Meet Our Orthopedic Care Providers Orthopedic Surgeon Dennis Sullivan, MD Saad Mohammad, DOOrthopedics Lauren Adey, MD David Brown, MD Michael Regan, MD Patrick Fallon, MD William Zimmerman, MD Michael DeFrance, DO Keith Lyons, MD Ian Engler, MD Matthew McLaughlin, MD Lisa Moore, PA-C Angela Michalka, PA-C Hannah Caradonna, PA-C Cynthia Richards, MD Valerie Jacobs, OTR/L Carly Emond, OTR/L Sara Reeder, PA-C Heidi Walls, MD Lauren Nadkarni, MD, CAQSM Elizabeth Harlow, PA-C Peter Ocampo, DPM Jennifer Waterman, DO Brittany Massey-Labbe, PA-C Clancy Erickson, MSN, AGACNP-BC Brittany Hough, Podiatric Medicine Jules Bodo, DPM