DR. JOSEPH HIEN TRUNG BUI OD
NPI 1750874608
Optometrist in Huntington Beach, CA
About Dr. Joseph Hien Trung Bui Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH HIEN TRUNG BUI OD (NPI 1750874608) is an individual optometrist in Huntington Beach, California, licensed in California (33952) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Joseph Hien Trung Bui Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joseph Hien Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fountain Valley, CA 92708
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92647 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 Joseph Hien Bui's NPI number?
The NPI number for Joseph Hien Bui is 1750874608. It was assigned to this individual provider in the NPPES registry on June 14, 2018.
Where is Joseph Hien Bui located?
Joseph Hien Bui practices at 7596 Edinger Ave, Huntington Beach, CA 92647. The listed phone number is (657) 329-2729.
What is Joseph Hien Bui's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Joseph Hien Bui enrolled in Medicare?
Yes. Joseph Hien Bui is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joseph Hien Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Hien Bui reassigns Medicare benefits to Michael K. Tran, M.D., Inc. (Fountain Valley, 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 Joseph Hien Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Hien Bui accept?
Health plans from Anthem Blue Cross and Blue Shield list Joseph Hien Bui as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Joseph Hien Bui was last updated on December 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.