DR. TUONG NGUYEN BUI MD
NPI 1841251659
Family Medicine in Long Beach, CA
About Dr. Tuong Nguyen Bui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TUONG NGUYEN BUI MD (NPI 1841251659) is an individual family medicine provider in Long Beach, California, licensed in California (G179191) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Tuong Nguyen Bui 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 Tuong Bui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Chambersburg, PA 17201
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 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 8
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 90815 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 10
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 Tuong Bui's NPI number?
The NPI number for Tuong Bui is 1841251659. It was assigned to this individual provider in the NPPES registry on March 31, 2006.
Where is Tuong Bui located?
Tuong Bui practices at 2110 N. Bellflower Blvd., Long Beach, CA 90815. The listed phone number is (562) 346-2222.
What is Tuong Bui's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tuong Bui enrolled in Medicare?
Yes. Tuong Bui 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 Tuong Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tuong Bui reassigns Medicare benefits to 2 organizations: Memorialcare Medical Foundation (Fountain Valley, CA) and Pinnacle Health Medical Services (Chambersburg, PA). 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 Tuong Bui'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 Tuong Bui was last updated on December 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.