NPPES file of Aug 9, 2026

Alan Shou-Ren Wei, M.D

Specialist · Pittsburg, CA

Alan Shou-Ren Wei, M.D is a specialist with a practice address in Pittsburg, California, and NPI 1285603514, issued on Mar 17, 2006. Check the license (California A34777, as entered in NPPES) with the California board that licenses this profession; 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
1285603514
Name
Alan Shou-Ren Wei
Credential
M.D
Primary taxonomy
Specialist 174400000X
License number
A34777 CA
Self-reported in NPPES; status is on the state search
Practice location
2240 Gladstone Dr, Pittsburg, CA 94565
Phone
(925) 439-1077
Enumerated
Mar 17, 2006
Record last updated
Jan 29, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(925) 439-1179
Medicaid ID
00A347770 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2240 Gladstone Dr

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

  1. Sharon Goldfarb, FNP-CFamily Nurse Practitioner1023563673
  2. Elizabeth Leynes-Le, MDPediatrics Physician1326163825
  3. Analia Lopez, LCSWSocial Worker1659638054
  4. Juan O Meany, PAPhysician Assistant1922108273
  5. Jyotsana Raygor, MDPediatrics Physician1669544326
  6. Maribel Reyes, NPNurse Practitioner1114255056

Verify Alan Shou-Ren Wei in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license A34777
    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
Find the California license search

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98% fewer Medicare Part D claims than the average specialist in 2024

26 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Alan Wei26
  2. Specialty average1,380

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.

Alan Shou-Ren Wei among 5,749 specialist records in California

Alan Shou-Ren Wei, M.D is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2010 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Hannah AmayoPittsburg, CA 945651245861863
  2. Marbely MejiaBay Point, CA 945651376490664
  3. Angelina PerkinsPittsburg, CA 945651760673552
  4. Todd Auker, M.D.Pleasanton, CA 945661891795712
  5. Zarinah ClarkPinole, CA 945641083467211
  6. Annmarie Decker, PTPleasanton, CA 945661518339324
  7. Heeral SharmaPleasanton, CA 945661992371256
  8. John Toole, MDPleasanton, CA 945661497022784

Common questions

What is Alan Shou-Ren Wei, M.D's NPI number?

Alan Shou-Ren Wei, M.D's National Provider Identifier (NPI) is 1285603514, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan Shou-Ren Wei, M.D located?

The NPPES record lists a practice address at 2240 Gladstone Dr, Pittsburg, CA, 94565. Phone: (925) 439-1077. Providers update this record themselves, so call before visiting.

How can I verify Alan Shou-Ren Wei, M.D's license?

NPPES lists California license number A34777, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Alan Shou-Ren Wei, M.D prescribe under Medicare Part D?

In 2024, Alan Shou-Ren Wei, M.D had 26 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.