Quick answers
- Does Thien-Nhan P. Nguyen accept Medicare assignment?
- Medicare's clinician data says Thien-Nhan 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 Thien-Nhan P. Nguyen see?
- In 2024, CMS data shows 158 Original Medicare patients and 1,374 services for Thien-Nhan P. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Thien-Nhan P. Nguyen's NPI number?
- 1679244008. 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 Thien-Nhan 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 | 158 |
|---|---|
| Services billed to Medicare | 1,374 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 84 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)598 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)410 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)132 services
- Nursing facility discharge day management, 30 minutes or less (99315)114 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)87 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 disease46%
- Osteoporosis45%
- Atrial fibrillation38%
Practice locations
Addresses where Thien-Nhan P. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Palo Alto
Clinicians with the same Medicare primary specialty in Palo Alto, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679244008 |
| 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