GREGORY DIEHL CRAWFORD PSY.D.
NPI 1427310937
Clinical Neuropsychologist in Ontario, CA

Active since June 11, 2012
3350 SHELBY ST STE 200, ONTARIO, CA 91764(909) 935-2385(909) 935-2685 Get Directions Write a Review

NPPES record last updated: April 2, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 2, 2021, Jun 15, 2018 (2 updates tracked since 2018).

About Gregory Diehl Crawford Psy.d. NPPES

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

GREGORY DIEHL CRAWFORD PSY.D. (NPI 1427310937) is an individual clinical neuropsychologist in Ontario, California, licensed in California (PSY28640) and active in the NPI registry since June 2012.

NPPES Registry Identity

NPI1427310937
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameGREGORY DIEHL CRAWFORDCredential: PSY.D.
Location Address3350 SHELBY ST STE 200Ontario, CA 91764-5556
Mailing Address3350 Shelby St Ste 200Ontario, CA 91764-5556 · (909) 935-2385 · Fax (909) 935-2685
Fax(909) 935-2685
Sole ProprietorYes
Enumeration DateJune 11, 2012
Last NPPES UpdateApril 2, 20212 updates tracked since enumeration
NPPES CertifiedApril 2, 2021
NPI 1427310937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License Licensed in CA · PSY28640
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologistTaxonomy 103T00000X · License PSY28640 (CA)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 28640 (CA)
3350 SHELBY ST STE 200, Ontario, CA 91764

Other Providers at the Same Location NPPES 20

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

Psychologist
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Nurse Practitioner (Psychiatric/Mental Health)
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Clinic/Center (Mental Health (Including Community Mental Health Center))
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Massage Therapist
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Behavior Technician
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Doula
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Clinic/Center (Hearing and Speech)
3350 SHELBY ST STE 200
ONTARIO, CA 91764
Nurse Practitioner
3350 SHELBY ST STE 200
ONTARIO, CA 91764

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 Gregory Crawford's NPI number?

The NPI number for Gregory Crawford is 1427310937. It was assigned to this individual provider in the NPPES registry on June 11, 2012.

Where is Gregory Crawford located?

Gregory Crawford practices at 3350 Shelby St Ste 200, Ontario, CA 91764. The listed phone number is (909) 935-2385.

What is Gregory Crawford's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

When was this NPI record last updated?

The NPPES record for Gregory Crawford was last updated on April 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.