Psychologist | Clinical Psychology

Dr. Grace-ellen Mahoney

1235 Pennsylvania Ave Se # 27, Washington, District Of Columbia, 20003-2227

About Dr. Grace-ellen Mahoney

Dr. Grace-ellen Mahoney is a psychologist based in Washington, District Of Columbia who is specialized in Clinical Psychology. Active license number of Dr. Grace-ellen Mahoney is 07053 for Clinical Psychology in Maryland. current practice location is 1235 Pennsylvania Ave Se # 27, Washington. Patients can contact at 240-293-0922. Dr. Grace-ellen Mahoney NPI number (Unique professional ID assigned by NPPES) is 1619825742.

Dr. Grace-ellen Mahoney 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). main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Grace-ellen Mahoney'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. Grace-ellen Mahoney
Specialization Clinical Psychology
Gender X
Practice Address: 1235 Pennsylvania Ave Se # 27,
Washington, DC - 20003-2227

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 Number1619825742
NPI Enumeration Date: 16 Mar, 2026
NPI Last Update On: 16 Mar, 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. Grace-ellen Mahoney are as mentioned below.

License NumberSpecializationStateStatus
07053Clinical 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. Grace-ellen Mahoney
1235 Pennsylvania Ave Se # 27,
Washington, DC - 20003-2227

Book an Appointment with Dr. Grace-ellen Mahoney

To schedule an appointment, contact Dr. Grace-ellen Mahoney at 1235 Pennsylvania Ave Se # 27, Washington, District Of Columbia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Grace-ellen Mahoney:

Dr. Grace-ellen Mahoney is a psychologist specializing in Clinical Psychology. 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). main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Grace-ellen Mahoney 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. Grace-ellen Mahoney practices at 1235 Pennsylvania Ave Se # 27, Washington, District Of Columbia, 20003-2227.

To schedule an appointment with Dr. Grace-ellen Mahoney, please contact the office at 240-293-0922.

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