Current Fellows

The trainees that come to the Division of Nephrology at Tufts Medical Center to complete their clinical and/or research fellowships have unique skills and hail from a variety of different backgrounds. Learn more about our current fellows below.

Clinical Fellows

Sindhu M. Arjun, MD

Residency Program: St Vincent's Medical Center Program
Medical School: Bangalore Medical College and Research Institute

Taimur Dad, MD

Residency Program: Tufts Medical Center, Boston
Medical School: Johns Hopkins University School of Medicine

Marwa El-Sabbahy, MD

Residency Program: Lahey Clinic, Burlington, MA
Medical School: Johns Hopkins University School of Medicine

Shaikh R. Hoque, MD

Residency Program: St. Luke’s Roosevelt Medical Center, New York City, NY.
Medical School: All-India Institute of Medical Sciences

Narittaya Varothai, MD

Residency Program: Phramongkutklao Medical College, Thailand
Medical School: Phramongkutklao Medical College, Thailand

Research Fellows

Pranav S. Garimella, MD
Medical Education: Jawaharlal Institute of Postgraduate Medical Education & Research, Puducherry, India
Residency: John H. Stroger, Jr. Hospital of Cook County, Chicago, IL
Research: Cardiovascular and Peripheral artery disease outcomes in CKD
Research Mentor: Dr. Mark Sarnak


  1. “Association of Serum Erythropoietin with Cardiovascular Events, Kidney Function Decline and Mortality: the Health ABC” selected as one of the Top Oral Abstracts by Trainees for the ASN Kidney Week 2014 Annual Meeting, November 13-16 in Philadelphia, PA.
  2. Garimella, PS, Nelson J, Lutz J, Kent D. Assessing Heterogeneity of Treatment Effect in Clinical Trials: The Diabetes Control and Complications Trial. 16th Annual CTS Symposium, Tufts Medical Center. May 9, 2014
  3. Chen J, Mohler ER, Hamm L,Xie D, Kimmel S, Townsend R, Wright J, Budoff M, Nessel N, Pan Q, Steigerwalt S, Garimella P, He J. Ankle Brachial Index Predicts Cardiovascular Disease Risk and Mortality among Patients with Chronic Kidney Disease: A Prospective Analysis from the CRIC Study. ASN Kidney Week 2012
  4. Garimella PS, Ix JH, Katz R, Shlipak MG, Criqui MC, Siscovick DS, Kramer H, Sibley C, Sarnak MJ. Association of Albumin-Creatinine Ratio and Cystatin C with change in Ankle-Brachial Index: the Multi-Ethnic Study of Atherosclerosis. Am J Kidney Dis. 2014 Jul 3. doi: 10.1053/j.ajkd.2014.05.014.
  5. Garimella PS, Ix JH, Katz R, Chonchol MB, Kestenbaum BR, de Boer IH, Siscovick DS, Shastri S, Hiramoto JS; Shlipak MG, Sarnak MJ. Fibroblast Growth Factor 23, the Ankle-Brachial Index, and Incident Peripheral Artery Disease in the Cardiovascular Health Study. Atherosclerosis. 2014;233(1):91-96
  6. Garimella PS, Uhlig K. Management and monitoring of hypertension in chronic kidney disease. Curr Opin Neph & Hyper. 2013 Nov;22(6):599-606
  7. Fink HA, Wilt TJ, Eidman K, Garimella PS, MacDonald R, Rutks I, Brasure M. Kane RL, Monga M. Medical Management to Prevent Recurrent Nephrolithiasis in Adults A Systematic Review for an American College of Physicians’ Clinical Guideline. Ann Intern Med. 2 April 2013;158(7):535-543
  8. Garimella PS, Sarnak MJ. The year in review: Cardiovascular Disease in Chronic Kidney Disease. Nat Rev Neph.2013 Feb;9(2):69-70.
  9. Garimella PS, Paudel ML, Taylor BC, Ensrud KL, Marshall LM, Fink HA. The Association of Body Size and Composition with Erectile Dysfunction in Older Men: the Osteoporotic Fractures in Men (MrOS) Study. J Am Geriatr Soc. 2013 Jan;61(1):46-54
  10. Gosain P, Garimella PS, Agarwal R. Renal Sympathetic Denervation for Treatment of Resistant Hypertension: A Systematic Review. The Journal of Clinical Hypertension. 26 Oct 2012 | DOI: 10.1111/jch.12027

Amanda Leonberg-Yoo, MD
Medical Education:
 Creighton University, Omaha, NE
Residency: Tufts Medical Center, Boston, MA

Rita McGill is a fellow at Tufts Medical Center in Boston.Rita McGill, MD
Medical Education: University of Massachusetts Medical School, Worcester, MA
Residency: University of Pittsburgh Medical Center
Research: Dialysis vascular access
Research Mentor: Dr. Klemens Meyer, Dr. Dana Miskulin, Dr. Daniel Weiner