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, MDTimothy 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
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
- Internal Medicine - 1976
- Cardiovascular Disease - 1981
- Echocardiography - 1998
Dr. Debaets lives with her husband and son in Delaware, Ohio.
Timothy P. Obarski, DO
Special Interests:
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
- 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
- Internal Medicine - 1987
- Cardiovascular Disease - 1989
- Echocardiography - 1996
Lawrence G. Murcko, MD
Special Interests:
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.
Mary Beth Breckenridge, MD
Special Interests:
Awards from The Ohio State University:
- Departmental Award in Radiology
- The Thomas G. Skillman Housestaff Award of Excellence
- 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
- Internal Medicine - 1995
- Cardiovascular Disease - 1998
- Echocardiography - 2000
Douglas B. Van Fossen, MD
Specialty Areas:
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
- Internal Medicine - 1983
- Cardiovascular Disease - 1985
- Interventional Cardiology - 2003
Dr. Van Fossen, his wife and five children reside in Powell, Ohio.
Barry S. George, MD
Special Interest:
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
- Internal Medicine - 1982
- Cardiovascular Disease - 1985
- Interventional Cardiology - 2003
Dr. George and his wife reside in Howard, Ohio.
Arsad Karcic, MD
Special Interests:
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
- Internal Medicine - 2000
- Cardiovascular Disease - 2004
John T. Huston, MD
Specialty Areas:
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.



