Quick answers
- Does Hai T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Hai 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 Hai T. Nguyen see?
- In 2024, CMS data shows 65 Original Medicare patients and 268 services for Hai T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Hai T. Nguyen's NPI number?
- 1073544599. 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 Hai 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 | 65 |
|---|---|
| Services billed to Medicare | 268 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)75 services
- Annual alcohol misuse screening, 5 to 15 minutes (G0442)32 services
- Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes (G0446)22 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)21 services
- Annual depression screening, 5 to 15 minutes (G0444)19 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%
- Arthritis49%
- Diabetes45%
- Chronic kidney disease29%
- Anxiety28%
Practice locations
Addresses where Hai T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 6525 N Buffalo Dr, Suite 130Las Vegas, NV 89131 (702) 851‑0911
- 8530 W Sunset Rd, Suite 110Las Vegas, NV 89113 (702) 754‑1900
Group practices
Medicare enrollment lists Hai T. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Ferdowsian, Global Services PLLC8 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Other clinicians in Ferdowsian, Global Services PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 2000 (26 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) | 1073544599 |
| 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