Dr. Nancy Josephine Olsen, MD

Dr. Nancy Olsen specializes in rheumatology and internal medicine, bringing nearly five decades of medical expertise to her practice. She earned her medical degree from the University of Chicago Division of Biological Sciences Pritzker School of Medicine, establishing a strong foundation in comprehensive patient care. With 49 years of experience treating complex autoimmune and joint conditions, Dr. Olsen has developed extensive knowledge in managing chronic rheumatic diseases. She provides care in both Spanish and English to serve diverse patient populations.

Dr. Olsen practices at Penn State Health Milton S. Hershey Medical Center and maintains locations throughout central Pennsylvania, including Middletown, Hershey, and Camp Hill. She focuses on treating conditions such as osteoarthritis, joint pain, and rheumatoid arthritis with personalized treatment approaches. Her practice emphasizes therapeutic interventions including physical therapy, strength training, and hands-on manual …therapy techniques to help patients regain mobility and reduce pain. Patients have given her an average rating of 4.2 out of 5, reflecting her commitment to compassionate and effective rheumatologic care.