Judith Siff
NPI 1073764759 · Marriage & Family Therapist · San Francisco, CA
Judith Siff is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1073764759).
Provider details
- NPI number
- 1073764759
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2008-10-01
- Last updated
- 2008-10-01
Frequently asked questions
- What is Judith Siff's NPI number?
- Judith Siff's National Provider Identifier (NPI) is 1073764759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judith Siff's specialty?
- Judith Siff is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Judith Siff located?
- Judith Siff's practice location on file with NPPES is 1390 Market St, San Francisco, CA 94102-5402.
- What is Judith Siff's phone number?
- The practice phone number listed in the NPPES registry for Judith Siff is (415) 626-7000.
- Is Judith Siff's NPI active?
- Yes — Judith Siff's NPI (1073764759) is active in the NPPES registry as of the last update on 2008-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.