Rebecca Buwalda, NP

Angie Schupp, MD, is a board-certified pediatrician with SSM Health Cardinal Glennon Pediatrics. She completed medical school at the University of Illinois College of Medicine – Rockford and then completed residency at the University of Illinois College of Medicine – Peoria. Dr. Schupp sees patients from newborn to 25 years old and has a special interest in newborn care, anticipatory guidance and adolescent medicine. She has been caring for pediatric patients for more than 20 years. She is a member of the American Academy of Pediatrics and is fluent in Arabic.

A board-certified cardiac electrophysiologist and cardiologist, Peter Mikolajczak, MD, attended medical school at Saint Louis University School of Medicine where he completed his internal medicine residency, as well as his fellowship in cardiovascular disease. In addition, he completed a fellowship in clinical cardiac electrophysiology at University Hospitals Cleveland Medical Center. Dr. Mikolajczak has published more than 10 peer-reviewed articles.

Katie Schaefer, AGPCNP-BC, is an adult-gerontology nurse practitioner, who specializes in diagnosing and treating digestive disorders in adult patients ages 18 and older. Her areas of expertise include gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS), and ulcerative colitis (UC). As a patient-centered practitioner, Katie takes the time to get to know her patients, so she can better understand their needs and provide the proper care to address their medical issues. She coordinates care management with her colleagues to ensure her patients receive an accurate diagnosis, optimum treatment, and ongoing support to help them navigate better navigate their condition and improve quality of life.