Psychologist | General Psychology

Dr. Gary M Diamond, PH.D.

3440 Market St, Suite 200, Philadelphia, Pennsylvania, 19104-3325

About Dr. Gary M Diamond

Dr. Gary M Diamond is a psychologist based in Philadelphia, Pennsylvania who is specialized in General Psychology. Active license number of Dr. Gary M Diamond is PS008819L for General Psychology in Pennsylvania. His current practice location is 3440 Market St, Suite 200, Philadelphia. Patients can contact him at 215-590-7555 or can fax him at 215-590-7387. Dr. Gary M Diamond, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1437254182.

Dr. Gary M Diamond 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. Gary M Diamond'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. Gary M Diamond
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 3440 Market St, Suite 200
Philadelphia, PA - 19104-3325
Fax 215-590-7387

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 Number1437254182
NPI Enumeration Date: 14 Sep, 2006
NPI Last Update On: 08 Jul, 2007

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. Gary M Diamond are as mentioned below.

License NumberSpecializationStateStatus
PS008819LGeneral Psychology PennsylvaniaPrimary

Mailing Address

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

Dr. Gary M Diamond
3440 Market St, Suite 410
Philadelphia, PA - 19104-3325
Phone: 215-590-7532
Fax: 215-590-4251

Book an Appointment with Dr. Gary M Diamond

To schedule an appointment, contact Dr. Gary M Diamond at 3440 Market St, Suite 200, Philadelphia, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gary M Diamond:

Dr. Gary M Diamond 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. Gary M Diamond 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. Gary M Diamond practices at 3440 Market St, Suite 200, Philadelphia, Pennsylvania, 19104-3325.

To schedule an appointment with Dr. Gary M Diamond, please contact the office at 215-590-7555.

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