaid ID
- 00C505790 CA
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 21840 Normandie Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sudhir Anand, M.D.Pediatric Nephrology Physician1750360426
- Thomas Anderson, MDNeurology Physician1750304234
- Morris Asch, M.D.Pediatric Surgery Physician1619957784
- Lilly Barba, M.D.Nephrology Physician1407835978
- Peter Barrett, M.D.Internal Medicine Physician1568441954
- Barry Baylen, M.D.Pediatric Cardiology Physician1346229879
Verify Ajay Gupta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C50579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
13 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Ajay Gupta among 1,468 nephrology physician records in California
Ajay Gupta, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Torrance → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Sharon Adler, M.D.Torrance, CA 905021467431122
- Lilly Barba, M.D.Torrance, CA 905021407835978
- Akshay Bommireddi, MDTorrance, CA 905021861091316
- Zar Chan, M.DTorrance, CA 905021417243890
- Duke Chang, MDTorrance, CA 905021235290669
- Tiane Dai, MDTorrance, CA 905021457643751
- Raimund Hirschberg, M.D.Torrance, CA 905021457362634
- Devon KentTorrance, CA 905021740921568
Common questions
What is Ajay Gupta, M.D.'s NPI number?
Ajay Gupta, M.D.'s National Provider Identifier (NPI) is 1477529279, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ajay Gupta, M.D. located?
The NPPES record lists a practice address at 21840 Normandie Ave, Torrance, CA, 90502. Phone: (310) 222-5015. Providers update this record themselves, so call before visiting.
How can I verify Ajay Gupta, M.D.'s license?
NPPES lists California license number C50579, 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 Ajay Gupta, M.D. prescribe under Medicare Part D?
In 2024, Ajay Gupta, M.D. had 13 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.