EMMA HASSALL
NPI 1720530116
Psychologist in San Francisco, CA

Active since November 01, 2016
2354 POST ST STE E, SAN FRANCISCO, CA 94115(415) 226-9975 Get Directions Write a Review

NPPES record last updated: September 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 18, 2024, Aug 14, 2023, Sep 9, 2021 and 3 more (6 updates tracked since 2016).

About Emma Hassall NPPES

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

EMMA HASSALL (NPI 1720530116) is an individual psychologist in San Francisco, California, licensed in California (34317) and active in the NPI registry since November 2016. She maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1720530116
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameEMMA HASSALL
Location Address2354 POST ST STE ESan Francisco, CA 94115-3424
Mailing Address2354 Post St Ste ESan Francisco, CA 94115-3424
Sole ProprietorYes
Enumeration DateNovember 1, 2016
Last NPPES UpdateSeptember 26, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2025
NPI 1720530116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · 34317
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.
2354 POST ST STE E, San Francisco, CA 94115

Secondary Practice Location 1

Location 11700 Pierce StSan Francisco, CA 94115-3108 · Phone (415) 226-9975 ext. 79939

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 Emma Hassall's NPI number?

The NPI number for Emma Hassall is 1720530116. It was assigned to this individual provider in the NPPES registry on November 1, 2016.

Where is Emma Hassall located?

Emma Hassall practices at 2354 Post St Ste E, San Francisco, CA 94115. The listed phone number is (415) 226-9975.

What is Emma Hassall'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 Emma Hassall was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.