Hilmer O Negrete Md 1617 N Front St Harrisburg, PA 17102 Phone : (717) 236-4682 Business Category Physicians & Surgeons-M.D. Cummings Associates 1617 N Front St Harrisburg, PA 17102 Phone : (717) 236-4682 Cummings Associates Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Internal Medicine Physicians & Surgeons-Nephrology Practice Areas           Internist/Internal Medicine