Our Providers Durga Adhikari, M.D. Colin C. Edgerton, M.D. Gary E. Fink M.D. Nicholas Holdgate M.D. Clarence W. Legerton III M.D. Jennifer K. Murphy M.D. Gregory W. Niemer M.D. Karen McKerihan, MSN, NP-C Kaitlyn Horner, MCMSc, PA-C Thyra Maltese, PA-C Haley Corriveau, PA-C, MPAS Allison Plaster, FNP-C Chikako Riester, NP Amanda Robertson, AGNP-C