Charleston Nephrology, Hypertension and Transplant, PLLC
Charleston Hypertension Center

4610 Kanawha Avenue SW, Suite 402
South Charleston, WV 25309

Phone - 304.400.4700
Fax - 304.400.4635


Dr. Abdul R. Zanabli, MDDr. Zanabli

Dr. Zanabli is a board certified Nephrologist and Hypertension specialist. He established CNHT in 2007. He completed his Nephrology fellowship at Brown University (2000) and completed transplant nephrology fellowship at Mayo clinic (2007). He has been in nephrology practice for over fifteen years. Dr. Zanabli is a medical director of KCD and HN dialysis units.



Ramnika Gumber, MD

Dr. Gumber is a board eligible nephrologist.  She competed her residency in internal medicine at SUNY  and Nephrology fellowship at University of Pennsylvania. She is board certified in Internal medicine. Dr. Gumber have joined Charleston nephrology hypertension and transplant, PLLC in July 2017.



Leah Danielle Adams, FNP

Mrs. Adams has been in the practice of nephrology for over 8 years and with our practice for more than 6 years. Initially she worked as a rounding nephrology RN, then as C-FNP. Her background is in ICU and critical care has been a significant addition  to her outstanding credentials. She assists the doctors in following dialysis patients, hospital and ICU nephrology rounds and in following office patients with chronic kidney disease.

Renetta Brewer, FNP

Mrs. Brewer has has joined CNHT in 2016 as an RN and passed her nurse practitioner certifying exam in May 2016, she has a background as a hospital floor nurse. She is assisting the doctors in hospital rounds, dialysis and office visits.

Ashley Muller, PA

Ms. Muller has joined CNHT in 2017, she has been in practice for three years as physician assistant. She provides her services at CAMC, Thomas hospital, our office and at multiple dialysis units.


Hospital Affiliation

  • Charleston Area Medical Center (CAMC)
    • Memorial Division
    • General division
  • Thomas Memorial hospital

Dialysis Units Affiliation

  • FMC – Kanawha County Dialysis unit (Dunbar)
  • FMC- Hawks Nest Dialysis (Montgomery-under construction)
  • FMC – Charleston Dialysis unit
  • FMC – Ripley Dialysis unit
  • Greater Charleston Dialysis
  • Greater Boone Dialysis unit

Satellite Locations

  • Ripley
  • Montgomery
  • Madison
  • Parkersburg