Individual provider Active NPI

Margaret Maire Dillon, LCSW

  • Clinical Social Worker
  • Denver, CO
National Provider Identifier
1013514389
Registry record updated Jun 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
CSW.09929706 Issued in CO
Practice address
990 W 41St Ave Unit 805
Denver, CO 80211-2598
Phone
(419) 344-7393
NPI assigned
Oct 8, 2020
Last updated
Jun 2, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 2, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X L11676 OR
Clinical Social Worker 1041C0700X 3461571 ID
Clinical Social Worker 1041C0700X CSW.09929706 CO Primary

Addresses

Primary practice location

990 W 41St Ave Unit 805
Denver, CO 80211-2598

Mailing address

990 W 41St Ave Unit 805
Denver, CO 80211-2598
Phone (419) 344-7393

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
CSW.09929706COMDClinical Social Worker
3461571IDMDClinical Social Worker
L11676ORMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Youth Villages PastSince Oct 1, 2020 Accepting new patients
Youth Villages PastSince Oct 1, 2020 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1602115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748822400000",
    "number": "1013514389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "990 W 41ST AVE UNIT 805",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802112598",
            "telephone_number": "419-344-7393"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "990 W 41ST AVE UNIT 805",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802112598",
            "telephone_number": "419-344-7393"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DILLON",
        "first_name": "MARGARET",
        "middle_name": "MAIRE",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-10-08",
        "last_updated": "2025-06-02",
        "certification_date": "2025-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "OR",
            "license": "L11676",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "ID",
            "license": "3461571",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CO",
            "license": "CSW.09929706",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.