Dianna E. Washington, PH.D

Primary specialty

PsychologistTaxonomy code 103T00000X

License

1317 Issued in DC

Practice address

8811 Colesville Rd
Suite 105
Silver Spring, MD 20910-4343

Phone

(301) 587-8307

NPI assigned

Feb 13, 2007

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Jan 1, 2014 through Jan 1, 2028

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1171324800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1376685842",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14547 JAYSTONE DR",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209057404",
            "telephone_number": "301-587-8307"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8811 COLESVILLE RD",
            "address_2": "SUITE 105",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209104343",
            "telephone_number": "301-587-8307"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WASHINGTON",
        "first_name": "DIANNA",
        "middle_name": "E.",
        "name_prefix": "Dr.",
        "credential": "PH.D",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-02-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MD",
            "license": "01771",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "DC",
            "license": "1317",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": "01771",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "DC",
            "license": "1317",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Washington Pastoral Counseling Service
• Washington Pediatric Dental
• Washington Surgery Center, LLC.
• Aisjah Washington
• Char Ray Ann Washington, RN,BSN
• Jesika Monet Washington, RBT
• Monetress Lashay Washington
• Natalie Marie Washington
• Viktoriya Washington
• Erika Lynn Wasserman, PH.D.

• Psychologist in Silver Spring, MD
• Providers in Silver Spring, MD by specialty
• Psychologist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.