Ruheri Perez Tamayo, MD

Medicare activity in 2024

Official CMS public-use data for Ruheri Perez Tamayo, 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. Replacement of aortic valve through the skin and femoral artery (33361)34 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)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 blood pressure67%
• High cholesterol65%
• Ischemic heart disease63%
• Heart failure44%
• Arthritis40%
• Atrial fibrillation40%

Hospitals where Ruheri Perez Tamayo works

Medicare's Facility Affiliation Data lists Ruheri Perez Tamayo 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.

• Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276

Practice locations

Addresses where Ruheri Perez Tamayo is enrolled with Medicare (CMS data updated October 2, 2026).

• 2160 S 1st AveMaywood, IL 60153
• 5666 E State StRockford, IL 61108 (815) 921‑8929
• 8600 State Route 91, Suite 130Peoria, IL 61615 (309) 683‑5050

Group practices

Medicare enrollment lists Ruheri Perez Tamayo as a member of these groups (CMS data updated October 2, 2026).

• OSF Multi-Specialty Group2,114 clinicians in the group
• Loyola University Medical Center953 clinicians in the group

Specialties

• Cardiac Surgeryprimary
• Critical Care (Intensivists)also
• General Surgeryalso
• Thoracic Surgeryalso
• Vascular Surgeryalso

Find other Cardiac Surgery doctors in Illinois →

Other cardiac surgeons in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

• Jeffrey P. Schwartz, MD
• Eijiro Yamashita, MD
• Timothy V. Votapka, MD
• William G. Pyle, MD
• Asif K. Mustafa, MD
• Cynthia N. Steimle, MD
• Ronald Cossman, MD
• Jonathan Somers, MD

All cardiac surgeons in Illinois →

Other clinicians in OSF Multi-Specialty Group

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

• Sarabjeet Singh, MD
• Usha S. Janapala, MD
• Rebecca A. Ala, CSW
• Wade D. Carlson, MD
• Cheryl A. Sullivan
• Alison J. Kibilka, CNA

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