What is Mara Gerson's NPI number?

Mara Gerson's National Provider Identifier (NPI) is 1861009029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mara Gerson's specialty?

Mara Gerson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Mara Gerson located?

Mara Gerson's practice location on file with NPPES is 601 Clement St, San Francisco, CA 94118-2206.

What is Mara Gerson's phone number?

The practice phone number listed in the NPPES registry for Mara Gerson is (415) 800-0699.

Is Mara Gerson's NPI active?

Yes — Mara Gerson's NPI (1861009029) is active in the NPPES registry as of the last update on 2026-02-17.

IndividualActive

Mara Gerson, PSYD

NPI 1861009029 · Psychologist · San Francisco, CA

Mara Gerson, PSYD is a Psychologist provider in San Francisco, CA (NPI 1861009029).

Provider details

NPI number: 1861009029
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Female
Sole proprietor: No

Specialties & taxonomies

PsychologistPrimary103T00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(57/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 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

601 Clement St

San Francisco, CA 94118-2206

Phone: (415) 800-0699

Street-level locationGet directions

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Mailing address