Psychologist | General Psychology

Dr. Jonathan Bruce Grayson, PH.D.

4 E Holly St Ste 219, Pasadena, California, 91103-4519

About Dr. Jonathan Bruce Grayson

Dr. Jonathan Bruce Grayson is a psychologist based in Pasadena, California who is specialized in General Psychology. Active license number of Dr. Jonathan Bruce Grayson is PS003671L for General Psychology in Pennsylvania. His current practice location is 4 E Holly St Ste 219, Pasadena. Patients can contact him at 626-639-3994. Dr. Jonathan Bruce Grayson, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1346350378.

Dr. Jonathan Bruce Grayson 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.

Practice Information

Dr. Jonathan Bruce Grayson's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Jonathan Bruce Grayson
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 4 E Holly St Ste 219,
Pasadena, CA - 91103-4519

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1346350378
NPI Enumeration Date: 31 Aug, 2006
NPI Last Update On: 20 Oct, 2021

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Jonathan Bruce Grayson are as mentioned below.

License NumberSpecializationStateStatus
PS003671LGeneral Psychology PennsylvaniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Jonathan Bruce Grayson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0049372000OtherPennsylvaniaINDEPENDENCE BLUE CROSS
461698000OtherPennsylvaniaMAGELLAN

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Jonathan Bruce Grayson
155 Cordova St Unit 304,
Pasadena, CA - 91105-2749
Phone: 610-416-0122

Book an Appointment with Dr. Jonathan Bruce Grayson

To schedule an appointment, contact Dr. Jonathan Bruce Grayson at 4 E Holly St Ste 219, Pasadena, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Jonathan Bruce Grayson:

Dr. Jonathan Bruce Grayson is a psychologist specializing in General Psychology. He 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.

Yes, Dr. Jonathan Bruce Grayson is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Jonathan Bruce Grayson practices at 4 E Holly St Ste 219, Pasadena, California, 91103-4519.

To schedule an appointment with Dr. Jonathan Bruce Grayson, please contact the office at 626-639-3994.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.