John Wei, M.D.
Internal Medicine Physician · South Gate, CA
John Wei, M.D. is an internal medicine physician with a practice address in South Gate, California, and NPI 1689741654, issued on Nov 28, 2006. Check the license (California A34899, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Wei
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A34899 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3224 Santa Ana St, South Gate, CA 90280
- Phone
- (323) 567-2384
- Enumerated
- Nov 28, 2006
- Entity
- Type 1 · individual
Also registered at 3224 Santa Ana St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ruby Angeles, R.P.TPhysical Therapist1831555267
- Yueh-Guei Book, PTPhysical Therapist1639102007
- Jeffrey Le, P.T.A.Physical Therapy Assistant1720445356
- Tony Tseng, M.D., M.S.Internal Medicine Physician1558523670
Verify John Wei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A34899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
77 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Xarelto26 claims
- Amlodipine Besylate11 claims
- Benazepril Hcl11 claims
- Digoxin11 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.
8 internal medicine physician records list a South Gate practice address
They are 8 of the 466 NPPES records with a South Gate practice address, and 20,403 internal medicine physician records in California.
All 8 in South Gate → All 20,403 in California → Every provider in South Gate →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is John Wei, M.D.'s NPI number?
John Wei, M.D.'s National Provider Identifier (NPI) is 1689741654, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Wei, M.D. located?
The NPPES record lists a practice address at 3224 Santa Ana St, South Gate, CA, 90280. Phone: (323) 567-2384. Providers update this record themselves, so call before visiting.
How can I verify John Wei, M.D.'s license?
NPPES lists California license number A34899, 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 John Wei, M.D. prescribe under Medicare Part D?
In 2024, John Wei, M.D. had 77 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.