Quick answers
- Does Quynhly A. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Quynhly A. 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 Quynhly A. Nguyen see?
- In 2024, CMS data shows 284 Original Medicare patients and 1,868 services for Quynhly A. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Quynhly A. Nguyen's NPI number?
- 1063063154. 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 Quynhly A. 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 | 284 |
|---|---|
| Services billed to Medicare | 1,868 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)791 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)268 services
- Destruction of precancer skin growth, 1 growth (17000)181 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)157 services
- Destruction of skin growth, 1-14 growths (17110)130 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 pressure55%
- Arthritis35%
- Osteoporosis21%
- Ischemic heart disease19%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Practice locations
Addresses where Quynhly A. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 3300 Webster St, Suite 509Oakland, CA 94609 (510) 452‑0330
- 3511 School StLafayette, CA 94549 (510) 452‑0330
Group practices
Medicare enrollment lists Quynhly A. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Dermatology Center of the East Bay Inc4 clinicians in the group
- Jason F Fung MD a Medical Corporation4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Oakland
Clinicians with the same Medicare primary specialty in Oakland, CA — not a recommendation.
Other clinicians in Dermatology Center of the East Bay Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063063154 |
| 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