Andy Nguyen, D.O.
NPI 1497166466 · Family Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Nguyen, D.O. is a Family Medicine Physician provider in Santa Ana, CA (NPI 1497166466).
Provider details
- NPI number
- 1497166466
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A14232 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 62 | 62 |
| Cefadroxil | 59 | 59 |
| Cefpodoxime Proxetil | 58 | 57 |
| Doxycycline Monohydrate | 45 | 45 |
| Prednisone | 38 | 37 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 30 | 30 |
| Cephalexin | 26 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-13
- Last updated
- 2021-12-03
Frequently asked questions
- What is Andy Nguyen's NPI number?
- Andy Nguyen's National Provider Identifier (NPI) is 1497166466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Nguyen's specialty?
- Andy Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andy Nguyen located?
- Andy Nguyen's practice location on file with NPPES is 1900 E 4th St, Santa Ana, CA 92705-3910.
- What is Andy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Andy Nguyen is (714) 967-4766.
- Does Andy Nguyen accept Medicare?
- Andy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Nguyen's NPI active?
- Yes — Andy Nguyen's NPI (1497166466) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.