TIN THANH CHU MD
NPI 1922748862
Family Medicine in Riverside, CA
About Tin Thanh Chu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIN THANH CHU MD (NPI 1922748862) is an individual family medicine provider in Riverside, California, licensed in California (A198862) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Colton, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tin Thanh Chu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Tin Chu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Westminster, CA 92683
- Reassigned Medicare billing, California enrollment
- 19 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tin Chu's NPI number?
The NPI number for Tin Chu is 1922748862. It was assigned to this individual provider in the NPPES registry on March 30, 2022.
Where is Tin Chu located?
Tin Chu practices at 4343 Market St Ste C, Riverside, CA 92501. The listed phone number is (951) 784-7406.
What is Tin Chu's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tin Chu enrolled in Medicare?
Yes. Tin Chu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tin Chu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tin Chu reassigns Medicare benefits to 2 organizations: Good Samaritan Medical Group Inc. (Riverside, CA) and Bolsa Medical Group (Westminster, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tin Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Tin Chu was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tin Thanh Chu, MD · NPI 1922748862
Family Medicine physician in Riverside, California. Individual provider, active in the CMS NPPES registry since March 30, 2022.
## Identity
- **NPI:** 1922748862 (Entity type: Individual)
- **Enumerated:** March 30, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A198862 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4343 MARKET ST STE C, Riverside, CA 92501-3567
- **Phone:** (951) 784-7406
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Good Samaritan Medical Group Inc. (NPI 1649015942, Riverside, CA); Bolsa Medical Group (NPI 1992732192, Westminster, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1922748862) · Data from the CMS NPPES public registry.