Quick answers
- Does Dang D. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Dang D. 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 Dang D. Nguyen see?
- In 2024, CMS data shows 97 Original Medicare patients and 642 services for Dang D. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Dang D. Nguyen's NPI number?
- 1871512517. 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 Dang D. 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 | 97 |
|---|---|
| Services billed to Medicare | 642 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)168 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)144 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)40 services
- Annual alcohol misuse screening, 5 to 15 minutes (G0442)32 services
- Annual depression screening, 5 to 15 minutes (G0444)30 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%
- Chronic kidney disease61%
- Diabetes44%
- Ischemic heart disease41%
- Arthritis30%
Practice locations
Addresses where Dang D. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 202 Canal St, Suite 305New York, NY 10013 (917) 620‑4091
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1975 (51 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871512517 |
| 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