Melissa G. Medina, MD

Medicare activity in 2024

Official CMS public-use data for Melissa G. Medina, 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. Harvest of vein using an endoscope (33508)26 services
2. Coronary artery bypass using artery graft, 1 graft (33533)23 services
3. Coronary artery bypass using vein or artery graft, 2 grafts (33518)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 cholesterol75%
• Ischemic heart disease75%
• Heart failure75%
• Chronic kidney disease65%
• Atrial fibrillation63%

Hospitals where Melissa G. Medina works

Medicare's Facility Affiliation Data lists Melissa G. Medina 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.

• Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281

Practice locations

Addresses where Melissa G. Medina is enrolled with Medicare (CMS data updated October 2, 2026).

• 675 N St Clair, 100 Dept of CardiologyChicago, IL 60611 (312) 695‑4965

Group practices

Medicare enrollment lists Melissa G. Medina as a member of this group (CMS data updated October 2, 2026).

• Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

• Cardiac Surgeryprimary
• Thoracic Surgeryalso

Find other Cardiac Surgery doctors in Illinois →

Other cardiac surgeons in Chicago

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

• Patrick M. McCarthy, MD
• Nina Delavari, DO
• Antone J. Tatooles, MD
• George T. Hodakowski, MD
• Eijiro Yamashita, MD
• Allison B. Davila, MD
• Allison R. Beckett, MD
• Chadrick A. Cross, MD

All cardiac surgeons in Chicago →

Other clinicians in Northwestern Medical Faculty Foundation

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

• David Mann, MD
• Jenna Gartz, NP
• Seth T. Kay, MD
• Nida Hussain, MD
• Eric W. Schaefer, MD
• Zachary J. Craig, 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