Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Margaret A. Oliver, MD

Works at hospitals in Durham, NC · North Carolina

Summary

Dr. Margaret A. Oliver, MD is an internal medicine doctor at 2301 Erwin Rd, Durham, NC 27705. Phone: (919) 684-8111. Accepts Medicare assignment. NPI 1699479188. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2301 Erwin Rd, Durham, NC 27705 · Directions (2 more locations)
  • Phone: (919) 684‑8111
  • Medicare: Accepts Medicare assignment
  • Hospital: Duke University Hospital
  • Group practice: Duke University Health System, Inc
  • Medical school: University Of South Carolina School Of Medicine, Greenville · graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret A. Oliver, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Margaret A. Oliver accept Medicare assignment?
Yes. Medicare's clinician data says Margaret A. Oliver accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Margaret A. Oliver's NPI number?
1699479188. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Margaret A. Oliver works

Medicare's Facility Affiliation Data lists Margaret A. Oliver at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Margaret A. Oliver is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Margaret A. Oliver as a member of this group (CMS data updated October 2, 2026).

  • Duke University Health System, Inc1,102 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Durham

Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.

All internal medicine doctors in Durham →

Other clinicians in Duke University Health System, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine, Greenville
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699479188
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians