Francine Mariel Castillo
NPI 1871233809 · Dermatology Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francine Mariel Castillo is a Dermatology Physician provider in San Francisco, CA (NPI 1871233809).
Provider details
- NPI number
- 1871233809
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A189038 (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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2425 Geary BlvdSan Francisco, CA 94115-3358Phone: (415) 833-6345
Registry dates
- Enumerated
- 2022-03-29
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Francine Mariel Castillo's NPI number?
- Francine Mariel Castillo's National Provider Identifier (NPI) is 1871233809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francine Mariel Castillo's specialty?
- Francine Mariel Castillo is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Francine Mariel Castillo located?
- Francine Mariel Castillo's practice location on file with NPPES is 1701 Divisadero St Fl 4, San Francisco, CA 94115-3011.
- What is Francine Mariel Castillo's phone number?
- The practice phone number listed in the NPPES registry for Francine Mariel Castillo is (415) 353-7800.
- Does Francine Mariel Castillo accept Medicare?
- Francine Mariel Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francine Mariel Castillo's NPI active?
- Yes — Francine Mariel Castillo's NPI (1871233809) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.