Individual provider Active NPI

Emil Von Arx III, M. D.

  • Surgery Physician
  • Washington, DC
National Provider Identifier
1801915111
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
0101026028 Issued in VA
Practice address
Medical Services Dept of State
2401 E Street NW
Washington, DC 20522-0001
Phone
(703) 875-5411
Fax
(703) 875-5414
NPI assigned
Mar 28, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 0101026028 VA
Surgery Physician 208600000X 0101026028 VA Primary

Addresses

Primary practice location

Medical Services Dept of State
2401 E Street NW
Washington, DC 20522-0001

Mailing address

12701 Lamp Post LN
Potomac, MD 20854-2317
Phone (301) 838-9284

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
0101026028VAMDFamily Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1175040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1801915111",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12701 LAMP POST LN",
            "city": "POTOMAC",
            "state": "MD",
            "postal_code": "208542317",
            "telephone_number": "301-838-9284",
            "fax_number": "301-838-9284"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "MEDICAL SERVICES DEPT OF STATE",
            "address_2": "2401 E STREET NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "205220001",
            "telephone_number": "703-875-5411",
            "fax_number": "703-875-5414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VON ARX",
        "first_name": "EMIL",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "M. D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-28",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101026028",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "VA",
            "license": "0101026028",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

  • 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.