Rosemary Iwunze, MD

Medicare activity in 2024

Official CMS public-use data for Rosemary Iwunze, 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. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)190 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)167 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)80 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)71 services
5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)65 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 cholesterol75%
• Arthritis63%
• Diabetes51%
• Ischemic heart disease50%
• Chronic kidney disease50%

Hospitals where Rosemary Iwunze works

Medicare's Facility Affiliation Data lists Rosemary Iwunze 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.

• Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490022
• Stafford Hospital, LLCStafford, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490140

Practice locations

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

• 1101 Sam Perry BlvdFredericksburg, VA 22401 (540) 374‑3277

Group practices

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

• Mary Washington Healthcare Physicians282 clinicians in the group

Specialties

• Infectious Diseaseprimary
• Internal Medicinealso

Find other Infectious Disease doctors in Virginia →

Other infectious disease doctors in Fredericksburg

Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.

• Moulika Baireddy, DO
• Yoseph Birku, MD
• Maduka Nnadozie, MD
• Norman D. Bernstein, MD
• Awol Y. Ali, MD

All infectious disease doctors in Fredericksburg →

Other clinicians in Mary Washington Healthcare Physicians

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

• Jennifer Mijango, NP
• Izzah Vasim, MD
• Helen M. Jarrett
• Lisa J. Sarber, MD
• Eric Chang, MD
• Harry G. Oldland, 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