Quick answers
- Does Anna A. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Anna A. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Anna A. Nguyen see?
- In 2024, CMS data shows 332 Original Medicare patients and 340 services for Anna A. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Anna A. Nguyen's NPI number?
- 1326589342. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Anna A. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 332 |
|---|---|
| Services billed to Medicare | 340 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for lens surgery (00142)98 services
- Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)28 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)24 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)22 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)22 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease37%
- Diabetes30%
- Chronic kidney disease25%
Practice locations
Addresses where Anna A. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 9250 Pinecroft DrShenandoah, TX 77380 (713) 620‑4000
Group practices
Medicare enrollment lists Anna A. Nguyen as a member of this group (CMS data updated October 2, 2026).
- U S Anesthesia Partners of Texas, PA2,752 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Shenandoah
Clinicians with the same Medicare primary specialty in Shenandoah, TX — not a recommendation.
Other clinicians in U S Anesthesia Partners of Texas, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326589342 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians