NPPES file of Aug 9, 2026

Manjeet Singh, M.D.

Internal Medicine Physician · Pleasanton, CA

Manjeet Singh, M.D. is an internal medicine physician with a practice address in Pleasanton, California, and NPI 1134395775, issued on May 4, 2008. 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
1134395775
Name
Manjeet Singh
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD441434 PA
Self-reported in NPPES; status is on the state search
Practice location
4361 Railroad Ave, Pleasanton, CA 94566
Phone
(925) 462-1755
Enumerated
May 4, 2008
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
1025345450001 PA
Medicare enrollment
Enrolled (PECOS I20170206000189); 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 4361 Railroad Ave

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

  1. :holly Akli, LCSWClinical Social Worker1063517498
  2. Jody AllenAddiction (Substance Use Disorder) Counselor1891026571
  3. Kathy Armani, RDNRegistered Dietitian1376867341
  4. Victoria Baptiste, PH.D.Clinical Psychologist1306390893
  5. Heather Cusumano, B.S.Marriage & Family Therapist1235428913
  6. Anne DejesusMarriage & Family Therapist1417240813

Verify Manjeet Singh 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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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

462 Medicare Part D claims for 179 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Manjeet Singh462
  2. Specialty average3,176

Most prescribed

  1. Cefpodoxime Proxetil31 claims
  2. Furosemide27 claims
  3. Doxycycline Monohydrate20 claims
  4. Amoxicillin-Clavulanate Potass18 claims
  5. Atorvastatin Calcium16 claims
  6. Prednisone15 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 IncWalnut Creek, CA

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

Manjeet Singh among 17,696 internal medicine physician records in California

Manjeet Singh, 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 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).

57 internal medicine physician records list a practice address in Pleasanton

They are 57 of the 2,213 NPPES records with a practice address in Pleasanton, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kevin Hart, M.D.Pleasanton, CA 945661285783746
  2. Donna Kwong, M.D.Pleasanton, CA 945661760419386
  3. Bonnie Rathjen, M.D.Pleasanton, CA 945661952331852
  4. Donald Rice, M.D.Pleasanton, CA 945661093775157
  5. Pacita Aducayen, M.D.Pittsburg, CA 945651851307219
  6. Galicano Andal, M.D.Pittsburg, CA 945651437263571
  7. Kate Christensen, MDPittsburg, CA 945651356427884
  8. John Gallo, DOPittsburg, CA 945651558446229

Common questions

What is Manjeet Singh, M.D.'s NPI number?

Manjeet Singh, M.D.'s National Provider Identifier (NPI) is 1134395775, issued on May 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Manjeet Singh, M.D. located?

The NPPES record lists a practice address at 4361 Railroad Ave, Pleasanton, CA, 94566. Phone: (925) 462-1755. Providers update this record themselves, so call before visiting.

How can I verify Manjeet Singh, 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 Manjeet Singh, M.D. prescribe under Medicare Part D?

In 2024, Manjeet Singh, M.D. had 462 Medicare Part D claims for 179 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.