Skip to main content
Eloy (Ruiz) Ruiz-Calderon, MD, Anesthesiology, O Fallon, IL

EloyA.(Ruiz)Ruiz-CalderonMD

Anesthesiology O Fallon, IL

Cardiothoracic Anesthesiology

Physician

Dr. Ruiz-Calderon is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Ruiz-Calderon's full profile

Already have an account?

  • Office

    1st St Elizabeth’s Blvd
    O Fallon, IL 62269

Summary

  • Dr. Eloy Ruiz-Calderon is an anesthesiologist in O’Fallon, IL He received his medical degree from University of Puerto Rico School of Medicine and has been in practice 29 years. He also speaks multiple languages, including Spanish. He is experienced in general anesthesiology, regional nerve blocks, and cardiothoracic anesthesiology.

Education & Training

  • Emory University School of Medicine
    Emory University School of MedicineFellowship, Adult Cardiothoracic Anesthesiology, 1994 - 1995
  • Boston University Medical Center
    Boston University Medical CenterResidency, Anesthesiology, 1991 - 1994
  • University of Maryland Medical Center Midtown Campus
    University of Maryland Medical Center Midtown CampusInternship, Transitional Year, 1990 - 1991
  • University of Puerto Rico School of Medicine
    University of Puerto Rico School of MedicineClass of 1990

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 2023 - 2026
  • KY State Medical License
    KY State Medical License 2003 - 2025
  • PR State Medical License
    PR State Medical License 1995 - 2004
  • GA State Medical License
    GA State Medical License 1994 - 1997
  • American Board of Anesthesiology Anesthesiology

Professional Memberships

Other Languages

  • Spanish