Individual provider Active NPI

Margaret Jane Dwyer, LCSW-C

  • Clinical Social Worker
  • Frederick, MD
National Provider Identifier
1588252001
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
18547 Issued in MD
Practice address
201 Broadway St Ste 110
Frederick, MD 21701-6696
Phone
(443) 440-5780
NPI assigned
Jan 10, 2021
Last updated
Sep 2, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 18547 MD
Clinical Social Worker 1041C0700X 18547 MD Primary

Addresses

Primary practice location

201 Broadway St Ste 110
Frederick, MD 21701-6696

Mailing address

1413 Key Pkwy Apt A3
Frederick, MD 21702-9038
Phone (973) 525-5625

Other names 1

  • Margaret Jane Patterson Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL mpattersonLMSW

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
18547MDMDOrthodontics and Dentofacial Orthopedic Dentist

NPI Registry JSON

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

{
    "created_epoch": "1610236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1588252001",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1413 KEY PKWY APT A3",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217029038",
            "telephone_number": "973-525-5625"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 BROADWAY ST STE 110",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217016696",
            "telephone_number": "443-440-5780"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DWYER",
        "first_name": "MARGARET",
        "middle_name": "JANE",
        "credential": "LCSW-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-01-10",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MD",
            "license": "18547",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "18547",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "mpattersonLMSW",
            "affiliation": "N",
            "address_1": "201 Broadway St Ste 110",
            "city": "Frederick",
            "state": "MD",
            "country_code": "US",
            "postal_code": "217016696",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "PATTERSON",
            "middle_name": "JANE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Frederick, MD

Sources for this page

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