MICHAEL H. NGUYEN MD
NPI 1245272343
Emergency Medicine - Emergency Medical Services in Austin, TX

Active since June 12, 2006PECOS Enrolled
12221 N MO PAC EXPY, AUSTIN, TX 78758(512) 901-1000 Get Directions Write a Review

NPPES record last updated: May 14, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael H. Nguyen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL H. NGUYEN MD (NPI 1245272343) is an individual emergency medical services provider in Austin, Texas, licensed in Texas (K7845) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245272343
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameMICHAEL H. NGUYENCredential: MD
Location Address12221 N MO PAC EXPYAustin, TX 78758-2415
Mailing Address1101 E Parmer Ln, #107Austin, TX 78753-3424 · (512) 834-1280
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateMay 14, 2010
✔ NPI 1245272343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License✔ Licensed in TX · K7845
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Also ListedEmergency MedicineTaxonomy 207P00000X · License K7845 (TX)
12221 N MO PAC EXPY, Austin, TX 78758

Other Identifiers 5

Medicaid118191905TX
Medicare UPINH22259TX
Medicaid118191907TX
Medicare ID-Type Unspecified8A1517TX
Medicare ID-Type Unspecified8248M3TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael H. Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Michael Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
919 E 32ND ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 547 clinicians in this Medicare group
Emergency Medicine
5012 RANCH ROAD 620 NORTH
Austin, TX 78732
  • Reassigned Medicare billing, Texas enrollment
  • 93 clinicians in this Medicare group
Emergency Medicine
3500 GASTON AVE
Dallas, TX 75246
  • Reassigned Medicare billing, Texas enrollment
  • 1,044 clinicians in this Medicare group
Emergency Medicine
1900 HOSPITAL BLVD
Gainesville, TX 76240
  • Reassigned Medicare billing, Texas enrollment
  • 1,193 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78758 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine (Rheumatology)
12221 N MO PAC EXPY, DEPT OF RHEUMATOLOGY
AUSTIN, TX 78758
Obstetrics & Gynecology (Gynecology)
12221 N MO PAC EXPY
AUSTIN, TX 78758
Internal Medicine (Nephrology)
12221 N MO PAC EXPY
AUSTIN, TX 78758
Internal Medicine (Nephrology)
12221 N MO PAC EXPY
AUSTIN, TX 78758
Clinic/Center (Ambulatory Surgical)
12221 N MO PAC EXPY
AUSTIN, TX 78758
Internal Medicine
12221 N MO PAC EXPY, DEPT OF INTERNAL MEDICINE
AUSTIN, TX 78758
Urology
12221 N MO PAC EXPY
AUSTIN, TX 78758
Internal Medicine (Hematology & Oncology)
12221 N MO PAC EXPY
AUSTIN, TX 78758

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 Michael Nguyen's NPI number?

The NPI number for Michael Nguyen is 1245272343. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Michael Nguyen located?

Michael Nguyen practices at 12221 N Mo Pac Expy, Austin, TX 78758. The listed phone number is (512) 901-1000.

What is Michael Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Michael Nguyen enrolled in Medicare?

Yes. Michael Nguyen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Nguyen reassigns Medicare benefits to 4 organizations: Longhorn Emergency Medical Associates PA (Austin, TX), Lake Travis Emergency Physicians, PLLC (Austin, TX), Century Integrated Partners, Inc (Dallas, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, 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 Michael Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Michael 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.

When was this NPI record last updated?

The NPPES record for Michael Nguyen was last updated on May 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.