DR. DIANNA E. WASHINGTON PH.D
NPI 1376685842
Psychologist in Silver Spring, MD
About Dr. Dianna E. Washington Ph.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANNA E. WASHINGTON PH.D (NPI 1376685842) is an individual psychologist in Silver Spring, Maryland, licensed in District Of Columbia (1317) and active in the NPI registry since February 2007. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. Dianna E. Washington Ph.d has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2014 through January 1, 2028.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SILVER SPRING, MD 20910
SILVER SPRING, MD 20910
SILVER SPRING, MD 20910
SILVER SPRING, MD 20910
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dianna Washington's NPI number?
The NPI number for Dianna Washington is 1376685842. It was assigned to this individual provider in the NPPES registry on February 13, 2007.
Where is Dianna Washington located?
Dianna Washington practices at 8811 Colesville Rd Suite 105, Silver Spring, MD 20910. The listed phone number is (301) 587-8307.
What is Dianna Washington's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Dianna Washington enrolled in Medicare?
No. Dianna Washington has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for Dianna Washington was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.