Individual provider Active NPI

Martha Gillis Delafield, LCSW

  • Clinical Social Worker
  • Apex, NC
National Provider Identifier
1629010939
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
000486 Issued in NC
Practice address
336 John Horton Rd
Apex, NC 27523-2702
Phone
(919) 781-1707
NPI assigned
Jun 12, 2006
Sex
Female
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
Clinical Social Worker 1041C0700X 000486 NC Primary

Addresses

Primary practice location

336 John Horton Rd
Apex, NC 27523-2702

Mailing address

336 John Horton Rd
Apex, NC 27523-2702
Phone (919) 781-1707

Other identifiers 1

IdentifierTypeStateIssuer
35560OtherNCBCBS

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

State licenses

LicenseStateTypeSpecialty
000486NCMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1629010939",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "336 JOHN HORTON RD",
            "city": "APEX",
            "state": "NC",
            "postal_code": "275232702",
            "telephone_number": "919-781-1707"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "336 JOHN HORTON RD",
            "city": "APEX",
            "state": "NC",
            "postal_code": "275232702",
            "telephone_number": "919-781-1707"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DELAFIELD",
        "first_name": "MARTHA",
        "middle_name": "GILLIS",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NC",
            "license": "000486",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "35560",
            "state": "NC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Apex, NC

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.