Ronald D. Klizek, M.D., is a native of western New York, born and raised Niagara Falls.  He attended Niagara University obtaining his Bachelor of Science with honors, majoring in biology with a minor in chemistry.  Following his undergraduate studies, he attended SUNY Upstate Medical University in Syracuse, New York where he obtained his M.D.  Dr. Klizek completed his internship and residency in diagnostic radiology at SUNY Upstate Medical University as well.  He obtained his pediatric radiology training at Boston Children s Hospital in Boston, Massachusetts.  Following residency, he completed a diagnostic imaging fellowship at SUNY Upstate Medical University in ultrasound and cross-sectional imaging and obtained a certificate of added qualifications in nuclear radiology (nuclear medicine).  Dr Klizek is board certified in Diagnostic Radiology by the American Board of Radiology

Following training, Dr. Klizek joined Jamestown Radiologists in July of 1982.  Currently, he holds the office of president.  He is a former staff member of Jamestown General Hospital and is a current staff member at the WCA Hospital in Jamestown, New York.  He is a past president of the WCA Hospital Medical Staff and currently sits on the Board of Directors of WCA Hospital.  He has been a clinical instructor in diagnostic radiology at SUNY Upstate Medical University and has been a guest lecturer at the Graduate School of Speech and Hearing at SUNY Fredonia.  He is a past president of the Chautauqua County Medical Society.

Dr. Klizek is married and has two grown children and lives in Lakewood, New York.  His outside interests include antiques, wine, cross-country skiing and biking.  

James G. Dahlie MD, was born in Park Falls, WI.  He received his BA from University of Wisconsin in Madison, WI, his MD at Howard University in Washington, DC.  He completed his internship at The Cleveland Clinic in Cleveland, OH and his diagnostic radiology residency at the University of Kansas Medical Center in Kansas City, KS.  Dr. Dahlie received his Board Certification in June 1977.

Dr. Dahlie came to Jamestown in July 1977.  He is a member of Jamestown Radiologists and a staff physician at WCA Hospital in Jamestown, NY.  He is a past president of the WCA Medical Staff and Jamestown Radiologists, PC.   He is credentialed in CT, MRI, Ultrasound, PET, Interventional and Mammography.

Thomas L. Greer, MD, was born in Rochester, New York   He received his BA from the University of Rochester, Rochester, NY and his MD from the University of Rochester School of Medicine and Dentistry, Rochester, NY.  He completed his internship at The Genesee Hospital, his diagnostic radiology residency at the University of Rochester Medical Center, and his fellowship in Body Imaging and Non-Vascular Interventional Radiology at the University of Rochester Medical Center, all in Rochester, NY.  Dr. Greer received his Board Certification in June 1987

Dr. Greer came to Jamestown in July of 1988.  He is a member of Jamestown Radiologists and a staff physician at WCA Hospital.  He is credentialed in CT, MRI, Ultrasound, Nuclear Medicine, and PET.

Lyndon S. Gritters, MD received his medical degree from the University of Iowa College of Medicine, Iowa City, IA in 1989.  While at the University of Iowa he was the recipient of the Lange Medical Publications Award, the William R. Wilson Award for Exceptional Accomplishment in Internal Medicine, the Merck Manual Award for Superior Scholastic Achievement, and he was inducted into the Alpha Omega Alpha Honor Medical Society.  Prior to medical school he authored a book on comparative chordate anatomy, The Anatomy of Gallus Domesticus.

Dr. Gritters trained in Internal Medicine and Nuclear Medicine at the University of Michigan Medical Center, Ann Arbor, MI, and in Diagnostic Radiology at the University of Texas M.D. Anderson Cancer Center and Texas Children s Hospitals, Houston, TX.  While in training he co-authored several peer reviewed publications, and pioneered the use of PET scanning in the staging of melanoma patients.

Dr Gritters received triple board certification from the American Board of Radiology, the American Board of Nuclear Medicine, and the Certification Council of Nuclear Cardiology in 1996.  He is Chairman of the Department of Radiology and the Radiation Safety Officer at WCA Hospital, and is a partner in Jamestown Radiologists, PC.  His practice focus includes Women s Imaging and Interventional Radiology

Brian D. Meagher, MD, was born in Bronx, NY.  He received his BA from Cornell University School of Arts and Sciences, Ithaca, NY and his MD from Georgetown University School of Medicine, Washington DC.  He completed his internship at David Grant USAF Medical Center, Travis AFB, CA and his diagnostic radiology residency at University of Massachusetts Medical Center, Worcester, MA.  Dr. Meagher received his Board Certification in June 1995.

Dr Meagher came to Jamestown in September 2003.  He is a member of Jamestown Radiologists and a staff physician at WCA Hospital in Jamestown, NY.   He is credentialed in CT, MRI, PET, Nuclear Med, Ultrasound, and Mammography.

In addition to his Certificate of Added Qualification (CAQ) in vascular and interventional radiology, Dr. Rockwell received his American College of Radiology Board Certification in November 1996.

Dr. Rockwell performs interventional radiology procedures and staffs the WCA Interventional Radiology Clinic at WCA Hospital at 17 Sherman St., Jamestown, NY.  There, he consults with patients for a variety of disorders including peripheral vascular disease, varicose veins, uterine fibroids, and spinal compression fractures.

In addition to full-time medical staff membership at WCA Hospital, Dr. Rockwell is also a staff member at Hamot Medical Center in Erie, PA, as a member of the Hamot Stroke Salvage program.

While sub-specializing in minimally invasive procedures, Dr. Rockwell is also certified for interpretation of CT, MRI, ultrasound, PET, and nuclear medicine studies.  He is also a Major in the United States Army Reserves and has served a recent tour in Iraq.