Quick answers
- Does Quoc Anh Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Quoc Anh 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 Quoc Anh Nguyen see?
- In 2024, CMS data shows 321 Original Medicare patients and 1,116 services for Quoc Anh Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Quoc Anh Nguyen's NPI number?
- 1114173440. 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 Quoc Anh 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 | 321 |
|---|---|
| Services billed to Medicare | 1,116 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)245 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)117 services
- Detection test by immunoassay technique for influenza virus (87400)112 services
- Advance care planning, first 30 minutes (99497)87 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)83 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%
- Diabetes42%
- Arthritis41%
- Depression26%
- Anxiety24%
Practice locations
Addresses where Quoc Anh Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 12800 Middlebrook Rd, Suite 400Germantown, MD 20874 (301) 515‑2901
Group practices
Medicare enrollment lists Quoc Anh Nguyen as a member of this group (CMS data updated October 2, 2026).
- Doctors First, LLC59 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Germantown
Clinicians with the same Medicare primary specialty in Germantown, MD — not a recommendation.
Other clinicians in Doctors First, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114173440 |
| 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