Quick answers
- Does Thanh Van N. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Thanh Van N. 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 Thanh Van N. Nguyen see?
- In 2024, CMS data shows 315 Original Medicare patients and 874 services for Thanh Van N. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Thanh Van N. Nguyen's NPI number?
- 1508862061. 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 Thanh Van N. 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 | 315 |
|---|---|
| Services billed to Medicare | 874 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)294 services
- Removal of impacted ear wax (69210)183 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)129 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)97 services
- Exam of ear using a microscope (92504)44 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%
- Arthritis48%
- Diabetes35%
- Ischemic heart disease25%
- Chronic kidney disease25%
Hospitals where Thanh Van N. Nguyen works
Medicare's Facility Affiliation Data lists Thanh Van N. 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.
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
Practice locations
Addresses where Thanh Van N. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 10760 Warner Ave, Suite 201Fountain Valley, CA 92708 (714) 593‑5356
Specialties
- Otolaryngologyprimary
Other ENT doctors in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508862061 |
| 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