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Stillwater Medical Center Cardiology Clinic

Meet our Providers

Arthur Hagan, MD

Arthur Hagan, M.D.

Throughout his long career as a cardiologist, Dr. Hagan still gets excited by new developments in the diagnosis and treatment of patients of cardiovascular disease. These new advances in medical care continue to help him fulfill his goal of helping people feel better and preventing the progression of heart disease.  Dr. Hagan feels truly blessed when he can help patients recover from life threatening illnesses and guide them to improved health and overall lifestyle.

Dr. Hagan began his education with a bachelors and medical degree from the University of Iowa. Following a medical internship in Des Moines, Iowa he joined the Navy and obtained training as a Flight Surgeon at US Naval School of Aviation Medicine in Pensacola, Florida.  He completed an internal medicine residency and cardiology and pediatric cardiology fellowships at the Naval Regional Medical Center and University of California San Diego in San Diego, California.Since moving to Stillwater in 1993, Dr. Hagan has become a trusted member of the cardiology team. His career highlights include: chief of cardiology and director of clinical research at the Naval Regional Medical Center, chief of cardiology and professor of medicine at the University of Utah School of Medicine, partner and president of the Tulsa Heart Center, director of echocardiography at Hillcrest Medical Center, clinical professor of medicine at the University of Oklahoma at Tulsa, and a program director for the American College of Cardiology Continuing Medical Education Programs.

Dr. Hagan has authored or co-authored over 125 peer reviewed scientific articles, book chapters in medical textbooks, and two textbooks in echocardiography.

J. Bryan Harris, MD

J. Bryan Harris, D.O.

An expert in cardiovascular health, Dr. Harris specializes in the diagnosis and treatment of diseases or conditions of the heart and blood vessels. His patients appreciate his focused care and approachable manner.

Born and raised in Oklahoma, Dr. Harris received his undergraduate degree in biochemistry and microbiology from Oklahoma State University. He earned his medical degree from Oklahoma State University College of Osteopathic Medicine. Dr. Harris completed his residency and fellowship in Diagnostic Cardiology at Oklahoma State University Medical Center.

In addition to spending time with his son, Dr. Harris enjoys an active outdoor lifestyle and loves golf, tennis, hunting and fishing.

Melchor Lim, MD

M.N. Lim, M.D.

For nearly four decades, Dr. Lim has been studying and solving the mysteries of cardiovascular disease while caring for his patients. He cares deeply about the people he serves and it is his great honor to help them improve their lives through improved health. He specializes in non-invasive diagnosis and of heart and vascular disease.

Dr. Lim attended medical school at the Universidad de Santo Tomas in the Philippines. Following his formal schooling, he completed residencies at the Stritch School of Medicine in Illinois and the Albert Einstein School of Medicine in New York. He also completed his cardiology fellowship at the Stritch School of Medicine.

During his career he has received certification in vascular ultrasounds, echocardiographies, nuclear cardiology, cardiovascular diseases, and internal medicine.

Shayam Poludasu, MD

S. Poludasu, M.D.

Providing exceptional care and making a positive impact in the cardiovascular health and lives of his patients is of utmost importance to Dr. Poludasu. He has done over 500 heart balloon/stent procedures at Stillwater Medical Center (SMC) with a very low complication rate.

Dr. Poludasu received his bachelor of medicine and bachelor of surgery at the Osmania Medical College in Hyderabad, India. Following his studies in India, he completed his internship and residency in Internal Medicine at SUNY Downstate Medical Center in New York. He also completed fellowship in Cardiology at SUNY Downstate Medical Center and Interventional Cardiology fellowship at Mount Sinai Medical Center in New York. He had the great honor of being Chief Resident and Chief Fellow during his time at SUNY Downstate Medical Center.

TJ Trad, MD

T.J. Trad, D.O.

Dr. Trad has a 16 year legacy under the OSU system, receiving his undergraduate degree in biochemistry from Oklahoma State University followed by a Master of Science in Biomedical Sciences at Oklahoma State University Center for Health Sciences. He earned his medical degree from Oklahoma State University College of Osteopathic Medicine. Dr. Trad then went on to complete his residency in Internal Medicine then a fellowship in Invasive Cardiology at Oklahoma State University Medical Center. He also has completed an internship in advanced heart failure at a Harvard affiliated medical center – BIMC in Boston, Massachusetts.

Dr. Trad Is the founder of Cura For The World Foundation, a non-profit organization that has in one year reached hundreds of lives, from Haiti to the Syrian refugee camps on the Lebanese-Syrian border, and to the slums of Uganda. Dr Trad is an artist, a poet and an avid world traveler that dedicates his life to the benefit of humanity.

Read this article about Dr. Trad.

Mirabel Forteh, APRN

M.N. Forteh, APRN

Mirabel Forteh, APRN-CNP, is a Board Certified Nurse Practitioner.  She received her Masters of Science in Nursing from Maryville University in St Louis, Missouri.  She obtained her Bachelors of Science in Nursing, graduating with honors from Langston University and was inducted into Sigma Theta Tau International, an Honors Society for Nursing.  Mirabel has extensive experience in Medical /Surgical, Rehabilitation, Emergency and Intensive Care Nursing.   

Mirabel is a current member of the American Association of Critical Care Nursing and maintains her Certification of CCRN.  She is active in general cardiology, non-invasive and interventional cardiology.  Mirabel and her family have lived in the Stillwater area for 12 years.  Mirabel is fully dedicated to caring for her patients, providing them with compassionate care while empowering them with knowledge.

Jeremiah Bro

Jeremiah Bro, APRN

Jeremiah graduated from OSU in 2009 with a Bachelors in Health Education and Promotion. He served in the Air Force from 2006 to 2012 where he was deployed twice and spent time in Iraq, Afghanistan and Africa. He started working for SMC as a medical assistant for Dr. Hall. While working, he was finishing pre-reqs for nursing school. He graduated in 2014 from NOC nursing program in 2014. After graduation, he briefly worked at Mercy until a nursing job opened at SMC. He graduated from nurse practitioner school in August 2017.

Shanna Douglass

Shanna Douglass, APRN

Shanna Douglass, MS, APRN-CNP, graduated with her bachelors of science in nursing from the University of Central Oklahoma in 2003. She has spent the majority of her nursing career working in the intensive care and post coronary care areas. She has been employed with Stillwater Medical Center since November 2008 and served as a charge nurse in the ICU for over 9 years. She graduated with her Masters of Science in Nursing with a focus in leadership from the University of Central Oklahoma in 2016. She was inducted into Sigma Theta Tau International Honor Society of Nursing in October 2014. She graduated with her Post Master Family Nurse Practitioner from Maryville University in 2018. She is board certified through The American Academy of Nurse Practitioners National Certification Board, Inc. Shanna and her family have lived in Guthrie, Oklahoma since 1982. Shanna is dedicated to providing compassionate patient-centered care while empowering patients with knowledge.