Psychologist | Clinical Psychology

Dr. George Marshall Cowan Iii, PSY.D.

8450 Dorsey Run Rd, Jessup, Maryland, 20794-9486

About Dr. George Marshall Cowan Iii

Dr. George Marshall Cowan Iii is a psychologist based in Jessup, Maryland who is specialized in Clinical Psychology. Active license number of Dr. George Marshall Cowan Iii is 04056 for Clinical Psychology in Maryland. His current practice location is 8450 Dorsey Run Rd, Jessup. Patients can contact him at 410-724-3067. Dr. George Marshall Cowan Iii, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1215283833.

Dr. George Marshall Cowan Iii 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. George Marshall Cowan Iii'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. George Marshall Cowan Iii
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 8450 Dorsey Run Rd,
Jessup, MD - 20794-9486

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 Number1215283833
NPI Enumeration Date: 01 Aug, 2012
NPI Last Update On: 29 Jun, 2026

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. George Marshall Cowan Iii are as mentioned below.

License NumberSpecializationStateStatus
04056Clinical Psychology MarylandPrimary

Mailing Address

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

Dr. George Marshall Cowan Iii
8450 Dorsey Run Rd,
Jessup, MD - 20794-9486
Phone: 410-724-3067

Book an Appointment with Dr. George Marshall Cowan Iii

To schedule an appointment, contact Dr. George Marshall Cowan Iii at 8450 Dorsey Run Rd, Jessup, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. George Marshall Cowan Iii:

Dr. George Marshall Cowan Iii 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. George Marshall Cowan Iii 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. George Marshall Cowan Iii practices at 8450 Dorsey Run Rd, Jessup, Maryland, 20794-9486.

To schedule an appointment with Dr. George Marshall Cowan Iii, please contact the office at 410-724-3067.

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