Quick answers
- Does Richard T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Richard T. 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 Richard T. Nguyen see?
- In 2024, CMS data shows 324 Original Medicare patients and 5,332 services for Richard T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Richard T. Nguyen's NPI number?
- 1275724361. 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 Richard T. 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 | 324 |
|---|---|
| Services billed to Medicare | 5,332 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)4,475 services
- Advance care planning, first 30 minutes (99497)328 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)327 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)158 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)43 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%
- Arthritis61%
- Depression53%
- Atrial fibrillation49%
- Alzheimer's disease or dementia48%
Practice locations
Addresses where Richard T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2810 Camino Del Rio S, Suite 102San Diego, CA 92108 (619) 299‑1419
- 3525 Del Mar Heights Rd, Suite 359San Diego, CA 92130 (858) 252‑2700
- 436 S Magnolia Ave, Suite 101El Cajon, CA 92020 (760) 978‑8596
Group practices
Medicare enrollment lists Richard T. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Del Sur Healthcare59 clinicians in the group
- Senior Medical Associates Inc12 clinicians in the group
- Rawi Medical, PC11 clinicians in the group
Specialties
- Geriatric Medicineprimary
- Internal Medicinealso
Other geriatricians in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Other clinicians in Del Sur Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Vermont College Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275724361 |
| 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