Organization Active NPI

Monarc, LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Aberdeen, MD
National Provider Identifier
1538051198
Registry record updated Aug 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
Legal business name
MONARC, LLC
Practice address
4513 Philadelphia Rd
Aberdeen, MD 21001-1501
Phone
(443) 412-5005
Fax
(443) 951-6159
NPI assigned
Jul 17, 2025
Last updated
Aug 3, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 3, 2026

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

Authorized official

Name
Margaret Webb, CRNP-PMHNPI 1235739558
Title
Executive Director
Phone
(443) 412-5005

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X NU
Clinical Social Worker 1041C0700X NU
Psychiatric/Mental Health Nurse Practitioner 363LP0808X NU Primary

Addresses

Primary practice location

4513 Philadelphia Rd
Aberdeen, MD 21001-1501

Mailing address

4513 Philadelphia Rd
Aberdeen, MD 21001-1501
Phone (443) 412-5005

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260310000009 MD Part B Supplier - Clinic/Group Practice 8921581901 Receives reassigned benefits from 4 practitioners
Practice locations: Aberdeen, MD

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
21D2330488Monarc LLC4513 Philadelphia Rd, Aberdeen, MD 21001Certificate of waiverSep 16, 2027

National Provider Directory

National Provider Directory

Locations

4513 Philadelphia Rd
Aberdeen, MD 21001
Phone (443) 412-5005

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1752710400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785715200000",
    "number": "1538051198",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4513 PHILADELPHIA RD",
            "city": "ABERDEEN",
            "state": "MD",
            "postal_code": "210011501",
            "telephone_number": "443-412-5005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4513 PHILADELPHIA RD",
            "city": "ABERDEEN",
            "state": "MD",
            "postal_code": "210011501",
            "telephone_number": "443-412-5005",
            "fax_number": "443-951-6159"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MONARC, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-17",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A",
        "authorized_official_last_name": "WEBB",
        "authorized_official_first_name": "MARGARET",
        "authorized_official_title_or_position": "EXECUTIVE DIRECTOR",
        "authorized_official_telephone_number": "443-412-5005",
        "authorized_official_credential": "CRNP-PMH"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aberdeen, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.