DR. NGUYEN BUI M.D.
NPI 1447679741
Anesthesiology in Redlands, CA
About Dr. Nguyen Bui M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NGUYEN BUI M.D. (NPI 1447679741) is an individual anesthesiology provider in Redlands, California, licensed in California (A154483) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Nguyen Bui 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
3Medicare enrollment records show Nguyen Bui reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 241 clinicians in this Medicare group
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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 Nguyen Bui's NPI number?
The NPI number for Nguyen Bui is 1447679741. It was assigned to this individual provider in the NPPES registry on April 15, 2014.
Where is Nguyen Bui located?
Nguyen Bui practices at 2 W Fern Ave, Redlands, CA 92373. The listed phone number is (909) 793-3311.
What is Nguyen Bui's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Nguyen Bui enrolled in Medicare?
Yes. Nguyen 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 Nguyen Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nguyen Bui reassigns Medicare benefits to 3 organizations: Darin Rentz Do PC (Redlands, CA), Southern California Permanente Medical Group (Fontana, CA) and Allied Anesthesia Medical Group Inc (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 Nguyen 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 Nguyen Bui was last updated on September 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.