Don Nguyen, PA-C
NPI 1942913108 · Physician Assistant · Santa Ana, CA
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Don Nguyen, PA-C is a Physician Assistant provider in Santa Ana, CA (NPI 1942913108).
Provider details
- NPI number
- 1942913108
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 238 | 100 |
| Amlodipine Besylate | 173 | 77 |
| Metformin Hcl | 161 | 69 |
| Losartan Potassium | 121 | 50 |
| Gabapentin | 73 | 36 |
| Lisinopril | 72 | 21 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$849 across 14 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
- 2023-01-03
- Last updated
- 2024-02-07
- Certified
- 2024-02-07
Frequently asked questions
- What is Don Nguyen's NPI number?
- Don Nguyen's National Provider Identifier (NPI) is 1942913108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Nguyen's specialty?
- Don Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Don Nguyen located?
- Don Nguyen's practice location on file with NPPES is 714 S Harbor Blvd Ste a, Santa Ana, CA 92704-2337.
- What is Don Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Don Nguyen is (714) 714-0016.
- Does Don Nguyen accept Medicare?
- Don Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Don Nguyen's NPI active?
- Yes — Don Nguyen's NPI (1942913108) is active in the NPPES registry as of the last update on 2024-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.