Psychologist | Clinical Psychology

Dr. Thomas Miller Simpson, PH.D.

11363 Sunset Hills Rd, Reston, Virginia, 20190-5205

About Dr. Thomas Miller Simpson

Dr. Thomas Miller Simpson is a psychologist based in Reston, Virginia who is specialized in Clinical Psychology. Active license number of Dr. Thomas Miller Simpson is 0810000913 for Clinical Psychology in Virginia. His current practice location is 11363 Sunset Hills Rd, Reston. Patients can contact him at 703-435-7063 or can fax him at 703-437-1908. Dr. Thomas Miller Simpson, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1699784843.

Dr. Thomas Miller Simpson 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. Thomas Miller Simpson'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. Thomas Miller Simpson
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 11363 Sunset Hills Rd,
Reston, VA - 20190-5205
Fax 703-437-1908

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 Number1699784843
NPI Enumeration Date: 05 Aug, 2006
NPI Last Update On: 08 Jul, 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. Thomas Miller Simpson are as mentioned below.

License NumberSpecializationStateStatus
0810000913Clinical 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. Thomas Miller Simpson
11363 Sunset Hills Rd,
Reston, VA - 20190-5205
Phone: 703-435-7063
Fax: 703-437-1908

Book an Appointment with Dr. Thomas Miller Simpson

To schedule an appointment, contact Dr. Thomas Miller Simpson at 11363 Sunset Hills Rd, Reston, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Thomas Miller Simpson:

Dr. Thomas Miller Simpson 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. Thomas Miller Simpson 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. Thomas Miller Simpson practices at 11363 Sunset Hills Rd, Reston, Virginia, 20190-5205.

To schedule an appointment with Dr. Thomas Miller Simpson, please contact the office at 703-435-7063.

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