Sandy Phan, DO
NPI 1366903429 · Family Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Phan, DO is a Family Medicine Physician provider in Santa Ana, CA (NPI 1366903429).
Provider details
- NPI number
- 1366903429
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A19629 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 32 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 30 |
| Doxycycline Monohydrate | 17 | 17 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 17 | 17 |
| Cefadroxil | 16 | 16 |
| Ciclesonidebrand: Alvesco | 14 | — |
| Azithromycin | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-29
- Last updated
- 2025-07-03
- Certified
- 2025-07-03
Frequently asked questions
- What is Sandy Phan's NPI number?
- Sandy Phan's National Provider Identifier (NPI) is 1366903429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Phan's specialty?
- Sandy Phan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Phan located?
- Sandy Phan's practice location on file with NPPES is 1900 E 4th St, Santa Ana, CA 92705-3910.
- What is Sandy Phan's phone number?
- The practice phone number listed in the NPPES registry for Sandy Phan is (714) 967-4766.
- Does Sandy Phan accept Medicare?
- Sandy Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Phan's NPI active?
- Yes — Sandy Phan's NPI (1366903429) is active in the NPPES registry as of the last update on 2025-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.