TAM DANG NGUYEN DO
NPI 1356977359
Dermatology in Mckinney, TX
About Tam Dang Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAM DANG NGUYEN DO (NPI 1356977359) is an individual dermatology provider in Mckinney, Texas, licensed in Texas (U3310) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Tam Dang Nguyen Do 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
4Medicare enrollment records show Tam Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mckinney, TX 75071
- Reassigned Medicare billing, Texas enrollment
- 23 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,554 clinicians in this Medicare group
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 1,129 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75071 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
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 Tam Nguyen's NPI number?
The NPI number for Tam Nguyen is 1356977359. It was assigned to this individual provider in the NPPES registry on March 21, 2020.
Where is Tam Nguyen located?
Tam Nguyen practices at 1790 N Stonebridge Dr, Mckinney, TX 75071. The listed phone number is (972) 390-9002.
What is Tam Nguyen's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Tam Nguyen enrolled in Medicare?
Yes. Tam 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 Tam Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tam Nguyen reassigns Medicare benefits to 4 organizations: Matthew D Barrows MD PA (Mckinney, TX), Baylor College Of Medicine (Houston, TX), Baylor College Of Medicine (Houston, TX) and Community Medicine Associates (San Antonio, 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 Tam Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tam Nguyen accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 4 other insurers list Tam 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 Tam Nguyen affiliated with any hospitals?
According to CMS data, Tam Nguyen is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Tam Nguyen was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.