Sarah Mark, M.A., MFT
NPI 1306908975 · Marriage & Family Therapist · San Francisco, CA
Sarah Mark, M.A., MFT is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1306908975).
Provider details
- NPI number
- 1306908975
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.A., MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC48309 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-12-13
- Last updated
- 2010-05-14
Frequently asked questions
- What is Sarah Mark's NPI number?
- Sarah Mark's National Provider Identifier (NPI) is 1306908975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Mark's specialty?
- Sarah Mark is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Sarah Mark located?
- Sarah Mark's practice location on file with NPPES is 3323 Sacramento St, San Francisco, CA 94118-1911.
- What is Sarah Mark's phone number?
- The practice phone number listed in the NPPES registry for Sarah Mark is (415) 816-6100.
- Is Sarah Mark's NPI active?
- Yes — Sarah Mark's NPI (1306908975) is active in the NPPES registry as of the last update on 2010-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.