What is Claire Calfo's NPI number?

Claire Calfo's National Provider Identifier (NPI) is 1023961448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Claire Calfo's specialty?

Claire Calfo is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).

Where is Claire Calfo located?

Claire Calfo's practice location on file with NPPES is 2762 Union St, San Francisco, CA 94123-3856.

What is Claire Calfo's phone number?

The practice phone number listed in the NPPES registry for Claire Calfo is (206) 677-6177.

Is Claire Calfo's NPI active?

Yes — Claire Calfo's NPI (1023961448) is active in the NPPES registry as of the last update on 2026-02-16.

IndividualActive

Claire Calfo

NPI 1023961448 · Marriage & Family Therapist · San Francisco, CA

Claire Calfo is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1023961448).

Provider details

NPI number: 1023961448
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: AMFT160316 (CA)

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense AMFT160316 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

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

2762 Union St

San Francisco, CA 94123-3856

Phone: (206) 677-6177

Street-level locationGet directions

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Mailing address