Psychologist | Clinical Psychology

Dr. Gary M Johnson, PH.D.

2311 W 17th St, Wilmington, Delaware, 19806-1330

About Dr. Gary M Johnson

Dr. Gary M Johnson is a psychologist based in Wilmington, Delaware who is specialized in Clinical Psychology. Active license number of Dr. Gary M Johnson is B-10000132 for Clinical Psychology in Delaware. His current practice location is 2311 W 17th St, Wilmington. Patients can contact him at 302-521-7995 or can fax him at 302-351-8706. Dr. Gary M Johnson, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1831280775.

Dr. Gary M Johnson is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Gary M Johnson'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 Johnson
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 2311 W 17th St,
Wilmington, DE - 19806-1330
Fax 302-351-8706

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 Number1831280775
NPI Enumeration Date: 27 Sep, 2006
NPI Last Update On: 08 Sep, 2016

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 Johnson are as mentioned below.

License NumberSpecializationStateStatus
B-10000132Clinical Psychology DelawarePrimary

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 Johnson
2311 W 17th St,
Wilmington, DE - 19806-1330
Phone: 302-521-7995
Fax: 302-351-8706

Book an Appointment with Dr. Gary M Johnson

To schedule an appointment, contact Dr. Gary M Johnson at 2311 W 17th St, Wilmington, Delaware or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

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

Dr. Gary M Johnson is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Gary M Johnson 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 Johnson practices at 2311 W 17th St, Wilmington, Delaware, 19806-1330.

To schedule an appointment with Dr. Gary M Johnson, please contact the office at 302-521-7995.

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