Center Overview

We are the largest renal care provider in Nashville, Tennessee and in a surrounding sixty mile radius serving fourteen counties. Our twenty-seven (27) Nephrologists, seven (7) Nurse Practitioners, and one (1) Physician Assistant  care for 1,500 hemodialysis and 200 peritoneal dialysis patients in more than 20 outpatient clinics.  In addition, there are over 8,000 active patients followed regularly in our practice with various combinations of renal disease, hypertension, and diabetes. We have access to and working relationships with multiple dialysis companies. We are also affiliated with two renal transplant centers in the Nashville area.

We are committed to the efficient performance of Phase II through IV clinical trials by providing rapid enrollment, timely and accurate data recording, and most importantly, the highest quality of patient care available. We have a completely computerized medical records system, facilitating tracking of diagnoses, medications, and laboratory studies. In addition, we have a standard laboratory refrigerator and a (-20°) freezer dedicated solely for the purpose of storing research lab specimens.

Our Clinical Research Staff are experienced in maintaining ethical standards, regulatory documents, negotiating budgets, accurate completion of Case Report Forms, and Pharmaceutical dispensing and accountability.


Nephrology Associates, P.C.
Clinical Research Services
28 White Bridge Road, Suite 300
Nashville, TN 37205

615-221-9599 (fax)

Facility Description

Our main office is conveniently located twenty minutes from the Nashville International Airport. There is a conference room and extra office space for visiting monitors. Our practice utilizes a comprehensive electronic charting system. We perform EKG’s, urinalysis, and phlebotomy with blood tests being sent out to any of several available laboratories. In the same building is a large private radiology group, which can perform most commonly available radiology tests including CT scans and MRI’s. The office is located in a safe, central part of the city convenient to major interstate expressways, hospitals, restaurants, and shopping.

Clinical Research Experience

We have over 20 years of Phase II-IV clinical research experience and specialize in the following areas of Nephrology:

  • Chronic Renal Failure
  • End Stage Renal Disease
  • Glomerulonephritis
  • Hemodialysis
  • Peritoneal Dialysis
  • Hypertension
  • Diabetic Nephropathy
  • Anemia
  • Polycystic Kidney Disease
  • Hyperphosphatemia
  • Secondary Hyperparathyroidism
  • Vitamin D deficiency
  • Vascular Access

Previous Clients

Nephrology Associates is dedicated to serving clients who are leaders in the pharmaceutical, CRO and biotechnology industries.

Our previous clients include:

  • Abbott Laboratories
  • AdMag
  • Affymax
  • Akebia
  • Alexion Pharmaceuticals
  • Amgen, Inc.
  • Bayer Healthcare
  • BioStratum
  • Braintree
  • Bristol-Myers Squibb
  • Celgene
  • Conjuchem
  • Deltanoid
  • Discovery Therapeutics
  • Dynavax Technologies
  • Exelixis
  • Genzyme
  • Hilltop Research
  • Hoffmann-La Roche
  • Hospira, Inc.INEOS
  • Keryx
  • Kureha
  • Luitpold
  • Merck
  • Mitsubishi Pharma
  • NephroGenex
  • Novo Nordisk
  • OPKO Holding II, (formerly Cytochroma)
  • Ortho-Bio-Tech
  • Otsuka
  • Pfizer
  • Phosphate Therapeutics
  • R&D Laboratories
  • Reata Pharmaceuticals
  • Rockwell Medical
  • Shire Laboratories
  • Speedel Pharma
  • Vifor

Investigator Experience

Douglas R. Linfert, M.D.

Director of Research; Principal Investigator
Area of Expertise: Nephrology and Hypertension
Nephrology Education and Training: Johns Hopkins Hospital (Baltimore, MD)

James C. Wilbeck, M.D.

Principal Investigator
Area of Expertise: Nephrology and Hypertension
Nephrology Education and Training: Vanderbilt University Medical Center (Nashville, TN)

Ashish Soni, M.D.

Area of Expertise: Nephrology, Hypertension, and Interventional Nephrology
Nephrology Education and Training: East Carolina University Brody School of Medicine (Greenville, NC)

Hany Rezk, M.D.

Area of Expertise: Nephrology and Hypertension, Interventional Nephrology
Nephrology Education and Training: University of Alabama at Birminham (Birmingham, AL)

Jyotheen S. Karam, M.D.

Area of Expertise: Nephrology and Hypertension, Interventional Nephrology
Nephrology Education and Training: State University of New York at Buffalo (Buffalo, NY)

Ranjan Chanda, M.D.

Area of Expertise: Nephrology, Hypertension, and Renal Transplant
Nephrology Education and Training: Baylor University Medical Center (Dallas, TX), Transplant: University of California (San Francisco, CA)

Staff Expertise

Jennifer Giese

Research Administrator
Experience includes project management and oversight of Phase II-IV clinical trials, detailed case report form completion, medical record collection, source document creation, budget/contract negotiation, regulatory compliance, and study start-up.


Jonelle- Marie Currie, ANP-C

Clinical Research Coordinator
Experience includes Phase II-III clinical trials as a research coordinator.  In addition to being a research coordinator, Jonelle coordinates patient care as a nurse practitioner for the physician group.  Jonelle brings an extensive background of renal experience to our research group.