TIMOTHY YEN, PSY.D., A PROFESSIONAL PSYCHOLOGY CORP - NPI 1902772759

Q: What is Timothy Yen, Psy.D., A Professional Psychology Corp's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

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About Timothy Yen, Psy.d., A Professional Psychology Corp NPPES

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

TIMOTHY YEN, PSY.D., A PROFESSIONAL PSYCHOLOGY CORP (NPI 1902772759) is a healthcare organization registered as a clinical in Walnut Creek, California and active in the NPI registry since October 2025. The organization lists Timothy Yen, Owner/ceo, as its authorized official.

NPPES Registry Identity

NPI1902772759

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameTIMOTHY YEN, PSY.D., A PROFESSIONAL PSYCHOLOGY CORP

Location Address1460 MARIA LN STE 310Walnut Creek, CA 94596-8803

Mailing Address1433 Ramsay CirWalnut Creek, CA 94597-2342 · (925) 385-8228

Phone(925) 385-8228

Organization SubpartNo

Authorized OfficialTimothy YenOwner/ceo · (714) 726-5051

Enumeration DateOctober 16, 2025

NPPES CertifiedOctober 16, 2025

✔ NPI 1902772759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedDietitian, RegisteredTaxonomy 133V00000X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

1460 MARIA LN STE 310, Walnut Creek, CA 94596

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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

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.

DR. JULIANE KATHRYN COOK PHD

Marriage & Family Therapist

1460 MARIA LN STE 310
WALNUT CREEK, CA 94596

Contra Costa County (925) 291-0070

MR. BRIAN A NEEDLEMAN LMFT

Marriage & Family Therapist

1460 MARIA LN STE 310
WALNUT CREEK, CA 94596

Contra Costa County (925) 941-4677

BAY AREA MINDS MARRIAGE AND FAMILY THERAPY, INC

Marriage & Family Therapist

1460 MARIA LN STE 310
WALNUT CREEK, CA 94596

Contra Costa County (925) 878-9260

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 Timothy Yen, Psy.D., A Professional Psychology Corp's NPI number?

The NPI number for Timothy Yen, Psy.D., A Professional Psychology Corp is 1902772759. It was assigned to this organization in the NPPES registry on October 16, 2025.

Where is Timothy Yen, Psy.D., A Professional Psychology Corp located?

Timothy Yen, Psy.D., A Professional Psychology Corp is located at 1460 Maria Ln Ste 310, Walnut Creek, CA 94596. The listed phone number is (925) 385-8228.

What is Timothy Yen, Psy.D., A Professional Psychology Corp's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Timothy Yen, Psy.D., A Professional Psychology Corp was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.