Carolyn Chen, MD
NPI 1649203332 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Chen, MD is a Family Medicine Physician provider in San Francisco, CA (NPI 1649203332).
Provider details
- NPI number
- 1649203332
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0042843 (CO)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2023-06-16
- Certified
- 2023-06-16
Frequently asked questions
- What is Carolyn Chen's NPI number?
- Carolyn Chen's National Provider Identifier (NPI) is 1649203332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Chen's specialty?
- Carolyn Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Chen located?
- Carolyn Chen's practice location on file with NPPES is 101 Mission St Ste 800, San Francisco, CA 94105-1744.
- What is Carolyn Chen's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Chen is (415) 231-5333.
- Does Carolyn Chen accept Medicare?
- Carolyn Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Chen's NPI active?
- Yes — Carolyn Chen's NPI (1649203332) is active in the NPPES registry as of the last update on 2023-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.