Psychologist | Clinical Psychology

John Mallory

8901 Rockville Pike, Bethesda, Maryland, 20889-0001

About John Mallory

John Mallory is a psychologist based in Bethesda, Maryland who is specialized in Clinical Psychology. Active license number of John Mallory is 0810006431 for Clinical Psychology in Virginia. His current practice location is 8901 Rockville Pike, Bethesda. Patients can contact him at 301-295-0500. John Mallory NPI number (Unique professional ID assigned by NPPES) is 1891126678.

John Mallory 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

John Mallory'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 John Mallory
Specialization Clinical Psychology
Gender Male
Practice Address: 8901 Rockville Pike,
Bethesda, MD - 20889-0001

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 Number1891126678
NPI Enumeration Date: 04 Dec, 2013
NPI Last Update On: 01 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 John Mallory are as mentioned below.

License NumberSpecializationStateStatus
0810006431Clinical Psychology VirginiaPrimary

Mailing Address

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

John Mallory
8901 Rockville Pike,
Bethesda, MD - 20889-0001

Book an Appointment with John Mallory

To schedule an appointment, contact John Mallory at 8901 Rockville Pike, Bethesda, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Mallory:

John Mallory 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, John Mallory 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.

John Mallory practices at 8901 Rockville Pike, Bethesda, Maryland, 20889-0001.

To schedule an appointment with John Mallory, please contact the office at 301-295-0500.

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