Wei-Tzuoh Chen, MD
Internal Medicine Physician · Visalia, CA
Wei-Tzuoh Chen, MD is an internal medicine physician with a practice address in Visalia, California, and NPI 1184732398, issued on Aug 28, 2006. Check the license (California A34640, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wei-Tzuoh Chen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A34640 CA
Self-reported in NPPES; status is on the state search - Practice location
- 431 S Bridge Street, Visalia, CA 93277
- Phone
- (559) 732-4662
- Enumerated
- Aug 28, 2006
- Record last updated
- Jun 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (559) 636-2733
- Medicaid ID
- 00A346400 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Wei-Tzuoh Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A34640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
421 Medicare Part D claims for 71 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prosol144 claims
- Clinisol42 claims
- Amlodipine Besylate26 claims
- Sevelamer Carbonate25 claims
- Allopurinol23 claims
- Calcium Acetate16 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.
Wei-Tzuoh Chen among 17,696 internal medicine physician records in California
Wei-Tzuoh Chen, MD 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 fileNo · 63% of these records are
- Record last updated2011 · 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).
58 internal medicine physician records list a practice address in Visalia
They are 58 of the 4,225 NPPES records with a practice address in Visalia, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Visalia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hedeal Alsalihi, M.D.Visalia, CA 932771326089053
- Shyam Bhaskar, MDVisalia, CA 932771194788158
- Arvindra BrarVisalia, CA 932771548628407
- Rajinderpal ChahalVisalia, CA 932771013321496
- Gurtej Dhillon, MDVisalia, CA 932771861567307
- Charles Newton, M.D.Visalia, CA 932771285836197
- Anilkumar Patel, M.D.Visalia, CA 932771902995319
- Anca Petrascu, M.D.Visalia, CA 932771255342929
Common questions
What is Wei-Tzuoh Chen, MD's NPI number?
Wei-Tzuoh Chen, MD's National Provider Identifier (NPI) is 1184732398, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wei-Tzuoh Chen, MD located?
The NPPES record lists a practice address at 431 S Bridge Street, Visalia, CA, 93277. Phone: (559) 732-4662. Providers update this record themselves, so call before visiting.
How can I verify Wei-Tzuoh Chen, MD's license?
NPPES lists California license number A34640, 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 Wei-Tzuoh Chen, MD prescribe under Medicare Part D?
In 2024, Wei-Tzuoh Chen, MD had 421 Medicare Part D claims for 71 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.