Orthopaedic Surgery > Specialty Areas > Hip and Knee Replacement Hip and Knee Specialists Share on Facebook Share on Twitter Share on LinkedIn Share on Pinterest Share via Email Print this Page Hip and Knee Replacement Surgeons Vishal Hegde, M.D. Alex Arden Johnson, M.D. Harpal Singh Khanuja, M.D. Lucas Edward Nikkel, M.D. Julius Kunle Oni, M.D. Savyasachi C Thakkar, M.D. Advanced Practitioners Deena Babu, P.A.-C. Ellyssa (Elly) Chinnaswamy, P.A.-C. Dorothy Czajkowski, C.R.N.P. Beth Walsh, P.A.-C.