Marc C. Donahue, MD

Medicare activity in 2024

Official CMS public-use data for Marc C. Donahue, 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. Anesthesia for other procedure on large bowel using an endoscope (00811)58 services
2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)21 services
3. Anesthesia for procedure on small and large bowel using an endoscope (00813)21 services
4. Anesthesia for exam of colon using an endoscope (00812)20 services
5. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)20 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 cholesterol75%
• High blood pressure69%
• Arthritis64%
• Ischemic heart disease26%
• Diabetes22%
• Anxiety19%

Hospitals where Marc C. Donahue works

Medicare's Facility Affiliation Data lists Marc C. Donahue 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.

• Midwestern Region Medical Center, IncZion, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140100

Practice locations

Addresses where Marc C. Donahue is enrolled with Medicare (CMS data updated October 2, 2026).

• 1900 Hollister Dr, Suite 100Libertyville, IL 60048 (847) 367‑8100
• 2520 Elisha AveZion, IL 60099 (847) 872‑4561
• 2900 N Lake Shore DrChicago, IL 60657 (773) 665‑3000

Group practices

Medicare enrollment lists Marc C. Donahue as a member of these groups (CMS data updated October 2, 2026).

• City of Hope Medical Group of Illinois PLLC129 clinicians in the group
• Midwest Anesthesia Partners LLC119 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Libertyville

Clinicians with the same Medicare primary specialty in Libertyville, IL — not a recommendation.

• Anthony T. Tantoco, MD
• Steven C. Marquardt, MD
• Rajat Gupta, MD
• Jimmy K. Park, MD
• Todd H. Patterson, DO
• Kimberly L. Kesner, MD
• Shweta Narang, MD
• Eileen M. Grubb, MD

All anesthesiologists in Libertyville →

Other clinicians in City of Hope Medical Group of Illinois PLLC

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

• Aaron T. Pelletier, MD
• Julian C. Schink, MD
• Jason Robin, MD
• Allison Murray, MD
• Karen M. Smorowski, MD
• Kayla M. Morgiewicz

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