DR. CHASSITY ANGENY-SHOWALTER PSY.D.
NPI 1063610004
Psychologist in Walnut, CA

Active since July 10, 2007Opted out of Medicare · through Oct 1, 2027
340 S LEMON AVE #4028, WALNUT, CA 91789(916) 546-5228(866) 491-6341 Get Directions Write a Review

NPPES record last updated: September 9, 2022. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 9, 2022, Dec 16, 2015 (2 updates tracked since 2015).

About Dr. Chassity Angeny-showalter Psy.d. NPPES

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

DR. CHASSITY ANGENY-SHOWALTER PSY.D. (NPI 1063610004) is an individual psychologist in Walnut, California, licensed in California (PSY23036) and active in the NPI registry since July 2007. She has opted out of Medicare through October 1, 2027.

NPPES Registry Identity

NPI1063610004
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. CHASSITY ANGENY-SHOWALTERCredential: PSY.D.
Location Address340 S LEMON AVE #4028Walnut, CA 91789
Mailing Address340 S Lemon Ave #4028Walnut, CA 91789 · (916) 546-5228 · Fax (866) 491-6341
Fax(866) 491-6341
Sole ProprietorNo
Enumeration DateJuly 10, 2007
Last NPPES UpdateSeptember 9, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2022
NPI 1063610004 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 · PSY23036
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.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Chassity Angeny-showalter Psy.d. 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 October 1, 2025 through October 1, 2027.

Opt-Out Effective DateOctober 1, 2025
Opt-Out In Effect ThroughOctober 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Chassity Angeny-showalter's NPI number?

The NPI number for Chassity Angeny-showalter is 1063610004. It was assigned to this individual provider in the NPPES registry on July 10, 2007.

Where is Chassity Angeny-showalter located?

Chassity Angeny-showalter practices at 340 S Lemon Ave #4028, Walnut, CA 91789. The listed phone number is (916) 546-5228.

What is Chassity Angeny-showalter's specialty?

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

Is Chassity Angeny-showalter enrolled in Medicare?

No. Chassity Angeny-showalter has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Chassity Angeny-showalter was last updated on September 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.