Individual provider Active NPI

John Anthony James Barkmeyer

  • Clinical Social Worker
  • Falls Church, VA
National Provider Identifier
1508771551
Registry record updated Aug 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
Practice address
400 N Washington St Ste 301
Falls Church, VA 22046-3433
Phone
(703) 424-9166
NPI assigned
Aug 15, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X VA Primary

Addresses

Primary practice location

400 N Washington St Ste 301
Falls Church, VA 22046-3433

Mailing address

409 Prospect St Unit 201
New Haven, CT 06511-2167

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

NPI Registry JSON

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

{
    "created_epoch": "1786752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786752000000",
    "number": "1508771551",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "409 PROSPECT ST UNIT 201",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065112167"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 N WASHINGTON ST STE 301",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220463433",
            "telephone_number": "703-424-9166"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARKMEYER",
        "first_name": "JOHN",
        "middle_name": "ANTHONY JAMES",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-15",
        "last_updated": "2026-08-15",
        "certification_date": "2026-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "VA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Falls Church, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 15, 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.