Psychologist | Clinical Psychology

Dr. Sally Singer Horwatt, PH.D.

1800 Town Center Dr, Suite 216, Reston, Virginia, 20190-3238

About Dr. Sally Singer Horwatt

Dr. Sally Singer Horwatt is a psychologist based in Reston, Virginia who is specialized in Clinical Psychology. Active license number of Dr. Sally Singer Horwatt is 0810000918 for Clinical Psychology in Virginia. Her current practice location is 1800 Town Center Dr, Suite 216, Reston. Patients can contact her at 703-435-4741 or can fax her at 703-435-5881. Dr. Sally Singer Horwatt, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1609945583.

Dr. Sally Singer Horwatt 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. Sally Singer Horwatt'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. Sally Singer Horwatt
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 1800 Town Center Dr, Suite 216
Reston, VA - 20190-3238
Fax 703-435-5881

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 Number1609945583
NPI Enumeration Date: 07 Nov, 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. Sally Singer Horwatt are as mentioned below.

License NumberSpecializationStateStatus
0810000918Clinical Psychology VirginiaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Sally Singer Horwatt such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
73747596OtherVirginiaUNITED BEHAVIORAL HEALTH
4602666OtherVirginiaAETNA
B386OtherDistrict Of ColumbiaGHMSI

Mailing Address

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

Dr. Sally Singer Horwatt
1800 Town Center Drive, Suite 216
Reston, VA - 20190-3238
Phone: 703-435-4741
Fax: 703-435-5881

Book an Appointment with Dr. Sally Singer Horwatt

To schedule an appointment, contact Dr. Sally Singer Horwatt at 1800 Town Center Dr, Suite 216, Reston, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Sally Singer Horwatt:

Dr. Sally Singer Horwatt 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. Sally Singer Horwatt 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. Sally Singer Horwatt practices at 1800 Town Center Dr, Suite 216, Reston, Virginia, 20190-3238.

To schedule an appointment with Dr. Sally Singer Horwatt, please contact the office at 703-435-4741.

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