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Our Cardiologists

Every patient deserves the best possible cardiac care, delivered with compassion. When you come to Heart Specialists of Ohio, you can expect a determined effort to protect and enhance your health, delivered with a positive attitude. Our focus is on you, with every physician, technician and staff member working as a team to promote your health.

Learn more about our cardiologists...

Debbra L. Debaets, MD
Timothy P. Obarski, DO
Lawrence G. Murcko, MD
Mary Beth Breckenridge, MD
Douglas B. Van Fossen, MD
Barry S. George, MD
Arsad Karcic, MD
John T. Huston, MD
Debbra L. Debaets, MD

Debbra L. Debaets, MD

Special Interests: Women and heart disease
Undergraduate: Marietta College
Medical School: The Ohio State University
Internship, Residency and Fellowship: Parkland Memorial Hospital; Dallas, Texas
Professional Associations:

  • American College of Cardiology, Fellow
  • Women's Heart Advantage Committee, Member
Board Certifications:
  • Internal Medicine - 1976
  • Cardiovascular Disease - 1981
  • Echocardiography - 1998

Dr. Debaets lives with her husband and son in Delaware, Ohio.

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Timothy P. Obarski, DO

Timothy P. Obarski, DO

Special Interests:

  • Transesophageal echocardiography
  • Mitral valve dysfunction
  • Pericardial disease
  • Nuclear cardiology
  • Undergraduate: University of Illinois College of Pharmacy
    Medical School: Chicago College of Osteopathic Medicine
    Internship: Chicago Osteopathic Hospitals
    Residency and Fellowship: Cleveland Clinic Foundation
    Awards:

    • Chief Cardiology Fellow Award
    • Clinical Research Fellow Award
    • Intern of the Year
    Professional Associations:
    • American College of Cardiology, Fellow
    • American College of Physicians, Fellow
    • Central Ohio Society of Echocardiography, Founder and President
    • Intersocietal Commission for the Accreditation of Echocardiography Laboratories, President-Elect
    • Columbus Free Clinic, Volunteer
    Board Certifications:
    • Internal Medicine - 1987
    • Cardiovascular Disease - 1989
    • Echocardiography - 1996

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    Lawrence G. Murcko, MD

    Lawrence G. Murcko, MD

    Special Interests:

  • Valvular heart disease
  • Coronary artery disease
  • Medical Degree: Bowman Gray School of Medicine at Wake Forest University; Winston-Salem, N.C.
    Fellowship: Cleveland Clinic Foundation
    Board Certifications:
    • Internal Medicine - 1980
    • Cardiovascular Disease - 1985
    • Echocardiography - 1997

    Dr. Murcko lives with his wife and son in Hilliard, Ohio.

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    Mary Beth Breckenridge, MD

    Mary Beth Breckenridge, MD

    Special Interests:

  • Women and heart disease
  • Heart failure
  • Cardiomyopathies
  • Undergraduate, Medical School and Residency: The Ohio State University
    Awards from The Ohio State University:
    • Departmental Award in Radiology
    • The Thomas G. Skillman Housestaff Award of Excellence
    Professional Associations:
    • American College of Cardiology, Fellow
    • American Medical Association, Fellow
    • American College of Physicians, Fellow
    • American College of Echocardiology, Fellow
    • American Society of Nuclear Cardiology, Member
    Board Certifications:
    • Internal Medicine - 1995
    • Cardiovascular Disease - 1998
    • Echocardiography - 2000

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    Douglas B. Van Fossen, MD

    Douglas B. Van Fossen, MD

    Specialty Areas:

  • PTCA
  • Acute Myocardial Infarction Intervention
  • Thrombolytic Therapy
  • Coronary Atherectomy
  • Renovascular Intervention
  • Coronary Stenting
  • Vascular Brachytherapy
  • Intravascular Ultrasound, flow and pressure analysis
  • Consulting: information management, database applications and image management technologies
    Fellowship: The Ohio State University
    Professional Associations:<br>
    • American College of Cardiology, Database Committee
    • Adult Clinical Cardiology Self Assessment Program
    • DICOM Standards Committee
    • College's Strategic Planning Task Force
    Board Certifications:
    • Internal Medicine - 1983
    • Cardiovascular Disease - 1985
    • Interventional Cardiology - 2003

    Dr. Van Fossen, his wife and five children reside in Powell, Ohio.

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    Barry S. George, MD

    Barry S. George, MD

    Special Interest:

  • Coronary artery disease
  • Laser angioplasty
  • Medical School: The Ohio State University
    Internship, Fellowship and Residency: Riverside Methodist Hospital
    Professional Associations:
    • American College of Cardiology, Fellow
    • American College of Angioplasty, Fellow
    • American College of Chest Physicians, Fellow
    • Ohio Academy of Medicine, Member
    • Society of Cardiovascular Interventionalists, Board Member
    • Editorial boards of several medical journals
    Board Certifications:
    • Internal Medicine - 1982
    • Cardiovascular Disease - 1985
    • Interventional Cardiology - 2003

    Dr. George and his wife reside in Howard, Ohio.

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    Arsad Karcic, MD

    Arsad Karcic, MD

    Special Interests:

  • Coronary artery disease
  • Valvular heart disease
  • Medical School: University of Zagreb, Croatia
    Fellowship: Lahey Clinic, Mass.
    Residency: Nassau University Medical Center, N.Y.
    Award from Nassau University Medical Center: Fellow of the Year
    Professional Associations:
    • American College of Physicians/American Society of Internal Medicine, Member
    • American Medical Association, Member
    • American College of Cardiology, Associate Member
    Board Certifications:
    • Internal Medicine - 2000
    • Cardiovascular Disease - 2004

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    John T. Huston, MD

    Specialty Areas:

  • Medical informatics
  • Preventative cardiology
  • Undergraduate: Otterbein College
    Medical School: The Ohio State University
    Internship and Residency: Riverside Methodist Hospital
    Fellowship: Cleveland Clinic
    Board Certifications:
    • Internal Medicine - 1972
    • Cardiovascular Disease - 1977

    Dr. Huston and his wife reside in Columbus, Ohio.

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