Our Professional Medical Staff Click To View Bio’s Maria T. Aristigueta, MD Michael F. Maguire, MD Robert A. Nonn, MD Scott C. Parrish, MD, FACCP, FACP, DAABIP Sanjeevkumar A. Patel, MD Tracy Derksen, APNP Kim A.Mittelstadt, NP Angela Porcelli, APNP Cynthia Wecker, APNP Aaron Witt, PA-C PA= Physician AssistantPM = Pulmonary DiseaseCC = Critical Care MedicineSleep = Sleep Medicine BSN = Bachelor of Science NursingMSN = Master of Science NursingDNP = Doctor of Nurse PractitionerAPNP = Advanced Practice Nurse Prescriber