We care for all types of acute and chronic kidney disease, hypertension, kidney stone prevention, pre-dialysis, and post-transplant. We see patients receiving chronic in-center and home dialysis in Lowell, Chelmsford, and Methuen.
Please note that our Lowell office has moved to our new location at 600 Clark Road, Second Floor in Tewksbury Massachusetts. Our phone and fax numbers are the same. Click here for directions to our new location.
Our professional staff serve patients from across the Merrimack Valley and are on staff at the Lowell General Hospital Main and Saints campuses. Our physicians are certified and re-certified in Internal Medicine and Nephrology.
At NAMV, we treat each patient with the care, sensitivity, and respect they deserve.
We care for all types of acute and chronic kidney disease, hypertension, kidney stone prevention, pre-dialysis, and post-transplant. We see patients receiving chronic in-center and home dialysis in Lowell, Chelmsford and Methuen.
Our Professional Staff
Dr. Douglas E. Mesler, MD, MPH
Douglas E. Mesler, MD, MPH trained at Boston Medical Center and served as faculty at Boston University School of Medicine and Clinical Director for Nephrology at Boston Medical Center for 10 years before moving his practice to Lowell in 2005. Dr. Mesler is the Medical Director for the Fresenius Lowell dialysis facility.
Dr. Roy M. Maletz, MD, FRCP
Roy M. Maletz, MD, FRCP is the founder of Nephrology Associates. He trained at Royal Victoria Hospital in Montreal and did his Nephrology fellowship at University Hospital (Ann Arbor Michigan) before entering clinical practice in Lowell in 1975.
Dr. Joseph P. Rossacci, MD
Joseph P. Rossacci, MD served as resident and Internal Medicine Chief Resident at the University of Massachusetts. He completed his Nephrology fellowship at Beth Israel Deaconess Medical Center and has been a member of Nephrology Associates since 2007. Dr. Rossacci is the Medical Director for the Fresenius Chelmsford dialysis facility.
Dr. Ashish Mahajan, MD, MPH, MS
Ashish Mahajan, MD, MPH, MS served his residency at St. Elizabeth’s Hospital and Nephrology clinical and research fellowship at Tufts Medical Center. He has been a member of Nephrology Associates since 2007.
Janice Mahoney, APRN
Janice Mahoney, APRN has been involved in nephrology nursing since 1995 and completed her Masters degree in nursing and board certification in 2009. She has extensive clinical experience caring for patients treated with all types of acute and chronic dialysis, with chronic kidney disease as well as kidney transplant. Ms. Mahoney brought her compassionate care to Nephrology Associates in 2011.
Quick Kidney Facts
25% of all blood flow goes to the kidneys resulting in the formation of 180 liters of filtered fluid daily of which less than 1% is excreted as urine.
More than 20 million Americans – one in 9 adults – have chronic kidney disease. More than 20 million others are at increased risk.
There are over 600,000 patients with advanced kidney failure (ESRD) in the United States. Over 180,000 have working kidney transplants, 430,000 are on some form of dialysis.
Kidney disease is most often painless: it can only be discovered by testing the urine or blood.
The mammal with the most efficient kidneys is the Desert Kangaroo Rat: its urine is 5-10 times more concentrated than that of a human.
Kidney stones will affect approximately 1 in 11 adults. Annual cost of kidney stone treatment in the US is over 2 Billion dollars.