Ioana Antonescu, MD

Medicare activity in 2024

Official CMS public-use data for Ioana Antonescu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Critical care, first 30-74 minutes (99291)105 services
2. Critical care, each additional 30 minutes (99292)57 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)31 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol71%
• Ischemic heart disease52%
• Arthritis49%
• Diabetes48%
• Chronic kidney disease45%

Hospitals where Ioana Antonescu works

Medicare's Facility Affiliation Data lists Ioana Antonescu 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.

• Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030

Practice locations

Addresses where Ioana Antonescu is enrolled with Medicare (CMS data updated October 2, 2026).

• 3400 Wake Forest Rd, Suite 310Raleigh, NC 27609 (919) 620‑4855
• 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111

Group practices

Medicare enrollment lists Ioana Antonescu as a member of this group (CMS data updated October 2, 2026).

• Duke Health Integrated Practice, Inc3,185 clinicians in the group

Specialties

• Vascular Surgeryprimary

Find other Vascular Surgery doctors in North Carolina →

Other vascular surgeons in Raleigh

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

• Ruosu An, MD
• Christopher R. Longo, MD
• Michael R. Hall, MD
• Jacek J. Paszkowiak, MD
• Kirk L. Charles, MD
• Janice H. Messier, MD
• Brian F. Gilmore, MD
• Chandler A. Long, MD

All vascular surgeons in Raleigh →

Other clinicians in Duke Health Integrated Practice, Inc

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

• Victoria M. Parente, MD
• Andrew B. Cutler, MD
• Todd M. Gerkin, MD
• Richard F. Riedel, MD
• Caroline E. Sloan, MD
• Kenneth S. Ellington, MD

Clinician information

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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians