NPPES file of Aug 9, 2026

Anupam Chahal, MD

Rheumatology Physician · Manteca, CA

Anupam Chahal, MD is a rheumatology physician with a practice address in Manteca, California, and NPI 1972780146, issued on Jan 30, 2008. Check the license (California A121284, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972780146
Name
Anupam Chahal
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
A121284 CA
P22025 MD
Self-reported in NPPES; status is on the state search
Practice location
1079 Eucalyptus St, Manteca, CA 95337
Phone
(209) 284-4561
Enumerated
Jan 30, 2008
Record last updated
Apr 15, 2025
Fax
(209) 284-4562
Medicare enrollment
Enrolled (PECOS I20120907000044); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1079 Eucalyptus St

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

  1. Douglas Wesson, ACAHearing Instrument Specialist1750313359

Verify Anupam Chahal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121284
    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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96% more Medicare Part D claims than the average rheumatology physician in 2024

3,875 Medicare Part D claims for 554 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Anupam Chahal3,875
  2. Specialty average1,978

Most prescribed

  1. Prednisone1,003 claims
  2. Hydroxychloroquine Sulfate828 claims
  3. Methotrexate567 claims
  4. Gabapentin188 claims
  5. Leflunomide105 claims
  6. Allopurinol83 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,240.54

154 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anupam Chahal$3,240.54
  2. Specialty average$8,538.33

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

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California.

Other rheumatology physician records in California

  1. Khurram Abbass, MDSan Jose, CA1154455178
  2. Mai Abdelnabi, MDSan Francisco, CA1013394980
  3. Brian Abe, MD, PHDStanford, CA1104262708
  4. Thomas Abel, MDMonte Sereno, CA1871679399
  5. Feruza AbraamyanRoseville, CA1124769278
  6. Thomas Adamson, M.D.San Diego, CA1639187057
  7. Sana Afroz, MDMoreno Valley, CA1356724074
  8. Ishita Aggarwal, MDSan Francisco, CA1518385699
  9. Atul Agrawal, MDAntioch, CA1528146016
  10. Bikramjit Ahluwalia, MDApple Valley, CA1669402467

Common questions

What is Anupam Chahal, MD's NPI number?

Anupam Chahal, MD's National Provider Identifier (NPI) is 1972780146, issued on Jan 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Anupam Chahal, MD located?

The NPPES record lists a practice address at 1079 Eucalyptus St, Manteca, CA, 95337. Phone: (209) 284-4561. Providers update this record themselves, so call before visiting.

How can I verify Anupam Chahal, MD's license?

NPPES lists California license number A121284, 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 Anupam Chahal, MD prescribe under Medicare Part D?

In 2024, Anupam Chahal, MD had 3,875 Medicare Part D claims for 554 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Anupam Chahal, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.