Northtowns Medical Group is the premier practice in WNY for compassionate, patient-centered medical care for adults.

Our patient-centered practice creates a satisfying and caring  environment that embraces the physical, emotional, and social needs of our patients and their families and further promotes the health and well-being our greater community.

Our Providers

Edward Stehlik, MD, MACP


Edward A. Stehlik Sr., M.D., M.A.C.P, is an Internal Medicine specialist at Northtowns Medical Group, PC where he is a founder and managing partner of the group. He has served as Chairman of the Department of Medicine at Kenmore Mercy Hospital since 1990, making him the longest-tenured physician holding that position in Western New York. Elected as Governor of the Upstate New York Branch of the American College of Physicians (ACP), Dr. Stehlik completed his four year term on the ACP  Board of Governors in 2010 and served as President of the New York Chapter of the ACP the largest chapter in the world with over 10,000 members - from 2009-2010. In 2010 he was selected to be a Master of the American College of Physicians, making him the 6th Internist in Western New York to be recognized as a Master by the ACP since the organization's founding in 1915, and the first one practicing in the Kenmore, Tonawanda and Niagara County areas of Western New York. Also serving as Associate Clinical Professor of Medicine at the State University of New York at Buffalo's School of Medicine, Dr. Stehlik has been recognized with several honors, including the Seigel Award for Excellence in Medical Education and the Norman Chassin Award for Excellence in Internal Medicine. He received Kenmore Mercy Foundation “Tribute to Angels' honor (jointly with his wife), the New York ACP's Laureate Award and the ACP's Top 10 Key Contact Award. He and his wife also received the Lifetime Achievement Award from the Kenmore mercy Foundation in 2013. His peers have selected him as one of the “Best Doctors in America since 2003. Buffalo Spree Magazine has listed him in their “Top 100 Doctors in Western New York " regularly since 2006. He did medical school training at the Tufts University School of Medicine in Boston and his residency in Internal Medicine at the State University of New York at Buffalo. He was selected to be the Chief Teaching Fellow of the Department of Medicine the year after completing his residency, before starting his private medical practice. Dr. Stehlik is Board Certified in his specialty of Internal Medicine, is a member of many professional societies and associations, and serves on numerous local Boards and Committees.  Most recently, Dr. Stehlik has been named the first Chairman of the Department of Medicine of Catholic System, including the combined medical staffs of Kenmore Mercy Hospital, Mercy Hospital of Buffalo, Sisters Hospital Main Street, Sisters Hospital St. Joseph's Campus and Mt. St. Mary's Hospital.  Among his professional interests are Practice Transformation and how to improve the delivery of medical care more efficiently and more satisfactorily in the ambulatory care setting.

Donald Gullickson, DO, FACP

After completing his Doctor of Osteopathy training at West Virginia School of Osteopathic Medicine in Lewisburg, West Virginia, Dr. Gullickson completed his residency in Internal Medicine at Cuyahoga Falls General Hospital in Cuyahoga Falls, Ohio. Dr. Gullickson is Board Certified by the American Osteopathic Board of Internal Medicine.  He is a member of the Erie County Medical Society, the Medical Society of the State of New York, the West Virginia Osteopathic Medical Society.  He is a Fellow of the American College of Physicians (FACP) and member of the New York State Chapter of the ACP.  Dr. Gullickson also holds active staff privileges at Kenmore Mercy Hospital and DeGraff Memorial Hospital.

Sarah Whittaker, MD

Dr. Morris is a Buffalo native, growing up in Amherst where she swam competitively and played softball on club teams and in high school. She attended Clarkson University for her undergraduate degree in Biomolecular Science and received multiple honors for academic and extra-curricular achievements, graduating from the Honor’s program Magna Cum Laude. She continued her education at St. George’s University School of Medicine; during which time she earned a diploma of higher education with distinction in medical sciences from Northumbria University. Upon completion of her medical degree,  Dr. Morris was a medical resident in the University at Buffalo’s UBMD residency program in family medicine. During her residency program she trained at many local area hospitals while also seeing patients in a medical office setting. In her spare time she enjoys running, crossfit, gardening, traveling, and spending time with her family. 

Patricia Wagner, Nurse Practitioner

Pat graduated Magna Cum Laude from Niagara University with a bachelor’s of science nursing.  She then worked in the hospital in Medical-Surgical, OB (including Labor and Delivery), Cardiac Care and Telemetry, and for numerous years in the Emergency Room.  She was the Western District Nurse of Distinction.  Pat returned to school at the University of Buffalo where she earned her MS and became a board certified adult nurse practitioner.  She was a member of Sigma Theta Tau, the National Nursing Honor Society, both as an undergraduate and graduate student.  Pat joined Northtowns Medical Group in 2013.  In her free time, Pat enjoys spending time with her husband, her three children, and her large extended family.  She loves to read, enjoys horses, and enjoys spending time on the waterfront.

Caitlin Cuffney, Physician Assistant

Caitlin Cuffney is a 2015 graduate of the Daemen College Physician Assistant Program and recent addition to our team. During her clinical year she experienced many different areas of medicine including electives of Geriatrics, Dermatology, and Gastroenterology.  Along with her degree from Daemen, she has a Bachelor's of Science in Biology from Canisius College. In her free time Caitlin enjoys hiking, kayaking, and cheering on the Buffalo Bills and Sabres!


Become a PATIENT

If you would like to become a patient please call 716.874.2150 to schedule a new patient appointment.