Psychologist | Clinical Psychology

Dr. Diane Marie Depalma, PH.D.

1901 Pennsylvania Ave Nw, Suite 602, Washington, District Of Columbia, 20006-3405

About Dr. Diane Marie Depalma

Dr. Diane Marie Depalma is a psychologist based in Washington, District Of Columbia who is specialized in Clinical Psychology. Active license number of Dr. Diane Marie Depalma is PSY 1098 for Clinical Psychology in District Of Columbia. Her current practice location is 1901 Pennsylvania Ave Nw, Suite 602, Washington. Patients can contact her at 703-629-1925. Dr. Diane Marie Depalma, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1700074812.

Dr. Diane Marie Depalma 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Diane Marie Depalma'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. Diane Marie Depalma
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 1901 Pennsylvania Ave Nw, Suite 602
Washington, DC - 20006-3405

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 Number1700074812
NPI Enumeration Date: 15 Oct, 2007
NPI Last Update On: 20 Nov, 2012

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. Diane Marie Depalma are as mentioned below.

License NumberSpecializationStateStatus
PSY 1098Clinical Psychology District Of ColumbiaPrimary
0810003810Clinical Psychology VirginiaSecondary

Mailing Address

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

Dr. Diane Marie Depalma
1901 Pennsylvania Ave Nw, Suite 602
Washington, DC - 20006-3405
Phone: 703-629-1925

Book an Appointment with Dr. Diane Marie Depalma

To schedule an appointment, contact Dr. Diane Marie Depalma at 1901 Pennsylvania Ave Nw, Suite 602, Washington, District Of Columbia or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Diane Marie Depalma:

Dr. Diane Marie Depalma is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Diane Marie Depalma 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. Diane Marie Depalma practices at 1901 Pennsylvania Ave Nw, Suite 602, Washington, District Of Columbia, 20006-3405.

To schedule an appointment with Dr. Diane Marie Depalma, please contact the office at 703-629-1925.

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