Quick answers
- Does Khanh K. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Khanh K. 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 Khanh K. Nguyen see?
- In 2024, CMS data shows 372 Original Medicare patients and 1,111 services for Khanh K. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Khanh K. Nguyen's NPI number?
- 1992740146. 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 Khanh K. 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 | 372 |
|---|---|
| Services billed to Medicare | 1,111 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)295 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)202 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)109 services
- Annual depression screening, 5 to 15 minutes (G0444)63 services
- Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (90677)60 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 cholesterol73%
- High blood pressure70%
- Arthritis37%
- Diabetes29%
- Ischemic heart disease23%
- Chronic kidney disease18%
Practice locations
Addresses where Khanh K. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 15245 Shady Grove Rd, Suite 150Rockville, MD 20850 (301) 869‑9776
- 5413 W Cedar Ln, Suite 203cBethesda, MD 20814 (301) 869‑9776
- 8305 Wisconsin AveBethesda, MD 20814 (301) 869‑9776
Group practices
Medicare enrollment lists Khanh K. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Comprehensive Primary Care and Associates LLC171 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Other clinicians in Comprehensive Primary Care and Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 (32 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) | 1992740146 |
| 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