Gregory W Lyn

Primary specialty

Personal Care AttendantTaxonomy code 3747P1801X

Practice address

4319 New Hampshire Ave NW
Washington, DC 20011-4729

Phone

(301) 919-1366

NPI assigned

Apr 28, 2026

Sex

Male

Sole proprietor

Yes

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)

Not enrolled

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

{
    "created_epoch": "1777334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1194661397",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4319 NEW HAMPSHIRE AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200114729",
            "telephone_number": "301-919-1366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4319 NEW HAMPSHIRE AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200114729",
            "telephone_number": "301-919-1366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYN",
        "first_name": "GREGORY",
        "middle_name": "W",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-04-28",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "3747P1801X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Technician, Personal Care Attendant",
            "state": "DC",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sierra Lynn Lyles, MD
• Tiera R Lyles
• William Lyles
• Matthew James Lyman, PMHNP, ANP, LICSW
• Natalie Lyman
• Sanique Lyn
• Matthew Lynberg
• Alexandra Rose Lynch, RN
• Bernice Lynch
• Carol Lynch

• Personal Care Attendant in Washington, DC
• Providers in Washington, DC by specialty
• Personal Care Attendant in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.