Meet the Director and Team – Internal Medicine Residency at St. Elizabeth Youngstown Hospital

Welcome from the Program Director

I would like to welcome you to our Internal Medicine Residency Program at Mercy Health St. Elizabeth Youngstown Hospital. Thank you for your interest in our program.

We are a fully accredited internal medicine residency program with affiliations with three major medical universities. We will continue to strive for academic excellence and foster growth while providing a wide variety of clinical exposure, academic advancement and scholarly advancement.

Through a careful selection process, we accept 11 new residents each year. We are very much a multi-ethnic program and enjoy the diverse cultural atmosphere we have created.  Our Annual International Dinner is a yearly highlight! We will continue to foster our diversity both nationally and internationally with the hopes of adding candidates that share in our mission to serve the underserved within and around our community.  

We are committed to maintaining balance with clinical exposure, academic growth and scholarly advancement so that our program can help to advance each residents’ training toward excellence in internal medicine and match your individual curricular and career goals. 

Please take a few moments to browse through the pages of our website. I think you will be impressed with what our program has to offer!


Patrick Brine, MD, FACP | Program Director
Medical School: Northeastern Ohio Medical University
Residency: 
Summa Health Systems Akron City Hospital

Dr. Brine is certified by the American Board of Internal Medicine and a fellow of the American College of Physicians. He currently serves as section chief for General Internal Medicine at NEOMED and is administrative director of the ambulatory clinic. He previously served on the Governor’s Council for the Ohio Chapter of the American College of Physicians, as well as chair of the Early Career Physicians Council. He has received grant funding from the Alliance for Academic Internal Medicine to foster quality improvement in residency education and presented research at the annual ACGME meeting, as well as the ASHP meeting. His areas of interest include quality improvement and patient safety, as well as interdisciplinary diabetes management and resident wellbeing. Dr. Brine continues to serve as journal reviewer for The Journal of Community Hospital Internal Medicine Perspectives.

Thomas P Marnejon DO
Dr. Thomas P. Marnejon, DO, FACP | Associate Program Director

Medical School:  Philadelphia College of Osteopathic Medicine
Internship: Millcreek Community Hospital, Erie, PA
Residency: St. Elizabeth Youngstown Hospital, Youngstown, OH

Dr. Marnejon is certified by the American Board of Internal Medicine and a fellow and master teacher of the American College of Physicians. He is a member of the Association of Program Directors in Internal Medicine and the American Osteopathic Association. Dr. Marnejon serves on and chairs numerous hospital committees and has served as a journal reviewer for various peer reviewed journals. Dr. Marnejon has authored and co-authored many peer reviewed publications over the past 30 years.

Core Faculty

Timothy J. Barreiro, DO, MPH, FCCP, FACOI, FACP
Medical School: Ohio University Heritage College of Osteopathic Medicine
Residency: Alleghany General Hospital
Fellowship: Pulmonary Disease and Critical Care, University of Rochester Medical Center

Cynthia A. Kravec, MD
Medical School: Northeast Ohio Medical University
Residency: Summa Health System

Grace Greising, MD
Medical School: University of Santo Tomas Faculty of Medicine and Surgery
Internship: Philippine General Hospital
Residency: St. Elizabeth Youngstown Hospital

Stephen Pupillo, DO
Medical School: Edward Via College of Osteopathic Medicine
Residency: St. Elizabeth Youngstown Hospital

Gregory Polcha, DO
Medical School: Lake Erie College of Osteopathic Medicine
Residency: St. Elizabeth Youngstown Hospital

David Regule, MD
Medical School: Northeast Ohio Medical University
Residency: St. Elizabeth Youngstown Hospital
Fellowship: Rheumatology, University Hospitals of Cleveland

Charles Wilkins, MD
Medical School: University of Cincinnati College of Medicine
Residency: St. Elizabeth Youngstown Hospital
Fellowship: Geriatric Medicine, University of Glasgow Medical School

Jung Kim, MD, MPH

Contact Us

Program Coordinator: Gwendolyn Brown, C-TAGME
Email: gwendolyn_brown1@mercy.com
Phone: 330-480-7643

Academic Specialist: Franny Korby
Email: frances_korby@mercy.com
Phone: 330-480-7605