Mary Donnelly, PH.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

1829 Issued in DC

Practice address

3800 Denfeld Ave
Kensington, MD 20895-1603

Phone

(301) 933-8146

Fax

(202) 508-1795

NPI assigned

Mar 19, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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": "1174262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1932223393",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 DENFELD AVE",
            "city": "KENSINGTON",
            "state": "MD",
            "postal_code": "208951603",
            "fax_number": "202-508-1795"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 DENFELD AVE",
            "city": "KENSINGTON",
            "state": "MD",
            "postal_code": "208951603",
            "telephone_number": "301-933-8146",
            "fax_number": "202-508-1795"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DONNELLY",
        "first_name": "MARY",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-19",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": "1862",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "DC",
            "license": "1829",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "VA",
            "license": "1854",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.