MARY E EASON PH D A PSYCHOLOGICAL SERVICES CORPORATION
NPI 1912684507
Psychologist in Fullerton, CA

Active since July 05, 2023
305 N HARBOR BLVD STE 202, FULLERTON, CA 92832(714) 879-5868(714) 879-5858 Get Directions Write a Review

NPPES record last updated: July 7, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mary E Eason Ph D A Psychological Services Corporation NPPES

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

MARY E EASON PH D A PSYCHOLOGICAL SERVICES CORPORATION (NPI 1912684507) is a healthcare organization registered as a psychologist in Fullerton, California and active in the NPI registry since July 2023. The organization lists Mary E Eason, President, as its authorized official.

NPPES Registry Identity

NPI1912684507
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameMARY E EASON PH D A PSYCHOLOGICAL SERVICES CORPORATION
Location Address305 N HARBOR BLVD STE 202Fullerton, CA 92832-1901
Mailing Address305 N Harbor Blvd Ste 202Fullerton, CA 92832-1901 · (714) 879-5868 · Fax (714) 879-5858
Fax(714) 879-5858
Organization SubpartNo
Authorized OfficialMary E EasonPresident · (714) 879-5868
Enumeration DateJuly 5, 2023
Last NPPES UpdateJuly 7, 2023
NPPES CertifiedJuly 7, 2023
✔ NPI 1912684507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
305 N HARBOR BLVD STE 202, Fullerton, CA 92832

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary E Eason Ph D A Psychological Services Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mary E Eason Ph D A Psychological Services Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Psychologist
NPI 1427138593
305 N HARBOR BLVD STE 202
Fullerton, CA 92832
(714) 879-5868
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Mary E Eason Ph D A Psychological Services Corporation's NPI number?

The NPI number for Mary E Eason Ph D A Psychological Services Corporation is 1912684507. It was assigned to this organization in the NPPES registry on July 5, 2023.

Where is Mary E Eason Ph D A Psychological Services Corporation located?

Mary E Eason Ph D A Psychological Services Corporation is located at 305 N Harbor Blvd Ste 202, Fullerton, CA 92832. The listed phone number is (714) 879-5868.

What is Mary E Eason Ph D A Psychological Services Corporation's specialty?

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

Is Mary E Eason Ph D A Psychological Services Corporation enrolled in Medicare?

Yes. Mary E Eason Ph D A Psychological Services Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mary E Eason Ph D A Psychological Services Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Mary E Eason Ph D A Psychological Services Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mary E Eason Ph D A Psychological Services Corporation was last updated on July 7, 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.