Skip to main content
Thomas Cahill Jr., MD, Cardiology, O Fallon, IL

ThomasB.CahillJr.MD

Cardiology O Fallon, IL

Adult Congenital Heart Disease, Cardiac Electrophysiology

Physician

Dr. Cahill 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. Cahill's full profile

Already have an account?

  • Office

    3 Saint Elizabeth Blvd
    Ste 2800
    O Fallon, IL 62269
    Phone+1 618-233-6044
    Fax+1 833-973-4218

Education & Training

  • SSM Health/Saint Louis University School of Medicine
    SSM Health/Saint Louis University School of MedicineFellowship, Cardiovascular Disease, 1981 - 1983
  • SSM Health/Saint Louis University School of Medicine
    SSM Health/Saint Louis University School of MedicineResidency, Internal Medicine, 1978 - 1981
  • Saint Louis University School of Medicine
    Saint Louis University School of MedicineClass of 1978

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1980 - 2026
  • IA State Medical License
    IA State Medical License 1999 - 2007
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Cardiovascular Disease

Awards, Honors, & Recognition

  • Fellow (FACC) American College of Cardiology

Press Mentions

  • Cardiologist Named Fellow of American College of Cardiology
    Cardiologist Named Fellow of American College of CardiologyFebruary 16th, 2017

Professional Memberships