PHIET PHUNG MD
NPI 1396950465
Internal Medicine - Gastroenterology in Huntington Beach, CA
About Phiet Phung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PHIET PHUNG MD (NPI 1396950465) is an individual gastroenterology provider in Huntington Beach, California, licensed in California (C52757) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Phiet Phung Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Phiet Phung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 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 2
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 92646 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUNTINGTON BEACH, CA 92646
HUNTINGTON BEACH, CA 92646
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 Phiet Phung's NPI number?
The NPI number for Phiet Phung is 1396950465. It was assigned to this individual provider in the NPPES registry on May 11, 2007.
Where is Phiet Phung located?
Phiet Phung practices at 19066 Magnolia St, Huntington Beach, CA 92646. The listed phone number is (714) 968-0068.
What is Phiet Phung's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Phiet Phung enrolled in Medicare?
Yes. Phiet Phung is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Phiet Phung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phiet Phung reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Tustin, 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 Phiet 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 Phiet Phung was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.