ELIZABETH SARAH HAMMER PHD
NPI 1710123872
Psychologist in San Diego, CA

Active since December 19, 2008Opted out of Medicare · through Apr 1, 2027
6735 DECANTURE ST, SAN DIEGO, CA 92120(619) 255-8954(619) 255-8954 Get Directions Write a Review

NPPES record last updated: March 24, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 24, 2021, Feb 18, 2020, Apr 16, 2019 (3 updates tracked since 2019).

About Elizabeth Sarah Hammer Phd NPPES

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

ELIZABETH SARAH HAMMER PHD (NPI 1710123872) is an individual psychologist in San Diego, California, licensed in California (PSY24827) and active in the NPI registry since December 2008. She has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1710123872
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameELIZABETH SARAH HAMMERCredential: PHD
Location Address6735 DECANTURE STSan Diego, CA 92120
Mailing Address5173 Waring Road, Suite A, #5San Diego, CA 92120 · (619) 306-5727 · Fax (619) 528-4625
Fax(619) 255-8954
Sole ProprietorYes
Enumeration DateDecember 19, 2008
Last NPPES UpdateMarch 24, 20213 updates tracked since enumeration
NPPES CertifiedMarch 24, 2021
NPI 1710123872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY24827
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License PSB33458 (CA)
6735 DECANTURE ST, San Diego, CA 92120

Other Names 1

Other Name (5)Elizabeth Sarah Finke

Other Identifiers 1

OtherW416CA · Medicare Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Elizabeth Sarah Hammer Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2023 through April 1, 2027.

Opt-Out Effective DateApril 1, 2023
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Elizabeth Hammer's NPI number?

The NPI number for Elizabeth Hammer is 1710123872. It was assigned to this individual provider in the NPPES registry on December 19, 2008. The provider is also known as Elizabeth Sarah Finke.

Where is Elizabeth Hammer located?

Elizabeth Hammer practices at 6735 Decanture St, San Diego, CA 92120. The listed phone number is (619) 255-8954.

What is Elizabeth Hammer's specialty?

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

Is Elizabeth Hammer enrolled in Medicare?

No. Elizabeth Hammer has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Elizabeth Hammer was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.