Antonia Littleton, AMFT
NPI 1578425104 · Marriage & Family Therapist · San Francisco, CA
Antonia Littleton, AMFT is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1578425104).
Provider details
- NPI number
- 1578425104
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 158729 (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
Under 1 yr in 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
- 2025-12-02
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is Antonia Littleton's NPI number?
- Antonia Littleton's National Provider Identifier (NPI) is 1578425104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antonia Littleton's specialty?
- Antonia Littleton is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Antonia Littleton located?
- Antonia Littleton's practice location on file with NPPES is 221 16th Ave Apt 3, San Francisco, CA 94118-1058.
- What is Antonia Littleton's phone number?
- The practice phone number listed in the NPPES registry for Antonia Littleton is (510) 965-2072.
- Is Antonia Littleton's NPI active?
- Yes — Antonia Littleton's NPI (1578425104) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.