Individual
DR. DIANNA E. WASHINGTON
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
F
Credential
PH.D
Contact information
Practice address
8811 COLESVILLE RD, SUITE 105, SILVER SPRING, MD 20910-4343
(301) 587-8307
Mailing address
14547 JAYSTONE DR, SILVER SPRING, MD 20905-7404
(301) 587-8307
Taxonomy
Speciality
Code
Description
License number
State
103T00000X
Psychologist
01771
MD
103T00000X
Psychologist
Primary
1317
DC
103TC0700X
Clinical Psychologist
01771
MD
103TC0700X
Clinical Psychologist
1317
DC
Other
Enumeration date
02/13/2007
Last updated
09/11/2025
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