Dr. Dianna E. Washington is a psychologist based in Silver Spring, Maryland who is specialized in Clinical Psychology. Active license number of Dr. Dianna E. Washington is 1317 for General Psychology in District Of Columbia. Her current practice location is 8811 Colesville Rd, Suite 105, Silver Spring. Patients can contact her at 301-587-8307. Dr. Dianna E. Washington, PH.D, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1376685842.
Dr. Dianna E. Washington 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. Dianna E. Washington'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. Dianna E. Washington
Specialization Clinical Psychology
Credentials PH.D
Gender Female
Practice Address: 8811 Colesville Rd, Suite 105 Silver Spring, MD - 20910-4343
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 Number1376685842
NPI Enumeration Date: 13 Feb, 2007
NPI Last Update On: 11 Sep, 2025
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. Dianna E. Washington are as mentioned below.
License NumberSpecializationStateStatus
1317General Psychology
District Of ColumbiaPrimary
01771Clinical Psychology
MarylandSecondary
1317Clinical Psychology
District Of ColumbiaSecondary
01771General Psychology
MarylandSecondary
Mailing Address
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.
Dr. Dianna E. Washington 14547 Jaystone Dr, Silver Spring, MD - 20905-7404 Phone: 301-587-8307
Book an Appointment with Dr. Dianna E. Washington
To schedule an appointment, contact Dr. Dianna E. Washington at 8811 Colesville Rd, Suite 105, Silver Spring, Maryland or call the phone number listed below.
Below are some commonly asked questions about Dr. Dianna E. Washington:
Dr. Dianna E. Washington is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.
Yes, Dr. Dianna E. Washington 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. Dianna E. Washington practices at 8811 Colesville Rd, Suite 105, Silver Spring, Maryland, 20910-4343.
To schedule an appointment with Dr. Dianna E. Washington, please contact the office at 301-587-8307.
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