DAT Q TRINH DO
NPI 1245252071
Family Medicine in Pomona, CA
About Dat Q Trinh Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAT Q TRINH DO (NPI 1245252071) is an individual family medicine provider in Pomona, California, licensed in California (20A9050) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dat Q Trinh Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dat Trinh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pomona, CA 91766
- Reassigned Medicare billing, California enrollment
- 82 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 91766 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POMONA, CA 91766
POMONA, CA 91766
PAMONA, CA 91766
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 Dat Trinh's NPI number?
The NPI number for Dat Trinh is 1245252071. It was assigned to this individual provider in the NPPES registry on July 24, 2006.
Where is Dat Trinh located?
Dat Trinh practices at 795 E. Second Street Suite 5, Pomona, CA 91766. The listed phone number is (909) 865-2565.
What is Dat Trinh's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dat Trinh enrolled in Medicare?
Yes. Dat Trinh is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dat Trinh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dat Trinh reassigns Medicare benefits to Western University Of Health Sciences (Pomona, CA). The 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 Dat Trinh'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 Dat Trinh was last updated on April 14, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.
# Dat Q Trinh, DO · NPI 1245252071
Family Medicine physician in Pomona, California. Individual provider, active in the CMS NPPES registry since July 24, 2006.
## Identity
- **NPI:** 1245252071 (Entity type: Individual)
- **Enumerated:** July 24, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A9050 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 795 E. SECOND STREET, SUITE 5, Pomona, CA 91766-2007
- **Phone:** (909) 865-2565 · **Fax:** (909) 865-2955
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Western University Of Health Sciences (NPI 1245467885, Pomona, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 14, 2014
- **Other identifiers:** Medicare PIN W20A9050A (CA); Medicare UPIN I57892 (CA); Medicaid 00AX90500 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1245252071) · Data from the CMS NPPES public registry.