Individual provider Active NPI

Margaret Lillian Fennell, MD

  • Internal Medicine Physician
  • Chapel Hill, NC
National Provider Identifier
1194390443
Registry record updated Nov 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2025-00230 Issued in NC
Practice address
118 Knox Way
Chapel Hill, NC 27516-6610
Phone
(984) 205-4603
Fax
(984) 215-5942
NPI assigned
May 20, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2025-00230 NC Primary
Pediatrics Physician 208000000X 2025-00230 NC

Addresses

Primary practice location

118 Knox Way
Chapel Hill, NC 27516-6610

Mailing address

Campus Box 7593
Chapel Hill, NC 27599-7593
Phone (919) 966-3172

Other names 1

  • Maggie Lillian Fennell Other name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mfennell726211@direct.UNC.nchie.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250625002970 NC Practitioner - Internal MedicinePractitioner - Pediatric Medicine 7315347002 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
University of Rochester School of Medicine and Dentistry, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Unc Physicians Network LLCGroup PAC ID 5496940546, 985 clinicians

Practice addresses (Care Compare)

101 Manning Dr
Chapel Hill, NC 27514-4220
Phone (984) 974-1000

118 Knox Way
Chapel Hill, NC 27516-6610
Phone (919) 960-6094

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Unc Physicians Network LLC Current Accepting new patients
Onslow Memorial Hospital Inc CurrentSince Jul 22, 2025 Accepting new patients
University of North Carolina at Chapel Hill Internal Medicine CurrentSince Jun 25, 2025 Accepting new patients
Unc Physicians Network LLC Internal Medicine CurrentSince Jun 24, 2025 Accepting new patients

Locations

940 Martin Luther King Jr Blvd
Chapel Hill, NC 27514
Phone (919) 942-5123

101 Manning Dr
Chapel Hill, NC 27514
Phone (984) 974-1485

118 Knox Way
Chapel Hill, NC 27516
Phone (984) 205-4603

317 Western Blvd
Jacksonville, NC 28546
Phone (910) 577-2240

5221 Paramount Pkwy
Ste 220
Morrisville, NC 27560
Phone (984) 215-4110

Interoperability endpoints

  • Direct secure messaging: mfennell726211@direct.unc.nchie.net
  • Direct secure messaging: mfennell354962@directhisp.wakemed.org

Organizations & group practices 4

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

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1621468800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763769600000",
    "number": "1194390443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "CAMPUS BOX 7593",
            "city": "CHAPEL HILL",
            "state": "NC",
            "postal_code": "275997593",
            "telephone_number": "919-966-3172",
            "fax_number": "919-966-8419"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "118 KNOX WAY",
            "city": "CHAPEL HILL",
            "state": "NC",
            "postal_code": "275166610",
            "telephone_number": "984-205-4603",
            "fax_number": "984-215-5942"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FENNELL",
        "first_name": "MARGARET",
        "middle_name": "LILLIAN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-05-20",
        "last_updated": "2025-11-22",
        "certification_date": "2025-11-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2025-00230",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NC",
            "license": "2025-00230",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mfennell726211@direct.UNC.nchie.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "118 Knox Way",
            "city": "Chapel Hill",
            "state": "NC",
            "country_code": "US",
            "postal_code": "275166610",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MAGGIE",
            "last_name": "FENNELL",
            "middle_name": "LILLIAN",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Chapel Hill, NC

Sources for this page

Verify at the official NPI Registry.