Mary Katherine Troyer, RN

Primary specialty

Critical Care Medicine Registered NurseTaxonomy code 163WC0200X

License

L1-0052381 Issued in DE

Practice address

640 S State St
Dover, DE 19901-3530

Phone

(302) 674-4700

NPI assigned

Mar 4, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1772582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1033064043",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "60 FRANCES LORENA DR",
            "city": "DOVER",
            "state": "DE",
            "postal_code": "199041876"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "640 S STATE ST",
            "city": "DOVER",
            "state": "DE",
            "postal_code": "199013530",
            "telephone_number": "302-674-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TROYER",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-04",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "DE",
            "license": "L1-0052381",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Raymond Harrel Tribble, LMSW
• Trinity III Family Outreach
• Tristate Tesla Imaging LLC
• Alton A Trott, D.O.
• Edward Ashley Trott, MD
• Johanna Marie Truax
• Terrence C Tsui, DO
• Kayla Tuala
• Denayne Tucker
• Amy Kathryn Tullis, PT, MPT

• Critical Care Medicine Registered Nurse in Dover, DE
• Providers in Dover, DE by specialty
• Critical Care Medicine Registered Nurse in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 2026; 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.