Physicians

Dr. Ali graduated from King Edward Medical University. He trained in Pakistan as well as the United States. He completed his residency at Mercy Catholic Medical Center and his Nephrology fellowship at Thomas Jefferson University Hospital. Dr. Ali is Assistant Professor of Medicine for Morsani College of Medicine, University of South Florida. Dr. Ali joined Valley Kidney Specialists, PC in 2010 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Dr. Bollu graduated from Andhra Medical College at King George Hospital. He completed his residency at University of Connecticut and Nephrology fellowship at New York Medical College. He also completed a fellowship in Transplant Nephrology at University of Virginia. Dr. Bollu is Assistant Professor of Medicine for Morsani College of Medicine, University of South Florida. He is currently serving as the Chief of Transplant Nephrology at Lehigh Valley Hospital and is the Medical Director of the South Allentown Kidney Clinic. He joined Valley Kidney Specialists, PC in 1999 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Dr. Fels graduated from Dickinson College and Philadelphia College of Osteopathic Medicine. He completed his internship at Delaware Valley Medical Center and his residency and fellowship at Thomas Jefferson University Hospital. Dr. Fels is an Assistant Professor of Medicine for Morsani College of Medicine, University of South Florida. He is the Medical Director of the Kutztown Kidney Clinic and the Director of the Metabolic Stone Clinic for Valley Kidney Specialists, PC. Dr. Fels is an Interventional Nephrologist at Valley Access Center, located in Bethlehem and is certified by the American Society of Diagnostic and Interventional Nephrology. Dr. Fels joined Valley Kidney Specialists, PC in 2000 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Dr. Guzzo graduated from University of Notre Dame and St. Louis University School of Medicine. He trained in Nephrology at University of Pennsylvania. He was Chief of the Division of Nephrology at Lehigh Valley Hospital for 25 years and is Medical Director of Bethlehem Kidney Clinic. Dr. Guzzo is an Associate Professor of Medicine for Morsani College of Medicine, University of South Florida. Dr. Guzzo joined Valley Kidney Specialists, PC in 1979 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Dr. Kintzel graduated from Franklin and Marshall College and the University of Pennsylvania School of Medicine. He completed his training in Nephrology at University of Pennsylvania. He is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine. Dr. Kintzel joined Valley Kidney Specialists, PC in 1969.

Sharon E. Maynard, M.D. attended medical school and completed her Internal Medicine residency at the University of Pittsburgh Medical Center. She completed her Nephrology fellowship at Beth Israel Deaconess Medical Center. Dr. Maynard is the Program Director of the Nephrology Fellowship Program at Lehigh Valley Health Network and is an Associate Professor of Medicine at the University of South Florida Morsani College of Medicine. She has particular expertise in the treatment of hypertension and kidney disease in pregnancy. She is certified by the American Board of Internal Medicine in Internal Medicine and Nephrology. She joined Valley Kidney Specialists, PC in 2011.

Dr. Schairer graduated from Rutgers New Jersey Medical School and completed his internship, residency, and fellowship at Thomas Jefferson University Hospital in Philadelphia, PA. Dr. Schairer is a fellow of the American College of Physicians and the American Society of Nephrology. He is an Assistant Professor of Medicine for Morsani College of Medicine, University of South Florida and serves as the quality liason for the division of nephrology of the Lehigh Valley Health Network. He is the medical director of the Fresenius Medical Care Allentown dialysis clinic. He is a FAA-designated aviation medical examiner and welcomes pilots in need of first,second and third class medical certification.  Dr. Schairer joined Valley Kidney Specialists, PC in 2003 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Dr. Verma graduated from LLRM Medical College. He trained in India as well as the United States. He completed his residency at SUNY Downstate Medical Center and his Nephrology fellowship at Mount Sinai School of Medicine. He is Medical Director of the Carbon County dialysis center and Assistant Professor of Medicine for Morsani College of Medicine, University of South Florida. Dr. Verma joined Valley Kidney Specialists, PC in 2010 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Benjamin J. Wilcox, M.D. graduated from Duquesne University and Temple University School of Medicine. He completed his Internal Medicine residency at Lehigh Valley Hospital and two year Nephrology fellowship at Albert Einstein Hospital in Philadelphia. He is the Medical Director of Whitehall Kidney Clinic and is Assistant Clinical Professor of Medicine for Morsani College of Medicine, University of South Florida. He is certified by the American Board of Internal Medicine in Internal Medicine and Nephrology. Dr. Wilcox joined Valley Kidney Specialists, PC in 2006.

Dr. Saqib graduated from King Edward Medical College. He trained in England and is a Fellow of the Royal College of Physicians. He completed his residency at Lehigh Valley Hospital and Nephrology fellowship at Pennsylvania State College of Medicine at Hershey. Dr. Saqib is Medical Director of Fogelsville Kidney Clinic and Associate Professor of Medicine for Morsani College of Medicine, University of South Florida. Dr. Saqib joined Valley Kidney Specialists, PC in 2006 and is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine.

Margaret Duffy, M.D., attended medical school and completed her Internal Medicine residency at Rutgers New Jersey Medical School. She completed her Nephrology fellowship and Measey Medical Education fellowship at the University of Pennsylvania. Dr. Duffy is
Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine. She joined Valley Kidney Specialists, PC in 2017.

Gregory R Varghese, D.O., graduated from Arizona College of Osteopathic Medicine Midwestern University. He completed his Internal Medicine Residency at Stony Brook University School of Medicine and his Fellowship in Nephrology at Drexel University College of Medicine. Dr. Varghese is Board Certified in Nephrology and Internal Medicine by the American Board of Internal Medicine. He joined Valley Kidney Specialists, PC in 2017.