Alex Coston, MD
NPI 1578213013 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alex Coston, MD is a Family Medicine Physician provider in San Francisco, CA (NPI 1578213013).
Provider details
- NPI number
- 1578213013
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A190425 (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
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
- 2022-03-27
- Last updated
- 2025-04-29
- Certified
- 2025-04-29
Frequently asked questions
- What is Alex Coston's NPI number?
- Alex Coston's National Provider Identifier (NPI) is 1578213013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alex Coston's specialty?
- Alex Coston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alex Coston located?
- Alex Coston's practice location on file with NPPES is 1001 Potrero Ave Bldg 80-83, San Francisco, CA 94110-3518.
- What is Alex Coston's phone number?
- The practice phone number listed in the NPPES registry for Alex Coston is (628) 206-5252.
- Does Alex Coston accept Medicare?
- Alex Coston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alex Coston's NPI active?
- Yes — Alex Coston's NPI (1578213013) is active in the NPPES registry as of the last update on 2025-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.