Psychologist | Clinical Psychology

Dr. Michelle Sullivan-gast, PSY.D.

3040 Williams Dr, Suite 402, Fairfax, Virginia, 22031-4618

About Dr. Michelle Sullivan-gast

Dr. Michelle Sullivan-gast is a psychologist based in Fairfax, Virginia who is specialized in Clinical Psychology. Active license number of Dr. Michelle Sullivan-gast is 0810004489 for Clinical Psychology in Virginia. Her current practice location is 3040 Williams Dr, Suite 402, Fairfax. Patients can contact her at 703-573-3573 or can fax her at 703-573-3574. Dr. Michelle Sullivan-gast, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1417227968.

Dr. Michelle Sullivan-gast 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. Michelle Sullivan-gast'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. Michelle Sullivan-gast
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 3040 Williams Dr, Suite 402
Fairfax, VA - 22031-4618
Fax 703-573-3574

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 Number1417227968
NPI Enumeration Date: 30 Dec, 2011
NPI Last Update On: 30 Dec, 2011

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. Michelle Sullivan-gast are as mentioned below.

License NumberSpecializationStateStatus
0810004489Clinical 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. Michelle Sullivan-gast
3040 Williams Dr, Suite 402
Fairfax, VA - 22031-4618
Phone: 703-573-3573
Fax: 703-573-3574

Book an Appointment with Dr. Michelle Sullivan-gast

To schedule an appointment, contact Dr. Michelle Sullivan-gast at 3040 Williams Dr, Suite 402, Fairfax, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Michelle Sullivan-gast:

Dr. Michelle Sullivan-gast 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. Michelle Sullivan-gast 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. Michelle Sullivan-gast practices at 3040 Williams Dr, Suite 402, Fairfax, Virginia, 22031-4618.

To schedule an appointment with Dr. Michelle Sullivan-gast, please contact the office at 703-573-3573.

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