Quick answers
- Does Thao V. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Thao V. 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 Thao V. Nguyen see?
- In 2024, CMS data shows 582 Original Medicare patients and 4,428 services for Thao V. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Thao V. Nguyen's NPI number?
- 1932318490. 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 Thao V. 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 | 582 |
|---|---|
| Services billed to Medicare | 4,428 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Manual urinalysis test with examination using microscope, non-automated (81000)1,500 services
- Insertion of temporary bladder tube (51701)667 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)577 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)456 services
- Diagnostic exam of bladder and urethra using an endoscope (52000)188 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 cholesterol75%
- High blood pressure72%
- Arthritis55%
- Osteoporosis32%
- Diabetes29%
- Anxiety26%
Hospitals where Thao V. Nguyen works
Medicare's Facility Affiliation Data lists Thao V. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 210065
Practice locations
Addresses where Thao V. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 9707 Medical Ctr Dr, Suite 220Rockville, MD 20850 (240) 654‑4683
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932318490 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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