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Heart & Vascular Center - Our Specialists

Cardiovascular and Thoracic Surgeons
J.D. Talbott, DO, and Chris W. Akins, MD, have a combined 33 years of cardiovascular and thoracic surgery experience, in over 6,000 procedures.

Both are Skilled in performing the following: 

  • Adult Cardiac Surgery
  • Coronary Bypass Surgery and Grafting
  • Heart Valve Surgery and Replacement
  • Endovascular Surgery
  • Minimally Invasive Techniques
  • Clinical Research
Chris W. Akins, MD
Board Certified by the American Board of Surgery and the American Board of Thoracic Surgery, Chris W. Akins, MD, received his medical degree from the University of Alabama at Birmingham School of Medicine, where he also completed a Cardiothoracic Surgery Fellowship. Dr. Akins was the Director of Robotic Surgery at Memorial Regional Hospital in Hollywood, Florida, and Medical Director of Cardiovascular & Thoracic Surgery at Aventura Medical Center in Aventura, Florida. Other health systems with which he has been affiliated include Baptist Hospital of Miami and South Miami Hospital.

Skilled in performing the following procedures:

  • Adult Cardiac Surgery
  • Robotic Minimally Invasive Cardiac Surgery
  • Coronary Bypass Surgery and Grafting
  • Heart Valve Surgery and Replacement
J.D. Talbott, DO
Board Certified by the American Osteopathic Board of Surgery, J.D. Talbott, DO, received his medical degree from the West Virginia School of Osteopathic Medicine. Prior to joining Northern Michigan Regional Health System, he served as both Chief of Cardiothoracic and Vascular Surgery and Associate Medical Director of Cardiovascular Surgery at Sparrow Hospital in Lansing, Michigan. Additionally, he served as Division Chief of Cardiothoracic Surgery for the Michigan State University Department of Osteopathic Surgical Specialties. In 1990, Dr. Talbott founded the Lansing Heart & Lung Specialists, PC, where he served eight years as president, and co-founded the Cardiothoracic Surgical Program at Sparrow Hospital.

J.D. Talbott, DO, brings his talents to patients in northern Michigan as the newest member of Michigan Heart & Vascular Specialists.

Skilled in performing the following procedures:

  • Surgical Ventricular Restoration
  • Implantation of Freestyle Stentless Valve
  • Endovascular Surgery
  • Medtronic Octopus Tissue Stabilizer and InCardia System for Minimally Invasive Surgery
  • Video Assisted Thoracic Surgery


Cardiologists 
Kristine Bobish, DO
Kristine E. Bobish, DO, is a native of northern Michigan. After pursuing a teaching career, Dr. Bobish decided to pursue her true love of medicine and attended Michigan State University. She completed her residency at Henry Ford-Horizon, BiCounty Hospital and her fellowship at Botsford Hospital. After spending a year in the “big city” where she developed a Chest Pain Clinic as well as a 12-lead EKG program for Macomb County EMS providers, Dr. Bobish has returned to northern Michigan to provide cardiac services to the residents of Gaylord and Grayling area. Dr. Bobish is board certified in Internal Medicine and board eligible for Cardiology and a FACOI.

Louis Cannon, MD
Louis A. Cannon, MD, FACA, FCCP, FACC, FACP is a past Judah Volkman Scholar in Residence, quadruple board certified, and has been named in the Top 100 CardioVascular Specialists in America. He has lectured worldwide and recently performed potentially life-saving procedures in Singapore, as well as at the Montreal Heart Institute on a 14 yr old girl. He is the previous Founding President of the Michigan CardioVascular Institute in Saginaw, Michigan. In 2004 he accepted a position as the Program Director of the new Northern Michigan Hospital Heart and Vascular Institute and serves as President of the Cardiac and Vascular Research Center of Northern Michigan, bringing over two decades of clinical trial experience using cutting edge technologies to treat cardiovascular disease.

Dr. Cannon graduated from Wright State School of Medicine in Dayton, Ohio with an honorary Alpha Omega Alpha degree in 1984. He did his residency training in Akron, Ohio, in a combined Internal/Emergency medicine program, becoming board certified in both. He then completed an Interventional Cardiology fellowship at the University of Cincinnati in 1991. Dr. Cannon is a recognized leader in cardiovascular research and development. His current national (medical) research focuses on drugs which reduce blockages from forming inside heart stents and the use of ultrasound to open blockages that are totally occluded. He is excited about the opportunities for his patients to gain access to the world’s best technologies available for the treatment of cardiovascular disease. Dr. Cannon has been issued two U.S. medical patents in the field of cardiovascular treatment and has been listed as one of “Americas Top Cardiologists” for years.

Dr. Cannon is board certified in Internal Medicine, Emergency Medicine, Cardiovascular Disease, Interventional Cardiology, and is a Fellow of the American College of Cardiology, the American College of Chest Physicians, the American College of Physicians, the American College of Angiology, the American Association of Emergency Physicians, and the Society for Cardiovascular Angiography & Interventions. He has been inducted into Who’s Who in American Medicine and has served on the board of governors of the Michigan Chapter of the American College of Cardiology. He has hundreds of publications including abstracts, manuscripts, textbook chapters and invited editorials.


Harry T. Colfer, MD
Harry T. Colfer, MD has been a practicing cardiologist in Petoskey, Michigan since 1983. He has been consistently voted "Most Admired by his Peers" since 1996. In 2008, Dr. Colfer was named a "Top Doc" by Traverse Magazine.

Initially in partnership in the Burns Clinic, and now in private practice as Michigan Heart and Vascular, Dr. Colfer’s philosophy is to treat each patient in a highly individualized manner and integrate the latest technological advancements into our services. He has special expertise in interventional cardiology (angioplasty, coronary stents, etc.), and in management of coronary heart disease and congestive heart failure.

Dr. Colfer went to medical school at the University of Cincinnati and graduated in 1976. He completed his postgraduate training at the University of Michigan followed by a fellowship in cardiology. Dr. Colfer joined the faculty at the University of Michigan in 1981, and with Dr. Joseph Walton, the director of the Catheterization Laboratory, started the interventional Cardiology Program there in 1980. After joining the medical staff at Northern Michigan Regional Hospital, Dr. Colfer started the cardiac rehabilitation program, as well as the clinical research program.

Though Dr. Colfer’s primary professional activity is clinical cardiology, he has an interest in clinical research and once was the Medical Director of the Nisus Research Department at Northern Michigan Regional Hospital.

Dr. Colfer is board certified in Internal Medicine, Cardiovascular Disease, and is a Fellow of the American College of Cardiology.

David C. M. Corteville, MD
David Corteville, MD, grew up in Michigan and received his undergraduate and medical degrees from the University of Michigan in Ann Arbor. He completed his residency at the University of California, San Francisco. After working for a year as a hospitalist at Kaiser Permanente in San Rafael, California, he returned to the University of Michigan for his cardiology training. Dr. Corteville worked with national leaders in echocardiography, nuclear medicine, and vascular imaging. He has extensive experience in 3D and transesophageal echocardiography.  He also has experience working in a transplant center managing patients with advanced heart failure.  His research focus while at the University of Michigan was on the management of patients with heart attack, laboratory tests  to diagnose  heart failure,  and the impact of stroke in patients with aortic dissection.

Dr. Corteville is board certified in internal medicine and vascular ultrasound for the diagnosis of peripheral vascular disease. He is board eligible in nuclear cardiology, echocardiography, and general cardiology.

In addition to general cardiology, Dr. Corteville has an interest in managing patients with advanced heart failure, as well as medical management of peripheral vascular disease  and aortic and mitral valve disease. He also has an interest in diet and exercise for the prevention of cardiovascular disease. Dr. Corteville will be part of the research team and actively involved in state-of-the-art imaging for the treatment of structural heart disease at Northern Michigan Regional Hospital.

Gerald Gadowski, DO
Gerald A. Gadowski, DO was born in Highland Park, Michigan, to Dr. Raymond Gadowski, a physician, and Virginia Buszek, a pharmacist. He is the youngest of three boys, all of whom are now cardiologists. He was raised in Franklin, Michigan and graduated from W.E. Groves High School. He received his undergraduate degree from Michigan State University. Dr. Gadowski attended Chicago College of Osteopathic Medicine, became board-certified in internal medicine, and practiced in the Detroit area for three years. He then did a cardiology fellowship and was Chief Fellow at William Beaumont Hospital in Royal Oak. He was in private practice for 17 years in suburban Detroit and was Director of Cardiology at Oakland St. Johns Hospital in Madison Heights.

Since moving to northern Michigan in 2001, Dr. Gadowski has been in group practice with Michigan Heart & Vascular Specialists. He is board certified in cardiology and nuclear medicine cardiology. In his spare time, Dr. Gadowski enjoys living on Crooked Lake with his wife, Sharon, and two sons, Zachary and Nicholas. His many past times include fishing, skiing, ham radio and being a “hockey dad”. Dr. Gadowski sees patients in Cheboygan and once a month in Rogers City.


Peter Levanovich, MD
Dr. Levanovich graduated from the University of Vermont. He completed his residency and fellowship in Cardiac Electrophysiology at the Medical College of Wisconsin, located in Milwaukee, Wisconsin.

Dr. Levanovich is board certified in Cardiovascular Disease by the American Board of Internal Medicine. He is a cardiac electrophysiologist who has extensive experience with all pacemakers, defibrillators, and related devices. Dr. Levanovich has special interest in the use of ablation in cardiac arrhythmias. He also holds a pacemaker clinic in Gaylord.


Patrick Maloney, MD
Dr. Maloney received his medical degree form the University of Washington. He is board certified in both internal medicine and cardiovascular disease. His interests include 2-D Echo – Doppler, Arteriography, preventive cardiology, and cardiac rehabilitation.

William Meengs, MD
William L. Meengs, MD, FACC, FSCAI has been a practicing cardiologist in Petoskey since 1975. He is considered by many to be an important pioneer in the treatment of cardiovascular disease in Northern Michigan. Dr. Meengs has held many leadership positions within the medical community, including Chairman of the Department of Cardiology and Cardiac Surgery, Burns Clinic Medical Center, P.C. (1985-89); Director of the Cardiac Catheterization Lab, Northern Michigan Hospital (1992-2000); Chairman of the Department of Cardiology, Northern Michigan Hospital (1999-2005); and President of Petoskey Cardiology (1999-2004).

Dr. Meengs graduated from the University of Michigan Medical School in 1968. He completed his residency training in Internal Medicine in 1973 and his fellowship in Interventional Cardiology in 1975 at University Hospital in Ann Arbor. He is board certified in Cardiovascular Disease, Interventional Cardiology, and Nuclear Cardiology by the American Board of Internal Medicine.

Focusing foremost on his private practice, Dr. Meengs sees patients in Rogers City, and Petoskey. In addition, he has been actively involved for over three decades in cardiovascular research and has numerous published articles, abstracts, grants, and presentations to his credit. His special interests include research in coagulation, coronary intervention, pacing, and general cardiac evaluation.


Dalton Miranda, MD
Dalton J. Miranda, MD attended medical school at the Universidade Federal de Minas Gerais. His fellowship was completed at Jackson Memorial Hospital/University of Miami and his residency was completed at Jackson Memorial Hospital.

Board Certifications are in Internal Medicine and Cardiovascular Disease.

Naomi Overton, MD
Dr. Overton comes to northern Michigan by way of Aspirus Wausau Hospital in Wisconsin. She conducted her internship, residency and fellowship at Lady Davis Carmel Medical Center in Israel. Dr. Overton received additional fellowship training at Rush University Medical Center, specializing in Electrophysiology. She has served as Assistant Professor of Medicine at the University of Wisconsin.

Jason M. Ricci, MD
Jason M. Ricci, MD received his medical degree from Wayne State University School of Medicine in Detroit, Michigan. He completed his internal medicine residency at Washington University in St. Louis, Cardiology and Interventional Cardiology fellowships at William Beaumont Hospitals in Royal Oak, Michigan, and most recently, a VIVA Endovascular Fellowship at El Camino Hospital in Mountain View, California.

Dr. Ricci is board certified in Cardiology, Interventional Cardiology, Cardiovascular Computed Tomography, Nuclear Cardiology, and Internal Medicine. He is board eligible in Vascular and Endovascular Medicine.

In addition to comprehensive cardiac care, Dr. Ricci’s interests include carotid stenting, endovascular limb salvage therapies, and aortic stent grafting for abdominal and thoracic aortic aneurysms. He is actively involved in clinical research and has recently initiated a clinical trial evaluating a novel technique to reduce the risk of stroke with carotid stenting in symptomatic lesions. Northern Michigan Regional Hospital is a participating center and is actively recruiting patients.

Duane Schuil, MD, PhD
Duane W. Schuil, MD, Ph.D., FACC, FSCAI has been a practicing cardiologist in Petoskey since 1989. Dr. Schuil is the President of Michigan Heart & Vascular Specialists and has held a number of professional leadership positions including Chairman of the Department of Internal Medicine, NMH (1991); Chief, Division of Medicine, NMH (1992-94); and Director of the Cardiac Catheterization Lab, NMH (2000-present). Dr. Schuil also served as chairman of the Institutional Review Board of Northern Michigan Hospital, overseeing all research at the institution, from 1990 until 1995 (member through 2001). Currently, Dr. Schuil serves as the co-chair of the Interdisciplinary Endovascular Department at Northern Michigan Regional Hospital. Dr. Schuil graduated from Calvin College in 1976. He attended the Medical University of South Carolina and graduated in 1983 with two degrees: an MD and a Ph.D. in Pharmacology. He completed his residency and fellowship in cardiology at UCLA-San Fernando Valley Medical Program in 1989. Dr. Schuil is board certified in Cardiovascular Disease, with special certification in Interventional Cardiology, by the American Board of Internal Medicine.

Dr. Schuil has maintained a special interest in catheter-based treatment of multivessel coronary artery disease, acute myocardial infarction management, and management of cardiogenic shock. Dr. Schuil’s original research interest culminated in a doctorate in pharmacology, with a special emphasis on myocardial cell membrane and its transport properties. Dr. Schuil’s current research interests include transcatheter cardiac interventional device development. In addition, Dr. Schuil’s practice has expanded into peripheral vascular disease diagnosis and management, including various catheter based interventional strategies.


Andrew H. Teklinski, MD
Andrew H. Teklinski, MD believes that a successful approach to cardiac care involves teamwork between doctor and patient. He works closely with each patient to assess their needs and develop their personal cardiac profile. In this way, doctor and patient become a team with a common goal to fight heart disease and improve heart health. Dr. Teklinski vows to “always put my patient’s needs and welfare as my highest priority.” Dr. Teklinski is trained in invasive and clinical cardiology including cardiac catheterization, nuclear cardiology, echocardiography, placement of pacemakers, biventricular pacemakers, and implantable cardioverter defibrillators. He is active in research and has published multiple articles in peer-reviewed journals. In addition to his clinical roles, Dr. Teklinski has had a distinguished career as a teacher and a clinical investigator. Dr. Teklinski is also able to read and write fluently in Polish.

Dr. Teklinski completed his cardiovascular fellowship training at St. John's Hospital and Medical Center in Detroit. Prior to that, he was an internist for nearly 10 years in various positions. He served in the U.S. Army, with staff positions at Ireland Army Hospital, Fort Knox, Kentucky, and Wright-Patterson Air Force Base in Dayton, Ohio. After leaving the active duty, he was in private practice in Pensacola, Florida, and later, Edina, Minnesota. He remains in the inactive Army Reserve with the rank of Lieutenant Colonel.

His academic appointments include assistant clinical professor of medicine at Wright State University, Dayton, Ohio, and assistant professor of medicine, Uniformed Service University of the Health Sciences, Bethesda, MD. Dr. Teklinski received Bachelor and Master of Science degrees from the University of Michigan, Ann Arbor. He received his medical degree from Wayne State University and completed his internship and residency at Tripler Army Medical Center in Honolulu, Hawaii.

Harold Willens, MD
Harold J. Willens, MD, FACC has been a practicing cardiologist since 1980. He served as Clinical Coordinator of Nuclear Cardiology and Stress Testing (1980-82); Director of Heart Station (1983-86); and Supervisor of the Echocardiography Laboratory (1984-86) at Sinai Hospital in Detroit before joining Petoskey Cardiology, P.C. in 1986. Since coming to Northern Michigan, Dr. Willens has served in a number of capacities at both the Burns Clinic and Northern Michigan Hospital.

Dr. Willens graduated from Wayne State University School of Medicine in Detroit in 1975. He completed his residency training in Internal Medicine in 1978 at Sinai Hospital of Detroit, where he also served as Chief Medical Resident. In 1980 he completed his Fellowship in Cardiovascular Diseases, also at Sinai Hospital of Detroit. Board certified in Cardiovascular Disease, Dr. Willens is an invasive cardiologist with special interests in cardiac diagnostics, including echocardiography and nuclear medicine. His clinical interests include congestive heart failure and valvular heart disease. Dr. Willens has been involved as co-investigator and principal investigator in multiple multi-center clinical trials. In addition to the practice in Petoskey, Dr. Willens sees patients in Gaylord.