Catherine Nguyen-Ward, DO
NPI 1326538398 · Family Medicine Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Nguyen-Ward, DO is a Family Medicine Physician provider in Las Vegas, NV (NPI 1326538398).
Provider details
- NPI number
- 1326538398
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- DO2947 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
388 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $123 |
| Assessment of Emotional Or Behavioral Problems96127 | 54 | $4 |
| 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'SG2211 | 48 | $16 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 39 | $18 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 34 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 72 | 32 |
| Losartan Potassium | 37 | 18 |
| Lisinopril | 37 | 15 |
| Rosuvastatin Calcium | 36 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 32 | 13 |
| Metformin Hcl | 30 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$494 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-15
- Last updated
- 2021-07-01
- Certified
- 2021-07-01
Frequently asked questions
- What is Catherine Nguyen-Ward's NPI number?
- Catherine Nguyen-Ward's National Provider Identifier (NPI) is 1326538398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Nguyen-Ward's specialty?
- Catherine Nguyen-Ward is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Nguyen-Ward located?
- Catherine Nguyen-Ward's practice location on file with NPPES is 3227 E Warm Springs Rd Ste 300, Las Vegas, NV 89120-3180.
- What is Catherine Nguyen-Ward's phone number?
- The practice phone number listed in the NPPES registry for Catherine Nguyen-Ward is (702) 209-3590.
- Does Catherine Nguyen-Ward accept Medicare?
- Catherine Nguyen-Ward is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Nguyen-Ward's NPI active?
- Yes — Catherine Nguyen-Ward's NPI (1326538398) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.