Lupus Center of Excellence

Mark Greathouse, MD, FACCMark Greathouse, MD, FACC, is a cardiologist with AHN Cardiovascular Institute, specializing in diagnosing and treating a wide array of heart conditions, including rare and complex diseases. He provides patient-centered care tailored to meet individual needs. Dr. Greathouse earned his Doctor of Medicine degree from West Virginia University School of Medicine in Morgantown, West Virginia, following a Bachelor of Arts in Chemistry from the same university. He completed his internal medicine internship and residency at UPMC Mercy Hospital in Pittsburgh, Pennsylvania. He further specialized in interventional cardiology with a fellowship at Allegheny General Hospital in Pittsburgh, Pennsylvania. Dr. Greathouse is board certified in Cardiovascular Disease, Internal Medicine, and Cardiac CT. He welcomes patients ages 18 and older.

Holly A Lowther, MD is a highly regarded rheumatologist in Canonsburg, PA, specializing in the treatment of conditions such as Ankylosing Spondylitis, Arthritis, Gout, Lupus, Osteoporosis, and more. With a rating of 4.9 stars, Dr. Lowther is known for her expertise, compassion, and excellent patient care. Patients appreciate her thoroughness, attentiveness, and dedication to finding the best treatment options for their individual needs. Dr. Lowther is a board-certified physician with a fellowship from the University of Virginia Health Sciences Center and a medical degree from Temple University School of Medicine. She is highly recommended by her patients and is known for her exceptional listening skills and collaborative approach to healthcare. With her extensive knowledge and commitment to patient well-being, Dr. Lowther is considered one of the top rheumatologists in the area.Generated from the website