Individual provider Active NPI

Davill Armstrong, M.D.

  • Legal Medicine
  • Houston, TX
National Provider Identifier
1821098161
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Legal MedicineTaxonomy code 173000000X
License
F3025 Issued in TX
Practice address
6826 W Montgomery Rd
Houston, TX 77091-2220
Phone
(713) 692-1000
Fax
(713) 692-1007
NPI assigned
Jul 28, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Legal Medicine 173000000X F3025 TX Primary

Addresses

Primary practice location

6826 W Montgomery Rd
Houston, TX 77091-2220

Mailing address

6826 W Montgomery Rd
Houston, TX 77091-2220
Phone (713) 692-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
F3025TXMDLegal Medicine

NPI Registry JSON

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

{
    "created_epoch": "1122508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1821098161",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6826 W MONTGOMERY RD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770912220",
            "telephone_number": "713-692-1000",
            "fax_number": "713-692-1007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6826 W MONTGOMERY RD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770912220",
            "telephone_number": "713-692-1000",
            "fax_number": "713-692-1007"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "DAVILL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "173000000X",
            "taxonomy_group": "",
            "desc": "Legal Medicine",
            "state": "TX",
            "license": "F3025",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.