Dr. Doll is board certified in internal medicine and nephrology. He received his medical degree in 1985 from Oral Roberts University, then completed residency and fellowship at the University of Florida, where he also served as chief resident.
He is affiliated with TMH and CRMC and is medical director of DaVita Dialysis in Quincy and Perry. He is the president of the Florida Society of Nephrology. He has served on the board of directors at both hospitals and was chairman of the medical staff at TMH.
He serves on the Capital Medical Society Foundation Board where he chairs the committee overseeing the We Care Network program. He is on the medical review boards for Network 7 and the NKF of Florida. Dr. Doll is a clinical preceptor for the Florida State University College of Medicine.
HARI K. KOLLI, M.D., M.P.H
Dr. Kolli is board certified in Internal Medicine, Nephrology & Hypertension. He received his medical degree from Osmania Medical College in Hyderabad, India in 2002. He received a Masters Degree in Public Health from the University of Iowa in 2005. He performed his residency in Internal Medicine and his fellowship in Nephrology at the University of Buffalo, Buffalo, NY from 2005 to 2010. Dr. Kolli joined NFNA in 2010 and is a Board Certified Specialist in Hypertension. He is affiliated with Tallahassee Memorial Healthcare and Capital Regional Medical Center, Medical Director of in-patient Dialysis unit at Capital Regional Medical Center and he is medical director of DaVita Dialysis East. Dr. Kolli is a clinical preceptor for students and residents of the Florida State University College of Medicine.
KAUSHAL P. PATEL, M.D.
Dr. Patel is board certified in Internal Medicine and Nephrology. He received his medical degree from Government Medical College in Bhavnagar, India in 2003. He performed his residency in Internal Medicine at Orlando Regional Medical Center, Orlando, Florida from 2006 to 2008. He performed his fellowship in Nephrology at University of South Florida, Tampa, Florida from 2009 to 2011. Dr. Patel joined NFNA in 2011. He is affiliated with Tallahassee Memorial Healthcare and Capital Regional Medical Center, Medical Director of in-patient Dialysis unit at Tallahassee Memorial Hospital and he is Medical Director of DaVita Dialysis South. Dr. Patel is a clinical preceptor for students and residents of the Florida State University College of Medicine
CASSIE CORBIN, ARNP
Cassie Corbin is board certified as a Family Nurse Practitioner. She received her nursing degree from Chipola College in Marianna, Florida in 2001. She received a bachelor’s degree from University of West Florida in 2011, then a Masters Nurse Practitioners Degree from Albany State University in 2015. She has worked in dialysis for 14 years and joined NFNA in June of 2015. Cassie sees patients in the office and rounds at all out-patient DaVita dialysis clinics.
ELIZABETH VAN VLIET, ARNP
Elizabeth Van Vliet is nationally certified by the American Academy of Nurse Practioners as a Family Nurse Practitioner. She holds a BS in Education from FSU (2002) and an ADN from TCC in Registered Nursing (2011). She went on to complete a Master of Science in Nursing - Family Nurse Practitioner at the University of South Alabama in 2017.
Her nursing background prior to completing her advanced degree includes perioperative, internal medicine, and postpartum nursing at Tallahassee Memorial Hospital prior to joining NFNA in 2018 in her role as a nurse practitioner.
Elizabeth works collaboratively with all four of the North Florida Nephrology physicians taking care of our patients in the outpatient clinic with chronic kidney disease and hypertensive disorders.
