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MARGARET LILLIAN FENNELL MD
NPI 1194390443
Internal Medicine in Chapel Hill, NC

Active since May 20, 2021PECOS EnrolledAccepts Medicare Assignment
118 KNOX WAY, CHAPEL HILL, NC 27516(984) 205-4603(984) 215-5942 Get Directions Write a Review

NPPES record last updated: November 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 22, 2025, Feb 12, 2025, May 20, 2021 (3 updates tracked since 2021).

About Margaret Lillian Fennell Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET LILLIAN FENNELL MD (NPI 1194390443) is an individual internal medicine provider in Chapel Hill, North Carolina, licensed in North Carolina (2025-00230) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2021).

NPPES Registry Identity

NPI1194390443
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGARET LILLIAN FENNELLCredential: MD
Location Address118 KNOX WAYChapel Hill, NC 27516-6610
Mailing AddressCampus Box 7593Chapel Hill, NC 27599-7593 · (919) 966-3172 · Fax (919) 966-8419
Phone(984) 205-4603
Fax(984) 215-5942
Sole ProprietorYes
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2021
Enumeration DateMay 20, 2021
Last NPPES UpdateNovember 22, 20253 updates tracked since enumeration
NPPES CertifiedNovember 22, 2025
✔ NPI 1194390443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NC · 2025-00230
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 2025-00230 (NC)
118 KNOX WAY, Chapel Hill, NC 27516
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Other Names 1

Other Name (5)Maggie Lillian Fennell

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Lillian Fennell Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315347002
PECOS Enrollment IDI20250625002970
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340061
Location101 Manning DriveChapel Hill, NC 27514 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27516 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEASIA SYTEENA WITHERSPOON MD
Student in an Organized Health Care Education/Training Program
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900
ANNA KENAN MD
Student in an Organized Health Care Education/Training Program
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900
HEATHER ASHLEY VICTORIA SWAIN MD
Student in an Organized Health Care Education/Training Program
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900
DEEPTHI GOWRISHANKAR
Student in an Organized Health Care Education/Training Program
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5942
ASHLEY NICOLE LOUPE
Nurse Practitioner (Psychiatric/Mental Health)
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900
MEGAN FITZPATRICK HOPPENS MD
Pediatrics
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900
CAROLINE REPETTI MD
Student in an Organized Health Care Education/Training Program
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900
KATLYN LEE BUTTENFIELD
Dietitian, Registered
118 KNOX WAY
CHAPEL HILL, NC 27516
Orange County (984) 215-5900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Fennell's NPI number?

The NPI number for Margaret Fennell is 1194390443. It was assigned to this individual provider in the NPPES registry on May 20, 2021. The provider is also known as Maggie Lillian Fennell.

Where is Margaret Fennell located?

Margaret Fennell practices at 118 Knox Way, Chapel Hill, NC 27516. The listed phone number is (984) 205-4603.

What is Margaret Fennell's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Margaret Fennell enrolled in Medicare?

Yes. Margaret Fennell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Margaret Fennell accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Margaret Fennell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Margaret Fennell affiliated with any hospitals?

According to CMS data, Margaret Fennell is affiliated with Unc Hospitals.

When was this NPI record last updated?

The NPPES record for Margaret Fennell was last updated on November 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.