MT DIABLO MEMORY CENTER, A PSYCHOLOGICAL CORPORATION
NPI 1851537450
Psychologist in Walnut Creek, CA

Active since January 02, 2009
1910 OLYMPIC BLVD STE 220, WALNUT CREEK, CA 94596(925) 988-0569(925) 478-7930 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 30, 2026, Dec 4, 2023, Jul 13, 2023 (3 updates tracked since 2023).

About Mt Diablo Memory Center, A Psychological Corporation NPPES

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

MT DIABLO MEMORY CENTER, A PSYCHOLOGICAL CORPORATION (NPI 1851537450) is a healthcare organization registered as a psychologist in Walnut Creek, California and active in the NPI registry since January 2009. The organization lists Eric Freitag, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1851537450
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameMT DIABLO MEMORY CENTER, A PSYCHOLOGICAL CORPORATION
Location Address1910 OLYMPIC BLVD STE 220Walnut Creek, CA 94596-5071
Mailing Address1910 Olympic Blvd Ste 220Walnut Creek, CA 94596-5071 · (925) 988-0569 · Fax (925) 478-7930
Fax(925) 478-7930
Organization SubpartNo
Authorized OfficialEric FreitagExecutive Director · (925) 988-0569
Enumeration DateJanuary 2, 2009
Last NPPES UpdateApril 30, 20263 updates tracked since enumeration
NPPES CertifiedApril 30, 2026
✔ NPI 1851537450 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 · PSY21325
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 ListedClinical NeuropsychologistTaxonomy 103G00000X
1910 OLYMPIC BLVD STE 220, Walnut Creek, CA 94596

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Mt Diablo Memory Center, A Psychological 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 Mt Diablo Memory Center, A Psychological Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Psychologist
NPI 1437291168
1910 OLYMPIC BLVD SUITE 220
Walnut Creek, CA 94596
(925) 988-0569
✔ 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 Mt Diablo Memory Center, A Psychological Corporation's NPI number?

The NPI number for Mt Diablo Memory Center, A Psychological Corporation is 1851537450. It was assigned to this organization in the NPPES registry on January 2, 2009.

Where is Mt Diablo Memory Center, A Psychological Corporation located?

Mt Diablo Memory Center, A Psychological Corporation is located at 1910 Olympic Blvd Ste 220, Walnut Creek, CA 94596. The listed phone number is (925) 988-0569.

What is Mt Diablo Memory Center, A Psychological Corporation's specialty?

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

Is Mt Diablo Memory Center, A Psychological Corporation enrolled in Medicare?

Yes. Mt Diablo Memory Center, A Psychological Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mt Diablo Memory Center, A Psychological Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Mt Diablo Memory Center, A Psychological 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 Mt Diablo Memory Center, A Psychological Corporation was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.