Quick answers
- Does Hanh Nguyen Do accept Medicare assignment?
- Yes. Medicare's clinician data says Hanh Nguyen Do 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.
- What is Hanh Nguyen Do's NPI number?
- 1003907338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Hanh Nguyen Do is enrolled with Medicare (CMS data updated October 2, 2026).
- 1441 Florida AveModesto, CA 95350 (209) 578‑1211
- 2000 Mowry AveFremont, CA 94538 (510) 248‑1000
Group practices
Medicare enrollment lists Hanh Nguyen Do as a member of these groups (CMS data updated October 2, 2026).
- First Choice Physician Partners127 clinicians in the group
- Washington Township Medical Foundation117 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Modesto
Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.
Other clinicians in First Choice Physician Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003907338 |
| 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
- 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