Janet L. Phelan, MD

Medicare activity in 2024

Official CMS public-use data for Janet L. Phelan, 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. Insertion of probe in esophagus for heart ultrasound (93313)42 services
2. Anesthesia for heart artery bypass grafting on heart-lung machine (00567)26 services
3. Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) (00562)22 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%
• Ischemic heart disease75%
• Heart failure74%
• Chronic kidney disease64%
• Atrial fibrillation60%

Hospitals where Janet L. Phelan works

Medicare's Facility Affiliation Data lists Janet L. Phelan 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.

• Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208

Practice locations

Addresses where Janet L. Phelan is enrolled with Medicare (CMS data updated October 2, 2026).

• 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
• 4440 W 95th StOak Lawn, IL 60453

Group practices

Medicare enrollment lists Janet L. Phelan as a member of this group (CMS data updated October 2, 2026).

• Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

• Anesthesiologyprimary
• Interventional Pain Managementalso

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Buffalo Grove

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

• Loue Nassar, MD
• Donna M. Rajchert, MD
• Ravi Narasimhan, MD
• Eugene M. Villa, MD
• Anwuli O. Okoli, MD
• Kingsley Nwokelo, MD
• Raghavender Thunga, MD
• Aladino Deranieri, MD

All anesthesiologists in Buffalo Grove →

Other clinicians in Advocate Health and Hospitals Corporation

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

• Jason Y. Ross, MD
• Monica J. Uceda Arriola, MD
• Rudy S. Suidan, MD
• Dena Els, MD
• Lubna L. Piracha, MD
• Peggy J. Teske, NP

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