NPPES file of Aug 9, 2026

Stanley Yu, MD

Gastroenterology Physician · Fremont, CA

Stanley Yu, MD is a gastroenterology physician with a practice address in Fremont, California, and NPI 1184763112, issued on Feb 6, 2007. Check the license (California A88044, 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
1184763112
Name
Stanley Yu
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
A88044 CA
2005-0431 NM
Self-reported in NPPES; status is on the state search
Practice location
3200 Kearney St, Fremont, CA 94538
Phone
(510) 490-1222
Enumerated
Feb 6, 2007
Record last updated
May 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090129000522); accepts Medicare assignment
Medical or professional school
Chicago College Of Medicine And Surgery, 2002
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 3200 Kearney St

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

  1. Jia Afnan, PAPhysician Assistant1376763698
  2. Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
  3. Neha AnandFamily Medicine Physician1477810836
  4. Lauren Auerbach, MDEmergency Medicine Physician1033678990
  5. Ritika Aulakh, D.OFamily Medicine Physician1346335072
  6. Rupal Badani, M.D.Pediatrics Physician1598857765

Verify Stanley Yu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88044
    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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48% fewer Medicare Part D claims than the average gastroenterology physician in 2024

420 Medicare Part D claims for 192 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Stanley Yu420
  2. Specialty average811

Most prescribed

  1. Omeprazole116 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf111 claims
  3. Pantoprazole Sodium30 claims
  4. Stelara19 claims
  5. Creon18 claims
  6. Famotidine17 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 Bay Medical FoundationFremont, CA

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

Stanley Yu among 2,140 gastroenterology physician records in California

Stanley Yu, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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, 37% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2002 · median 2002 among the 1,538 with a school on file
  • Record last updated2020 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Gayatri Bharadhwaj, MDFremont, CA 945381851476519
  2. Luke Bi, MDFremont, CA 945381700964202
  3. Mary Hu, M.D.Fremont, CA 945381659339059
  4. Shakir Hyder, M.D.Fremont, CA 945381316024508
  5. Ritesh Jha, M.D.Fremont, CA 945381972684645
  6. Yagya Kapila, MDFremont, CA 945381801955026
  7. Andrew Lu, M.D.Fremont, CA 945381912197393
  8. Anmol Mahal, M.D.Fremont, CA 945381609931526

Common questions

What is Stanley Yu, MD's NPI number?

Stanley Yu, MD's National Provider Identifier (NPI) is 1184763112, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stanley Yu, MD located?

The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 490-1222. Providers update this record themselves, so call before visiting.

How can I verify Stanley Yu, MD's license?

NPPES lists California license number A88044, 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 Stanley Yu, MD prescribe under Medicare Part D?

In 2024, Stanley Yu, MD had 420 Medicare Part D claims for 192 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.