Psychologist | General Psychology

Dr. Gregory Harry Powell, PHD

97 Thomas Johnson Dr, Ste 202, Frederick, Maryland, 21702

About Dr. Gregory Harry Powell

Dr. Gregory Harry Powell is a psychologist based in Frederick, Maryland who is specialized in General Psychology. Active license number of Dr. Gregory Harry Powell is 2236 for General Psychology in Maryland. His current practice location is 97 Thomas Johnson Dr, Ste 202, Frederick. Patients can reach him at 301-695-6455 or can fax him at 301-695-6456. Dr. Gregory Harry Powell is PHD in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1598737629.

Dr. Gregory Harry Powell 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. Gregory Harry Powell speciality, 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. Gregory Harry Powell
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 97 Thomas Johnson Dr, Ste 202
Frederick, MD - 21702
Fax 301-695-6456

Professional Identification Codes

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

NPI Number1598737629
NPI Enumeration Date: 02 Feb, 2006
NPI Last Update On: 13 Jul, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Gregory Harry Powell are as mentioned below.

License NumberSpecializationStateStatus
2236General 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. Gregory Harry Powell
97 Thomas Johnson Dr, Ste 202
Frederick, MD - 21702
Phone: 301-695-6455
Fax: 301-695-6456

Book an Appointment with Dr. Gregory Harry Powell

To schedule an appointment, contact Dr. Gregory Harry Powell at 97 Thomas Johnson Dr, Ste 202, Frederick, Maryland or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory Harry Powell:

Dr. Gregory Harry Powell 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. Gregory Harry Powell is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Dr. Gregory Harry Powell practices at 97 Thomas Johnson Dr, Ste 202, Frederick, Maryland, 21702.

To schedule an appointment with Dr. Gregory Harry Powell, please contact the office at 301-695-6455.

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