Andrew Phan, DO
NPI 1174107551 · Family Medicine Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Phan, DO is a Family Medicine Physician provider in Fremont, CA (NPI 1174107551).
Provider details
- NPI number
- 1174107551
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A21461 (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
5 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 55 | 19 |
| Omeprazole | 31 | — |
| Losartan Potassium | 28 | — |
| Gabapentin | 26 | 12 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 | — |
| Lisinopril | 23 | — |
| Alendronate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-11
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Andrew Phan's NPI number?
- Andrew Phan's National Provider Identifier (NPI) is 1174107551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Phan's specialty?
- Andrew Phan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Phan located?
- Andrew Phan's practice location on file with NPPES is 39400 Paseo Padre Pkwy, Fremont, CA 94538-2310.
- What is Andrew Phan's phone number?
- The practice phone number listed in the NPPES registry for Andrew Phan is (510) 248-3000.
- Does Andrew Phan accept Medicare?
- Andrew Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Phan's NPI active?
- Yes — Andrew Phan's NPI (1174107551) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.