Dr. Sean M. O'brien, D.O. Internal Medicine - Nephrology Medicare: Medicare Enrolled Practice Location: 3231 N Grand Ave, Nogales, AZ 85621 Phone: 520-281-1550 Fax: 520-281-1112
Nephrology: An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.