NPPES file of Aug 9, 2026

Mamatha M. Gupta, M.D.

Nephrology Physician · Mather, CA

Mamatha M. Gupta, M.D. is a nephrology physician with a practice address in Mather, California, and NPI 1376760900, issued on Apr 18, 2007. Check the license 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
1376760900
Name
Mamatha M. Gupta
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
36665 AZ
Self-reported in NPPES; status is on the state search
Practice location
10535 Hospital Way, Mather, CA 95655
Phone
(916) 843-7000
Enumerated
Apr 18, 2007
Record last updated
Jan 10, 2022
Medicaid ID
222566 AZ
Medicare enrollment
Enrolled (PECOS I20150526000759); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10535 Hospital Way

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

  1. Stephen Aglubat, M.D.Internal Medicine Physician1497070031
  2. Aliya Akbar, M.D.Family Medicine Physician1467454934
  3. Anthony Albanese, M.D.Addiction Medicine (Internal Medicine) Physician1215910187
  4. Sarah AliPharmacist1851871503
  5. Shelby Alley, DPMFoot & Ankle Surgery Podiatrist1588928790
  6. Chibuzo Anyama, APRN PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1841059912

Verify Mamatha M. Gupta in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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2.9 times the Medicare Part D claims of the average nephrology physician in 2024

4,260 Medicare Part D claims for 468 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 29 claims were for opioids.

  1. Mamatha Gupta4,260
  2. Specialty average1,465

Most prescribed

  1. Atorvastatin Calcium468 claims
  2. Lisinopril215 claims
  3. Amlodipine Besylate208 claims
  4. Losartan Potassium208 claims
  5. Levothyroxine Sodium196 claims
  6. Atenolol148 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncStockton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mamatha M. Gupta among 1,468 nephrology physician records in California

Mamatha M. 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 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 35% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2000 · median 2001 among the 1,128 with a school on file
  • Record last updated2022 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Pratik Shah, MDMather, CA 956551386964096
  2. Adarsh Bhat, M.D.Roseville, CA 956611861443228
  3. Don Chang, M.D.Roseville, CA 956611619101805
  4. Lana Gafter, M.D.Roseville, CA 956611376529552
  5. Piper Hughes, M.D.Roseville, CA 956611750647285
  6. Donald Klug, M.D.Roseville, CA 956611811923568
  7. Monika Patel, DORoseville, CA 956611700061017
  8. Jennifer Pettigrew, MDRoseville, CA 956611922115088

Common questions

What is Mamatha M. Gupta, M.D.'s NPI number?

Mamatha M. Gupta, M.D.'s National Provider Identifier (NPI) is 1376760900, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mamatha M. Gupta, M.D. located?

The NPPES record lists a practice address at 10535 Hospital Way, Mather, CA, 95655. Phone: (916) 843-7000. Providers update this record themselves, so call before visiting.

How can I verify Mamatha M. Gupta, M.D.'s license?

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 Mamatha M. Gupta, M.D. prescribe under Medicare Part D?

In 2024, Mamatha M. Gupta, M.D. had 4,260 Medicare Part D claims for 468 beneficiaries; 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.