Sophia Chen, D.O.
NPI 1225371016 · Geriatric Medicine (Internal Medicine) Physician · Martinez, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sophia Chen, D.O. is a Geriatric Medicine (Internal Medicine) Physician provider in Martinez, CA (NPI 1225371016).
Provider details
- NPI number
- 1225371016
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A13633 (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
13 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 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 184 | 76 |
| Atorvastatin Calcium | 157 | 52 |
| Warfarin Sodium | 127 | — |
| Apixabanbrand: Eliquis | 109 | 12 |
| Furosemide | 93 | 12 |
| Quetiapine Fumarate | 82 | 39 |
| Gabapentin | 79 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-01
- Last updated
- 2021-12-16
Frequently asked questions
- What is Sophia Chen's NPI number?
- Sophia Chen's National Provider Identifier (NPI) is 1225371016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sophia Chen's specialty?
- Sophia Chen is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sophia Chen located?
- Sophia Chen's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is Sophia Chen's phone number?
- The practice phone number listed in the NPPES registry for Sophia Chen is (925) 370-5200.
- Does Sophia Chen accept Medicare?
- Sophia Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sophia Chen's NPI active?
- Yes — Sophia Chen's NPI (1225371016) is active in the NPPES registry as of the last update on 2021-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.