ANN MAI NGUYEN M.D.
NPI 1689051526
Anesthesiology in Mckinney, TX
About Ann Mai Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN MAI NGUYEN M.D. (NPI 1689051526) is an individual anesthesiology provider in Mckinney, Texas, licensed in Texas (BP10053380) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Medical City Plano, and is a graduate of University Of Texas Medical Branch At Galveston (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Ann Mai Nguyen 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 Reassignment
Medicare enrollment records show Ann Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mckinney, TX 75069
- Reassigned Medicare billing, Texas enrollment
- 125 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 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medical City Plano
Acute Care Hospitals · Plano, TXBaylor Scott And White Medical Center Mckinney
Acute Care Hospitals · Mc Kinney, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MCKINNEY, TX 75069
MCKINNEY, TX 75069
MCKINNEY, TX 75069
MCKINNEY, TX 75069
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 Ann Nguyen's NPI number?
The NPI number for Ann Nguyen is 1689051526. It was assigned to this individual provider in the NPPES registry on April 29, 2015.
Where is Ann Nguyen located?
Ann Nguyen practices at 4510 Medical Center Dr Ste 211, Mckinney, TX 75069. The listed phone number is (469) 541-1600.
What is Ann Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ann Nguyen enrolled in Medicare?
Yes. Ann Nguyen 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 Ann Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Nguyen reassigns Medicare benefits to Allen Anesthesia Associates (Mckinney, TX). 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 Ann Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Nguyen accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Ann Nguyen 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.
Is Ann Nguyen affiliated with any hospitals?
According to CMS data, Ann Nguyen is affiliated with Medical City Plano and Baylor Scott And White Medical Center Mckinney.
When was this NPI record last updated?
The NPPES record for Ann Nguyen was last updated on September 28, 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.
# Ann Mai Nguyen, M.D. · NPI 1689051526
Anesthesiology physician in Mckinney, Texas. Individual provider, active in the CMS NPPES registry since April 29, 2015.
## Identity
- **NPI:** 1689051526 (Entity type: Individual)
- **Enumerated:** April 29, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** BP10053380 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4510 MEDICAL CENTER DR STE 211, Mckinney, TX 75069-1602
- **Phone:** (469) 541-1600 · **Fax:** (469) 541-1612
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Allen Anesthesia Associates (NPI 1265469357, Mckinney, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 2015
## Record status
- **NPPES last updated:** September 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1689051526) · Data from the CMS NPPES public registry.