DR. ANDREW TUAN MAI MD
NPI 1952782781
Anesthesiology in Orange, CA
About Dr. Andrew Tuan Mai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW TUAN MAI MD (NPI 1952782781) is an individual anesthesiology provider in Orange, California, licensed in California (A145969) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Long Beach.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Andrew Tuan Mai Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Andrew Mai reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 107 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Andrew Mai's NPI number?
The NPI number for Andrew Mai is 1952782781. It was assigned to this individual provider in the NPPES registry on June 17, 2015.
Where is Andrew Mai located?
Andrew Mai practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.
What is Andrew Mai's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Mai enrolled in Medicare?
Yes. Andrew Mai is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrew Mai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Mai reassigns Medicare benefits to 3 organizations: Regents Of The University Of (Orange, CA), Cep America - Anesthesia PC (Laguna Hills, CA) and California Anesthesia Associates Medical Group, Inc. (Long Beach, 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 Andrew Mai'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 Andrew Mai was last updated on March 14, 2023. 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.
# Dr. Andrew Tuan Mai, MD · NPI 1952782781
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since June 17, 2015.
## Identity
- **NPI:** 1952782781 (Entity type: Individual)
- **Enumerated:** June 17, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A145969 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 880-7812
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1487602546, Orange, CA); Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); California Anesthesia Associates Medical Group, Inc. (NPI 1457399933, Long Beach, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 14, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1952782781) · Data from the CMS NPPES public registry.