NPPES file of Aug 9, 2026

Gurpartap Sidhu

Internal Medicine Physician · Tracy, CA

Gurpartap Sidhu is an internal medicine physician with a practice address in Tracy, California, and NPI 1821404781, issued on Jul 10, 2014. Check the license (California A170435, 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
1821404781
Name
Gurpartap Sidhu
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A170435 CA
125064843 IL
Self-reported in NPPES; status is on the state search
Practice location
445 W Eaton Ave, Tracy, CA 95376
Phone
(209) 956-6615
Enumerated
Jul 10, 2014
Record last updated
May 26, 2026
Medicare enrollment
Enrolled (PECOS I20220623002881); 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 445 W Eaton Ave

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

  1. Ahmad Ahmadzia, M.D.Hospitalist Physician1700013448
  2. Sumbella Baqai, M.D.Internal Medicine Physician1801045679
  3. Ross Caulfield, MDFamily Medicine Physician1356764518
  4. Sravya DasyamHospitalist Physician1588070056
  5. Jasdeep Dhami, M.D.Family Medicine Physician1770978579
  6. Philip Ding, MDSurgery Physician1023285400

Verify Gurpartap Sidhu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A170435
    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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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

326 Medicare Part D claims for 194 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Gurpartap Sidhu326
  2. Specialty average3,176

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf83 claims
  2. Gavilyte-G39 claims
  3. Omeprazole34 claims
  4. Pantoprazole Sodium25 claims
  5. Zenpep14 claims
  6. Gavilyte-C11 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. Sutter Valley Medical FoundationStockton, CA

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

Gurpartap Sidhu among 17,696 internal medicine physician records in California

Gurpartap Sidhu 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 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 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).

27 internal medicine physician records list a practice address in Tracy

They are 27 of the 1,864 NPPES records with a practice address in Tracy, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gautami Agastya, MDTracy, CA 953761356312516
  2. Sumbella Baqai, M.D.Tracy, CA 953761801045679
  3. Jerry Chien, MDTracy, CA 953761154391241
  4. Puneet Grewal, M.D.Tracy, CA 953761750347639
  5. Michael Hurst, DOTracy, CA 953761205893104
  6. Tabish JalalTracy, CA 953761275844375
  7. Sunil Patel, MDTracy, CA 953761730150848
  8. Babubhai Patel, M.D.Tracy, CA 953761831144948

Common questions

What is Gurpartap Sidhu's NPI number?

Gurpartap Sidhu's National Provider Identifier (NPI) is 1821404781, issued on Jul 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gurpartap Sidhu located?

The NPPES record lists a practice address at 445 W Eaton Ave, Tracy, CA, 95376. Phone: (209) 956-6615. Providers update this record themselves, so call before visiting.

How can I verify Gurpartap Sidhu's license?

NPPES lists California license number A170435, 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 Gurpartap Sidhu prescribe under Medicare Part D?

In 2024, Gurpartap Sidhu had 326 Medicare Part D claims for 194 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.