Psychologist | Clinical Psychology

Dr. John Walter Davison Iii, M.B.A., PH.D.

50 Irving St Nw, Washington, District Of Columbia, 20422-0001

About Dr. John Walter Davison Iii

Dr. John Walter Davison Iii is a psychologist based in Washington, District Of Columbia who is specialized in Clinical Psychology. Active license number of Dr. John Walter Davison Iii is 0810003839 for Clinical Psychology in Virginia. His current practice location is 50 Irving St Nw, Washington. Patients can contact him at 202-745-8000. Dr. John Walter Davison Iii, M.B.A., PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1407040579.

Dr. John Walter Davison 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. John Walter Davison 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. John Walter Davison Iii
Specialization Clinical Psychology
Credentials M.B.A., PH.D.
Gender Male
Practice Address: 50 Irving St Nw,
Washington, DC - 20422-0001

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 Number1407040579
NPI Enumeration Date: 31 Aug, 2007
NPI Last Update On: 31 Aug, 2007

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. John Walter Davison Iii are as mentioned below.

License NumberSpecializationStateStatus
0810003839Clinical 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.

Dr. John Walter Davison Iii
Po Box 801,
Vienna, VA - 22183-0801
Phone: 703-894-7613

Book an Appointment with Dr. John Walter Davison Iii

To schedule an appointment, contact Dr. John Walter Davison Iii at 50 Irving St Nw, 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. John Walter Davison Iii:

Dr. John Walter Davison 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. John Walter Davison 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. John Walter Davison Iii practices at 50 Irving St Nw, Washington, District Of Columbia, 20422-0001.

To schedule an appointment with Dr. John Walter Davison Iii, please contact the office at 202-745-8000.

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