THANH GIA PHUNG M.D.
NPI 1952315319
Radiology - Diagnostic Radiology in Tustin, CA
About Thanh Gia Phung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THANH GIA PHUNG M.D. (NPI 1952315319) is an individual diagnostic radiology provider in Tustin, California, licensed in California (C42348) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 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
Thanh Gia Phung M.d. 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 Thanh Phung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 86 clinicians in this Medicare group
Westminster, CA 92683
- Reassigned Medicare billing, California enrollment
- 3 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.
Areas of Expertise CMS Part B claims 65
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92780 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
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 Thanh Phung's NPI number?
The NPI number for Thanh Phung is 1952315319. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Thanh Phung located?
Thanh Phung practices at 661 W 1st St Ste G, Tustin, CA 92780. The listed phone number is (714) 665-9890.
What is Thanh Phung's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Thanh Phung enrolled in Medicare?
Yes. Thanh Phung 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 Thanh Phung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thanh Phung reassigns Medicare benefits to 2 organizations: Families Together Of Orange County (Tustin, CA) and Magnolia Medical Imaging Center Inc A 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 Thanh Phung'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 Thanh Phung was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.