DR. MARTHA MERCHANT PSY.D.
NPI 1508087552
Psychologist in San Francisco, CA

Active since May 01, 2007
50 BALMY ST, SAN FRANCISCO, CA 94110(415) 547-0838 Get Directions Write a Review

NPPES record last updated: February 9, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 9, 2023, Jul 21, 2022, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

About Dr. Martha Merchant Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARTHA MERCHANT PSY.D. (NPI 1508087552) is an individual psychologist in San Francisco, California, licensed in California (26986) and active in the NPI registry since May 2007. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1508087552
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARTHA MERCHANTCredential: PSY.D.
Location Address50 BALMY STSan Francisco, CA 94110-4111
Mailing Address50 Balmy StSan Francisco, CA 94110-4111 · (415) 547-0838 · Fax (415) 680-1703
Sole ProprietorYes
Enumeration DateMay 1, 2007
Last NPPES UpdateFebruary 9, 20235 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2023
NPI 1508087552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · 26986
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 26986 (CA)
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 26986 (CA)
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License 1651 (MN)
50 BALMY ST, San Francisco, CA 94110

Secondary Practice Locations 2

Location 11001 Potrero AveSan Francisco, CA 94110-3518 · Phone (415) 547-0838
Location 23150 18th St, STE 550San Francisco, CA 94110-2074 · Phone (415) 547-0838 · Fax (415) 795-4355

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Martha Merchant's NPI number?

The NPI number for Martha Merchant is 1508087552. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is Martha Merchant located?

Martha Merchant practices at 50 Balmy St, San Francisco, CA 94110. The listed phone number is (415) 547-0838.

What is Martha Merchant's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Martha Merchant was last updated on February 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.