Quick answers
- Does Tammy P. Nguyen accept Medicare assignment?
- Medicare's clinician data says Tammy P. Nguyen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Tammy P. Nguyen see?
- In 2024, CMS data shows 16 Original Medicare patients and 28 services for Tammy P. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Tammy P. Nguyen's NPI number?
- 1073179891. 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 Tammy P. 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 | 16 |
|---|---|
| Services billed to Medicare | 28 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Practice locations
Addresses where Tammy P. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 5501 N Interstate 35, Suite BAustin, TX 78723 (512) 452‑5735
Group practices
Medicare enrollment lists Tammy P. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Aeg Texas Professional PLLC229 clinicians in the group
- DRS. Amin, Clark and Associate Optometrists, PA3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Other clinicians in Aeg Texas Professional PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Southern California College Of Optometry |
| Graduation year | 2019 (7 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1073179891 |
| 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