NPI Details
DR. Gregory R Thomson, PHD is a psychologist in San Jose, CA. The provider is 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. DR. Gregory R Thomson, PHD NPI is 1750366902. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
2512 SAMARITAN CT
SUITE I
SAN JOSE, CA
ZIP 95124-002
Phone: (408) 402-9858
The enumeration date for this NPI number is 12/9/2005 and was last updated on 9/11/2025.
Taxonomy Codes
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
| No. |
Taxonomy Code |
Taxonomy Clasification |
Taxonomy Specialization |
License Number |
License State |
Primary |
| 1 | 103G00000X | Clinical Neuropsychologist | | 6301011373 | MICHIGAN | No |
| 2 | 103G00000X | Clinical Neuropsychologist | | PSY14385 | CALIFORNIA | No |
| 3 | 103T00000X | Psychologist | | 6301011373 | MICHIGAN | No |
| 4 | 103TB0200X | Psychologist | Cognitive & Behavioral | PSY14385 | CALIFORNIA | No |
| 5 | 103TB0200X | Psychologist | Cognitive & Behavioral | 6301011373 | MICHIGAN | No |
| 6 | 103TC0700X | Psychologist | Clinical | PSY14385 | CALIFORNIA | No |
| 7 | 103TC0700X | Psychologist | Clinical | 6301011373 | MICHIGAN | No |
| 8 | 103TC1900X | Psychologist | Counseling | PSY14385 | CALIFORNIA | No |
| 9 | 103TC1900X | Psychologist | Counseling | 6301011373 | MICHIGAN | No |
| 10 | 103TC2200X | Psychologist | Clinical Child & Adolescent | PSY14385 | CALIFORNIA | No |
| 11 | 103TC2200X | Psychologist | Clinical Child & Adolescent | 6301011373 | MICHIGAN | No |
| 12 | 103T00000X | Psychologist | | PSY14385 | CALIFORNIA | Yes |
