DR. AN QUOC BUI MD
NPI 1467080341
Anesthesiology in San Diego, CA
About Dr. An Quoc Bui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AN QUOC BUI MD (NPI 1467080341) is an individual anesthesiology provider in San Diego, California, licensed in California (A195782) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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. An Quoc 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 Reassignment
Medicare enrollment records show An Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 269 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.
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 An Bui's NPI number?
The NPI number for An Bui is 1467080341. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is An Bui located?
An Bui practices at 3626 Ruffin Rd, San Diego, CA 92123. The listed phone number is (858) 565-6666.
What is An Bui's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is An Bui enrolled in Medicare?
Yes. An 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 organization bills Medicare for An Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), An Bui reassigns Medicare benefits to Anesthesia Service Medical Group (San Diego, 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 An 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 An Bui was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.