Our Providers

Rob Dillon

Robinder Dhillon, M.D.

Robinder has extensive clinical and research experience since 2004, after finishing medical school gaining work experience in five countries and over twenty different hospitals including NIH, John’s Hopkins Hospital, Wayne State University, University of Rochester, Mayo Clinic, Oxford-Radcliffe Hospital UK, Queens Medical Center UK, Christian Medical College and Dame Edith Brown Memorial Hospital, India & many more hospital locations.Robinder was awarded the ‘Young Investigator Award’ by the American Society of Bone and Mineral Research in 2012 annual meeting for his basic science bench research at the Center for Musculoskeletal Research in Rochester, New York, studying the effects of PTH on femoral allograft healing and angiogenesis. He is the first author on an original research article in the Journal of Bone and Mineral Research, he has also authored review articles, book chapters and has coauthored several other peer-reviewed publications. He completed his residency at Wayne State University and Rheumatology Fellowship at the National Institutes of Health in Bethesda, Maryland. During his fellowship, he worked with Dr. Mike Ward on clinical outcomes research studies, with special focus on rheumatoid arthritis and lupus.

Rob Dillon

Rosemarie CO, NP

Rosemarie graduated from Toronto Metropolitan University in Ontario, Canada with a Bachelor of Science in Nursing. She then furthered her education at Samuel Merrit University holding a Master of Science in Nursing, and is a licensed Family Practitioner with double-certification through ANCC AND AANP.

She is an empathetic Nurse Practitioner and has joined Sierra Rheumatology to focus on providing quality care, education with open communication with patient and their families. She has 20 years of Critical Care experience as a Registered Nurse.