I take care of people with complicated hypertension (high blood pressure), chronic kidney diseases, and dialysis treatments. My niche is taking care of pregnant women with kidney diseases and hypertension, as well as complicated hypertension, chronic kidney disease, and dialysis in the hospital setting. I also take care of long-term follow-ups for patients who have had a kidney transplant. When I meet with a patient, I inform them about what the options are and help them make a decision. The kidney center here at Duke is nationally well-known, and we see patients from all over, including international patients. I always want my patients to know I am available for them, either through MyChart or if they call the office and ask a question; they'll usually get an answer within 24 hours. Dr. Kovalik is highly rated in 4 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Renovascular Hypertension, and Nephrosclerosis.

Jeffrey Nielsen is a Nephrologist in Huntersville, North Carolina. Dr. Nielsen is highly rated in 32 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Acute Kidney Failure, and Nephrosclerosis.

Chris Fotiadis is a Nephrologist in Charlotte, North Carolina. Dr. Fotiadis is highly rated in 31 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Polycystic Kidney Disease, Chronic Kidney Disease, Kidney Transplant, and Simultaneous Pancreas Kidney Transplant. Dr. Fotiadis is currently accepting new patients.

Nathan Woolwine is a Nephrologist in Concord, North Carolina. Dr. Woolwine is highly rated in 27 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Acute Kidney Failure, Kidney Transplant, and Lithotripsy.

Mehul Patel is a Nephrologist in Concord, North Carolina. Dr. Patel is highly rated in 23 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Acute Kidney Failure, and Diabetic Nephropathy.

Vivek Sanghani is a Nephrologist in Charlotte, North Carolina. Dr. Sanghani is highly rated in 23 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Diabetic Nephropathy.

Gregory Merten is a Nephrologist in Charlotte, North Carolina. Dr. Merten is highly rated in 23 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Glomerulonephritis, and Lithotripsy.

Douglas Nigbor is a Nephrologist in Gastonia, North Carolina. Dr. Nigbor is highly rated in 22 conditions, according to our data. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), and Lithotripsy. Dr. Nigbor is currently accepting new patients.

Jonathan Planer is a Nephrologist in Gastonia, North Carolina. Dr. Planer is highly rated in 20 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrosclerosis. Dr. Planer is currently accepting new patients.

Anjali Singla is a Nephrologist in Charlotte, North Carolina. Dr. Singla is highly rated in 19 conditions, according to our data. Her top areas of expertise are End-Stage Renal Disease (ESRD), Acute Kidney Failure, Chronic Kidney Disease, and Necrosis.

Paul Blake is a Nephrologist in Charlotte, North Carolina. Dr. Blake is highly rated in 18 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Renal Papillary Necrosis. Dr. Blake is currently accepting new patients.

Paul Cheifetz is a Nephrologist in Gastonia, North Carolina. Dr. Cheifetz is highly rated in 17 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, Diabetic Nephropathy, Nephrosclerosis, and Renovascular Hypertension. Dr. Cheifetz is currently accepting new patients.

Todd Griffith is a Nephrologist in Charlotte, North Carolina. Dr. Griffith is highly rated in 17 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Nephrosclerosis, and Lithotripsy. Dr. Griffith is currently accepting new patients.

Suzanne Katsanos is a Nephrologist in Gastonia, North Carolina. Dr. Katsanos is highly rated in 15 conditions, according to our data. Her top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Hypophosphatasia (HPP). Dr. Katsanos is currently accepting new patients.

Thomas Smarz is a Nephrologist in Charlotte, North Carolina. Dr. Smarz is highly rated in 15 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Polycystic Kidney Disease, and Lithotripsy.

Joel Bruce is a Nephrologist in Charlotte, North Carolina. Dr. Bruce is highly rated in 15 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Glomerulonephritis.

Matthew Elliott is a Nephrologist in Charlotte, North Carolina. Dr. Elliott is highly rated in 14 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrotic Syndrome.

Daniel Tierney is a Nephrologist in Charlotte, North Carolina. Dr. Tierney is highly rated in 12 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Nephrosclerosis, and Lithotripsy.

Michael Etomi is a Nephrologist in Charlotte, North Carolina. Dr. Etomi is highly rated in 11 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Nephrosclerosis, and Lithotripsy. Dr. Etomi is currently accepting new patients.

Nancy Gritter is a Nephrologist in Charlotte, North Carolina. Dr. Gritter is highly rated in 10 conditions, according to our data. Her top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Glomerulonephritis, and Acute Kidney Failure. Dr. Gritter is currently accepting new patients.

Donald Berling is a Nephrologist in Charlotte, North Carolina. Dr. Berling is highly rated in 7 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Nephrosclerosis, Renovascular Hypertension, and Lithotripsy.

I am a nephrologist at Duke University with over 20 years of experience as a clinician, clinical researcher, and mentor. In my outpatient practice, I take care of patients with chronic kidney disease (CKD). In my hospital work, I evaluate and care for patients with acute kidney injury and with electrolyte disorders. In clinical research, I am experienced in serving on steering committees for multicenter clinical trials in CKD, including work with National Institutes of Health (NIH)-funded trials -- the African American Study of Kidney Disease and Hypertension (AASK), the AASK Cohort Study, the Dialysis Access Consortium, and the Focal Segmental Glomerulosclerosis (FSGS) treatment trial. I recently joined the steering committee for the NIDDK consortium, pilot studies of candidate therapies for CKD. I am active in multiple industry-sponsored clinical trials. I am a member of the executive committee for the Collaborative Study Group, a consortium that has implemented several successful clinical trials in nephrology. Dr. Middleton is highly rated in 5 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), High Potassium Level, and Autosomal Dominant Polycystic Kidney Disease.

I enjoy practicing nephrology and taking care of patients with kidney disorders. My clinical interests include management of uncontrolled high blood pressure, chronic kidney disease, acute kidney failure, and fluid and electrolyte disorders. I also have particular interest in the evaluation and management of kidney diseases affecting cancer patients (onco-nephrology). Dr. Ortiz-Melo is highly rated in 4 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Nephrosclerosis, Renovascular Hypertension, and Kidney Transplant.

David Butterly is a Nephrologist in Raleigh, North Carolina. Dr. Butterly is highly rated in 4 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Autosomal Dominant Polycystic Kidney Disease, and Polycystic Kidney Disease. Dr. Butterly is currently accepting new patients.

Ruediger Lehrich is a Nephrologist in Durham, North Carolina. Dr. Lehrich is highly rated in 3 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Low Sodium Level, and Acute Kidney Failure. Dr. Lehrich is currently accepting new patients.