NPPES file of Aug 9, 2026

Kulbir K. Bajwa, M.D.

Internal Medicine Physician · Vacaville, CA

Kulbir K. Bajwa, M.D. is an internal medicine physician with a practice address in Vacaville, California, and NPI 1912000126, issued on Sep 6, 2006. Check the license (California C51042, 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
1912000126
Name
Kulbir K. Bajwa
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C51042 CA
Self-reported in NPPES; status is on the state search
Practice location
421 Nut Tree RD, Vacaville, CA 95687
Phone
(707) 624-7500
Enumerated
Sep 6, 2006
Record last updated
Feb 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(707) 624-7501
Medicaid ID
00C510420 CA
Medicare enrollment
Enrolled (PECOS I20100423000895); accepts Medicare assignment
Medical or professional school
College Of Physicians And Surgeons (California), 1998
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 421 Nut Tree RD

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

  1. Treesa Antony, DNP, FNP-BC, RN-BSNFamily Nurse Practitioner1003379306
  2. Mark Brown, FNP-CFamily Nurse Practitioner1346053048
  3. Mary Cargill, NPNurse Practitioner1922642784
  4. Ana Cherry, M.D.Family Medicine Physician1679656573
  5. Garth Davis, MDInternal Medicine Physician1770535692
  6. Ali Hassani, MDInternal Medicine Physician1487818373

Verify Kulbir K. Bajwa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C51042
    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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63% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,172 Medicare Part D claims for 99 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 53 claims were for opioids.

  1. Kulbir Bajwa1,172
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate76 claims
  2. Levothyroxine Sodium65 claims
  3. Omeprazole43 claims
  4. Metoprolol Succinate42 claims
  5. Simvastatin42 claims
  6. Citalopram Hbr37 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.

Industry payments in 2024: $29.18

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kulbir Bajwa$29.18
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Northbay Health Medical FoundationWinters, CA
  2. Northbay Physicians Surgery Center, LLCVacaville, CA

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

Kulbir K. Bajwa among 17,696 internal medicine physician records in California

Kulbir K. Bajwa, 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 fileYes · 63% of these records are
  • Graduated1998 · median 2004 among the 11,065 with a school on file
  • Record last updated2010 · 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).

53 internal medicine physician records list a practice address in Vacaville

They are 53 of the 1,903 NPPES records with a practice address in Vacaville, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nicolas Aguilera, M.D.Vacaville, CA 956871780876508
  2. Yuen Chen, MDVacaville, CA 956871407925605
  3. Garth Davis, MDVacaville, CA 956871770535692
  4. Thomas Erskine, M.D.Vacaville, CA 956871194732339
  5. Bethlehem Haile, M.DVacaville, CA 956871063605103
  6. Ali Hassani, MDVacaville, CA 956871487818373
  7. Aurora Haworth, M.D.Vacaville, CA 956871164684932
  8. Gurjit Kaur, MDVacaville, CA 956871922635580

Common questions

What is Kulbir K. Bajwa, M.D.'s NPI number?

Kulbir K. Bajwa, M.D.'s National Provider Identifier (NPI) is 1912000126, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kulbir K. Bajwa, M.D. located?

The NPPES record lists a practice address at 421 Nut Tree RD, Vacaville, CA, 95687. Phone: (707) 624-7500. Providers update this record themselves, so call before visiting.

How can I verify Kulbir K. Bajwa, M.D.'s license?

NPPES lists California license number C51042, 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 Kulbir K. Bajwa, M.D. prescribe under Medicare Part D?

In 2024, Kulbir K. Bajwa, M.D. had 1,172 Medicare Part D claims for 99 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.