Gina Chen, MD
NPI 1700961026 · Internal Medicine Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gina Chen, MD is a Internal Medicine Physician provider in Fremont, CA (NPI 1700961026).
Provider details
- NPI number
- 1700961026
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A89754 (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
19 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 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 663 | 304 |
| Amlodipine Besylate | 409 | 195 |
| Losartan Potassium | 358 | 165 |
| Levothyroxine Sodium | 283 | 129 |
| Fluticasone Propionate | 236 | 155 |
| Famotidine | 219 | 102 |
| Atenolol | 217 | 95 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2021-12-09
Frequently asked questions
- What is Gina Chen's NPI number?
- Gina Chen's National Provider Identifier (NPI) is 1700961026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gina Chen's specialty?
- Gina Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gina Chen located?
- Gina Chen's practice location on file with NPPES is 39400 Paseo Padre Pkwy, Fremont, CA 94538-2310.
- What is Gina Chen's phone number?
- The practice phone number listed in the NPPES registry for Gina Chen is (510) 795-3000.
- Does Gina Chen accept Medicare?
- Gina Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gina Chen's NPI active?
- Yes — Gina Chen's NPI (1700961026) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.