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DR. NANCY M. MCGREAL M.D.
NPI 1457578023
Internal Medicine - Gastroenterology in Durham, NC

Active since April 18, 2007PECOS EnrolledAccepts Medicare Assignment
200 TRENT DRIVE, DUMC 3913, DURHAM, NC 27710(919) 684-1817(919) 681-8147 Get Directions Write a Review

NPPES record last updated: November 12, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 12, 2024, Sep 14, 2021 (2 updates tracked since 2021).

About Dr. Nancy M. Mcgreal M.d. NPPES

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

DR. NANCY M. MCGREAL M.D. (NPI 1457578023) is an individual gastroenterology provider in Durham, North Carolina, licensed in North Carolina (2009-01439) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Moses H. Cone Memorial Hospital, The, and maintains a secondary practice location in Greensboro.

NPPES Registry Identity

NPI1457578023
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. NANCY M. MCGREALCredential: M.D.
Location Address200 TRENT DRIVE, DUMC 3913Durham, NC 27710
Mailing Address200 Trent Drive, Dumc 3913Durham, NC 27710 · (919) 684-1817 · Fax (919) 681-8147
Phone(919) 684-1817
Fax(919) 681-8147
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2000
Enumeration DateApril 18, 2007
Last NPPES UpdateNovember 12, 20242 updates tracked since enumeration
NPPES CertifiedNovember 12, 2024
✔ NPI 1457578023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NC · 2009-01439
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X · License 2009-1439 (NC)
200 TRENT DRIVE, Durham, NC 27710
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Secondary Practice Location 1

Location 1520 N Elam AveGreensboro, NC 27403-1127 · Phone (336) 547-1745

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Blue Cross and Blue Shield of NC, Cigna Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nancy M. Mcgreal M.d. 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 ID6002976883
PECOS Enrollment IDI20090903000062
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.

Medicare Billing Reassignment

Medicare enrollment records show Nancy Mcgreal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Moses Cone Medical Services, Inc.
48 mi
Internal Medicine
1200 N ELM ST
Greensboro, NC 27401
  • Reassigned Medicare billing, North Carolina enrollment
  • 351 clinicians in this Medicare group
NPI 1427095249 (336) 832-9943

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
50 services50 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
44 services44 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services26 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
22 services22 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Moses H. Cone Memorial Hospital, The

Acute Care Hospitals · Greensboro, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340091
Location1200 N Elm StGreensboro, NC 27401 · Guilford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27710 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims341 services$4.11 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims638 services$0.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

DR. JOANNA RUTH KIPNES M.D.
Internal Medicine
200 TRENT DRIVE, DUKE UNIVERSITY MEDICAL CENTER
DURHAM, NC 27710
Durham County (919) 681-8263

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 Nancy Mcgreal's NPI number?

The NPI number for Nancy Mcgreal is 1457578023. It was assigned to this individual provider in the NPPES registry on April 18, 2007.

Where is Nancy Mcgreal located?

Nancy Mcgreal practices at 200 Trent Drive Dumc 3913, Durham, NC 27710. The listed phone number is (919) 684-1817.

What is Nancy Mcgreal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Nancy Mcgreal enrolled in Medicare?

Yes. Nancy Mcgreal 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.

Which organization bills Medicare for Nancy Mcgreal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Mcgreal reassigns Medicare benefits to Moses Cone Medical Services, Inc. (Greensboro, NC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nancy Mcgreal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Mcgreal accept?

Health plans from AmeriHealth Caritas Next, Blue Cross and Blue Shield of NC, Cigna Healthcare and UnitedHealthcare list Nancy Mcgreal 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 Nancy Mcgreal affiliated with any hospitals?

According to CMS data, Nancy Mcgreal is affiliated with Moses H. Cone Memorial Hospital, The.

When was this NPI record last updated?

The NPPES record for Nancy Mcgreal was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.