LAN NGUYEN AA
NPI 1700014461
Anesthesiologist Assistant in Pasadena, TX
About Lan Nguyen Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAN NGUYEN AA (NPI 1700014461) is an individual anesthesiologist assistant in Pasadena, Texas, licensed in Texas (957) and active in the NPI registry since July 2009. She is affiliated with Ad Hospital East, Llc and is a graduate of Other (2009).
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
Lan Nguyen Aa 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 Lan Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 403 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,554 clinicians in this Medicare group
Houston, TX 77091
- Reassigned Medicare billing, Texas enrollment
- 319 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ad Hospital East, LLC
Acute Care Hospitals · Houston, TXMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, TX 77505
PASADENA, TX 77505
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 Lan Nguyen's NPI number?
The NPI number for Lan Nguyen is 1700014461. It was assigned to this individual provider in the NPPES registry on July 1, 2009.
Where is Lan Nguyen located?
Lan Nguyen practices at 4600 E Sam Houston Pkwy S, Pasadena, TX 77505. The listed phone number is (281) 487-0700.
What is Lan Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Lan Nguyen enrolled in Medicare?
Yes. Lan 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 organizations bill Medicare for Lan Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lan Nguyen reassigns Medicare benefits to 3 organizations: Compass Anesthesia Providers PLLC (Webster, TX), Baylor College Of Medicine (Houston, TX) and Dynamic Anesthesia Providers PLLC (Houston, TX). 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 Lan Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lan Nguyen accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Lan 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 Lan Nguyen affiliated with any hospitals?
According to CMS data, Lan Nguyen is affiliated with Ad Hospital East, LLC.
When was this NPI record last updated?
The NPPES record for Lan Nguyen was last updated on July 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.