Tin Thanh Chu, MD
Family Medicine Physician · Riverside, CA
Tin Thanh Chu, MD is a family medicine physician with a practice address in Riverside, California, and NPI 1922748862, issued on Mar 30, 2022. Check the license (California A198862, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tin Thanh Chu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A198862 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4343 Market St Ste C, Riverside, CA 92501
- Phone
- (951) 784-7406
- Enumerated
- Mar 30, 2022
- Record last updated
- Jul 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250711003059); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4343 Market St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley DoanPhysician Assistant1932918034
Verify Tin Thanh Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A198862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
34 Medicare Part D claims for 16 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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 2 group practices
- Bolsa Medical GroupWestminster, CA
- Good Samaritan Medical Group IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tin Thanh Chu among 17,133 family medicine physician records in California
Tin Thanh Chu, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
258 family medicine physician records list a practice address in Riverside
They are 258 of the 13,893 NPPES records with a practice address in Riverside, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Riverside → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Farah Almudhafar, MDRiverside, CA 925011740576388
- Nerizza Andrada, M.D.Riverside, CA 925011912038027
- Michelle Bholat, MDRiverside, CA 925011104849959
- Kenneth Browning, D.O.Riverside, CA 925011144311739
- Blanca Campos, MDRiverside, CA 925011104086867
- Marc Debay, M.D.Riverside, CA 925011588996623
- Vien Doan, D.O.Riverside, CA 925011720017148
- Crystal Glassy, D.O., M.P.H.Riverside, CA 925011972869816
Common questions
What is Tin Thanh Chu, MD's NPI number?
Tin Thanh Chu, MD's National Provider Identifier (NPI) is 1922748862, issued on Mar 30, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Tin Thanh Chu, MD located?
The NPPES record lists a practice address at 4343 Market St Ste C, Riverside, CA, 92501. Phone: (951) 784-7406. Providers update this record themselves, so call before visiting.
How can I verify Tin Thanh Chu, MD's license?
NPPES lists California license number A198862, 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 Tin Thanh Chu, MD prescribe under Medicare Part D?
In 2024, Tin Thanh Chu, MD had 34 Medicare Part D claims for 16 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.