Gregory Diehl Crawford is a Ontario, California based psychologist who is specialized in Psychology. Active license number of Gregory Diehl Crawford is PSY28640 in California. His current practice location is 3350 Shelby St Ste 200, Ontario. Patients can reach him at 909-935-2385 or can fax him at 909-935-2685. Gregory Diehl Crawford is PSY.D. in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1427310937.
Gregory Diehl Crawford is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat 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 by psycheducational evaluation, therapy, remediation, and consultation.
Complete Profile:
Gregory Diehl Crawford speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Gregory Diehl Crawford |
| Specialization: | Psychology |
| Gender: | Male |
| Credentials: | PSY.D. |
| Practice Address: | 3350 Shelby St Ste 200, Ontario,
California, 91764-5556 |
| Phone: | 909-935-2385 |
| Fax: | 909-935-2685 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1427310937 |
| NPI Enumeration Date: | 11 Jun, 2012 |
| NPI Last Update On: | 02 Apr, 2021 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Gregory Diehl Crawford are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY28640 | | California | Primary | |
| PSY28640 | General Psychology | California | Secondary | |
| 28640 | Clinical Psychology | California | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Gregory Diehl Crawford
3350 Shelby St Ste 200,
Ontario, California |
| Zip: | 91764-5556 |
| Phone Number: | 909-935-2385 |
| Fax Number: | 909-935-2685 |
Patients can reach Gregory Diehl Crawford at
3350 Shelby St Ste 200, Ontario, California or can
call to book an appointment on 909-935-2385.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.