Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

COLLABORATIVE TRANSFORMATIONS PSYCHOLOGY, INC.
NPI 1801706189
Psychologist - Clinical in Walnut Creek, CA

Q: What is Collaborative Transformations Psychology, Inc.'s specialty?

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

Active since September 09, 2026

43 QUAIL CT STE 201, WALNUT CREEK, CA 94596(925) 954-1618(925) 952-7022 Get Directions Write a Review

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

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About Collaborative Transformations Psychology, Inc. NPPES

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

COLLABORATIVE TRANSFORMATIONS PSYCHOLOGY, INC. (NPI 1801706189) is a healthcare organization registered as a clinical in Walnut Creek, California and active in the NPI registry since September 2026. The organization lists David L Green, President / Owner, as its authorized official.

NPPES Registry Identity

NPI1801706189

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameCOLLABORATIVE TRANSFORMATIONS PSYCHOLOGY, INC.

Location Address43 QUAIL CT STE 201Walnut Creek, CA 94596-8703

Mailing Address43 Quail Ct Ste 201Walnut Creek, CA 94596-8703 · (925) 954-1618 · Fax (925) 952-7022

Phone(925) 954-1618

Fax(925) 952-7022

Organization SubpartNo

Authorized OfficialDavid L GreenPresident / Owner · (925) 954-1618

Enumeration DateSeptember 9, 2026

NPPES CertifiedSeptember 9, 2026

✔ NPI 1801706189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.

43 QUAIL CT STE 201, 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 2

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

MEGAN ALISE MILLER PSYD

Psychologist

43 QUAIL CT STE 201
WALNUT CREEK, CA 94596

Contra Costa County (925) 954-1618

COLLABORATIVE TRANSFORMATIONS PSYCHOLOGY, INC.

Psychologist (Clinical)

43 QUAIL CT STE 201
WALNUT CREEK, CA 94596

Contra Costa County (925) 954-1618

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 Collaborative Transformations Psychology, Inc.'s NPI number?

The NPI number for Collaborative Transformations Psychology, Inc. is 1801706189. It was assigned to this organization in the NPPES registry on September 9, 2026.

Where is Collaborative Transformations Psychology, Inc. located?

Collaborative Transformations Psychology, Inc. is located at 43 Quail Ct Ste 201, Walnut Creek, CA 94596. The listed phone number is (925) 954-1618.

What is Collaborative Transformations Psychology, Inc.'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 Collaborative Transformations Psychology, Inc. was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.