CYNTHIA ANN THAYER LCSW
NPI 1699849299
Psychologist in La Mesa, CA

Active since November 17, 2006PECOS Enrolled
4700 SPRING STREET, SUITE 204, LA MESA, CA 91941(619) 461-4700(619) 589-6840 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Cynthia Ann Thayer Lcsw NPPES

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

CYNTHIA ANN THAYER LCSW (NPI 1699849299) is an individual psychologist in La Mesa, California, licensed in California (LCSW9268) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699849299
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameCYNTHIA ANN THAYERCredential: LCSW
Location Address4700 SPRING STREET, SUITE 204La Mesa, CA 91941
Mailing Address4700 Spring Street, Suite 204La Mesa, CA 91941 · (619) 461-4700 · Fax (619) 589-6840
Fax(619) 589-6840
Sole ProprietorNo
Enumeration DateNovember 17, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1699849299 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 · LCSW9268
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 ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License LCSW9268 (CA)

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Cynthia Ann Thayer Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Behavior Technician
4700 SPRING STREET, STE. 180
SAN DIEGO, CA 91941
Dentist (Pediatric Dentistry)
4700 SPRING STREET, SUITE 104
LA MESA, CA 91941
Psychologist (Counseling)
4700 SPRING STREET, SUITE 204
LA MESA, CA 91941

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 Cynthia Thayer's NPI number?

The NPI number for Cynthia Thayer is 1699849299. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Cynthia Thayer located?

Cynthia Thayer practices at 4700 Spring Street Suite 204, La Mesa, CA 91941. The listed phone number is (619) 461-4700.

What is Cynthia Thayer's specialty?

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

Is Cynthia Thayer enrolled in Medicare?

Yes. Cynthia Thayer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cynthia Thayer was last updated on September 11, 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.