Dr. Steven Butler is a graduate of University of Chicago. He received his medical degree from Pritzker School of Medicine, University of Chicago. His residency in internal medicine was at University of Texas Health Science Center in San Antonio, TX. He completed his training with a fellowship in Nephrology at the University of Texas Health Science Center in San Antonio, TX, in 1991. During his education, Dr. Butler also was a Commissioned Medical Office for US Public Health Service, Indian Health Service and rendered services at Fort Duchesne HIS Clinic in Fort Duchesne, Utah and Pine ridge Indian Hospital, Pine Ridge, SD where he received an Isolated Hardship Commendation.
Dr. Butler is a founder of Regional Kidney Care, PC which he opened in 1992. He has over twenty-five years of experience in Internal Medicine and Nephrology. He is the Medical Director of Fresenius Medical Center at Kingsport East and West and the Peritoneal Dialysis clinic at West in Kingsport, TN. He has privileges through Ballad Health System at Holston Valley Medical Center, Bristol Regional Medical Center and Indian Path Medical Center. He also has privileges at HealthSouth Rehabilitation Hospital of Kingsport and Select Specialty in Bristol, TN.
Dr. Butler is Board Certified Diplomat in Internal Medicine and Nephrology. He resides in Kingsport with his wife. He has a daughter, Emily Bruno and a son Andrew Butler. He is also a proud Pop-Pop to two beautiful granddaughters. He also enjoys playing and writing music, gardening and hiking.
Dr. Duc Q. Vu is a graduate of Purdue University, West Lafayette, IN after completing a six-year curriculum in four years at the University of Saigon Medical School. He received his medical degree from University of Texas Medical School, San Antonio, TX. He did his internship and residency in internal medicine at the University of Texas Health Science Center. He completed his training with a fellowship in Nephrology at the University of Texas Health Science Center.
Dr. Vu and Dr. Butler joined as partners at Regional Kidney Care, PC in 1992. Dr. Vu has over twenty-five years of experience in Acute and Chronic Kidney Disease. He has privileges through Ballad Health System at Holston Valley Medical Center, Bristol Regional Medical Center and Indian Path Medical Center. He also has privileges at HealthSouth Rehabilitation Hospital of Kingsport and Select Specialty in Bristol, TN
Dr. Vu is Board Certified Diplomat in Internal Medicine and Nephrology. He became a permanent US resident in 1981 and resides in Kingsport, TN. When not taking care of patients, he enjoys martial arts, photography and his family.
Dr. Abrar Ahmad is a graduate of King Edward Medical College, Pakistan. He did his residency in Internal Medicine at University of Arkansas for Medical Sciences and his fellowship training was completed in Nephrology at the University of Arkansas for Medical Sciences in 2005.
Dr. Ahmad has many years' experience in Acute and Chronic Kidney Disease. He has been in medical practice at Regional Kidney Care, PC, since 2005. He is a Medical Director in Norton at the Fresenius Medical Center Dialysis unit. He has hospital privileges through Ballad Health System at Holston Valley Medical Center, Bristol Regional Medical Center and Indian Path Medical Center. He also has privileges at Encompass Rehabilitation Hospital of Kingsport and Select Specialty in Bristol, TN.
Dr. Ahmad is Board Certified Diplomate in Internal Medicine and Nephrology. He resides in Kingsport with his family. He enjoys bike riding and hydroponics gardening.
Dr. Sathieyendran Poobalasingham is a graduate of Rutgers, the State University of New Jersey with honors. He received his medical degree from St. George's University School of Medicine. His residency in internal medicine was at SUNY Upstate Medical University Hospital where he also was the Medicine Chief Resident in 2004-2005. He completed his training with a fellowship in Nephrology at SUNY Upstate Medical University.
Dr. Poobalasingham has fourteen years of experience in Acute and Chronic Kidney Disease. He joined Regional Kidney Care, PC, in 2007. He is Medical Director of the dialysis unit at Fresenius Medical Center in Bristol, TN and the Peritoneal Dialysis Clinic in Bristol, TN. He has privileges through Ballad Health System at Holston Valley Medical Center, Bristol Regional Medical Center and Indian Path Medical Center. He also has privileges at HealthSouth Rehabilitation Hospital of Kingsport and Select Specialty in Bristol, TN.
Dr. Poobalasingham is Board Certified Diplomat in Internal Medicine and Nephrology. He resides in Kingsport with his wife and two children. He enjoys outdoor activities and leisure time with his family.
Dr. Tapasi Saha is a graduate of Mymensingh Medical College Hospital where she obtained her medical degree in 1988. She also had internship at Mymensingh Medical College Hospital and an externship training in Internal Medicine at St. Joseph Mercy Hospital, Pontiac, MI. She did her residency program at Bonsecours Hospital, Gross Pointe, MI an affiliated teaching hospital and completed her training with a fellowship in Nephrology at the University of Missouri-Columbia, Missouri.
Dr. Saha has nineteen years' experience in Acute and Chronic Kidney Disease. After leaving her tenure as Medical Director of ECU Peritoneal Dialysis, she joined Regional Kidney Care, PC, in 2007. She has privileges through Ballad Health System at Holston Valley Medical Center, Bristol Regional Medical Center and Indian Path Medical Center. She also has privileges at HealthSouth Rehabilitation Hospital of Kingsport and Select Specialty in Bristol, TN.
Dr. Saha is Board Certified Diplomat in Internal Medicine and Nephrology. She also received her Fellowship of American Society of Nephrology (F.A.S.N) in 2005. Dr. Saha resides in Kingsport with her husband and two children. She enjoys cooking and writing poetry in her spare time.
Cindy Butler, MSN, APN-BC is a graduate of University of Arizona with her nursing degree. She went on to received her masters in nursing and then finished with a post master certificate as an Adult Nurse Practitioner, at East Tennessee State University.
Cindy has over forty years of nursing experience. She joined Regional Kidney Care, PC in 1993. She has privileges at Fresenius Medical Centers East and West where she has enjoyed taking care of those patients. She also has privileges at HealthSouth Rehabilitation Hospital in Kingsport, TN. She has vast experience in Acute and Chronic Kidney Disease.
Cindy is Board Certified by the American Nurses Credentialing Center. When she is not taking care of patients she enjoys sewing, cooking, gardening and spending time with her granddaughters. She resides in Kingsport with her husband Dr. Steven Butler and they have two children.
Melissa McPhail, MSN, FNP-BC is a Cum Laude graduate of King College, where she received her nursing degree. She went on to earn her masters in nursing as a Family Nurse Practitioner from East Tennessee State University.
Melissa has over twenty-three years of nursing experience from primary care, pulmonary, urgent care and inpatient admission nurse for hospitalist at Bristol Regional Medical Center. She joined Regional Kidney Care, PC, in 2016. She has been a great additional to our practice in the Bristol Area.
Melissa is Board Certified by the American Nurses Credentialing Center. When she is not working she enjoys spending time with grandson and husband in outdoor activities like fishing, swimming, and hiking. She also enjoys singing in Church choir, reading, antiques and traveling.
Jule Michael FNP, MSN, FNP-BC, is a Magna Cum Laude graduate of King College, where she received her nursing degree. She went on to earn her masters in nursing as a Family Nurse Practitioner from East Tennessee State University.
Jule has over forty years of nursing experience from orthopedics, surgical and intensive care, critical care, outpatient and acute dialysis. She joined Regional Kidney Care, PC, in 2015. With her dialysis experience she has been a valued addition to our team. She has privileges at Fresenius Medical Centers, Mountain Empire, Norton, VA., and East. She has privileges through Ballad Health System at Holston Valley Medical Center, Bristol Regional Medical Center and Indian Path Medical Center. He also has privileges at HealthSouth Rehabilitation Hospital of Kingsport and Select Specialty in Bristol, TN.
Jule is Board Certified by the American Nurses Credentialing Center. When she is not working she enjoys, camping, sewing and spending time with her family. She resides in Kingsport with her husband Dr. Gary Michael and they have two children.
Jennifer Crowley-Rodig, MSN, MPH, APN, ANP-BC, received her nursing degree and her Masters of Science in nursing as an Adult Nurse Practitioner, at University of Florida, Gainesville, FL. Prior to that she received a Bachelor's of Science in Biology from Salisbury University, Salisbury, MD., and a Master's in Public Health from Dartmouth Medical School. She received several honors; Sigma Theta Tau, Golden Key, Omicron Delta Kappa, Beta Beta Beta and Phi Eta Sigma both International and National Honor Society.
Jennifer joined Regional Kidney Care, PC in 2016 after practicing as a Nurse Practitioner in Nephrology for Kaiser Permante in Silver Spring, MD. She has prior nursing experience in surgical intensive care, Internal Medicine, Geriatrics and brings with her a valued experience of chronic kidney disease management to the practice.
Jennifer is Board Certified by the American Nurses Credentialing Center. When she is not working she enjoys family time with her husband and three boys. She resides in Johnson City, TN.
Ashley received her nursing degree from East Tennessee State University and her Masters of Science in Nursing from King College.
Ashley joined Regional Kidney Care in February 2020 after practicing as a Nurse Practitioner in Internal Medicine, Long Term Acute Care and Neurosurgery. She has prior nursing experience in critical care and internal medicine. Ashley is board certified with the American Academy of Nurse Practitioners.
When she is not working she enjoys yoga, hiking, and spending time with her husband and 2 dogs. She resides in Johnson City, TN.