Quick answers
- Does Catherine K. Nguyen-Ward accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine K. Nguyen-Ward 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 Catherine K. Nguyen-Ward see?
- In 2024, CMS data shows 63 Original Medicare patients and 432 services for Catherine K. Nguyen-Ward. This counts Original Medicare only and measures volume, not quality.
- What is Catherine K. Nguyen-Ward's NPI number?
- 1326538398. 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 Catherine K. Nguyen-Ward, 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 | 63 |
|---|---|
| Services billed to Medicare | 432 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)105 services
- Assessment of emotional or behavioral problems (96127)54 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)48 services
- Annual alcohol misuse screening, 5 to 15 minutes (G0442)39 services
- Annual depression screening, 5 to 15 minutes (G0444)34 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 pressure70%
- Arthritis41%
- Diabetes33%
- Ischemic heart disease24%
- Anxiety22%
Practice locations
Addresses where Catherine K. Nguyen-Ward is enrolled with Medicare (CMS data updated October 2, 2026).
- 4035 S El Capitan Way, Suite 100Las Vegas, NV 89147 (702) 463‑8080
Group practices
Medicare enrollment lists Catherine K. Nguyen-Ward as a member of this group (CMS data updated October 2, 2026).
- Christopher S Choi MD a Prof Corp2 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 Christopher S Choi MD a Prof Corp
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un Col Of Osteopathic Medicine, Henderson |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326538398 |
| 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