The Medical Infusion Center (MIC) at Massachusetts General Hospital is a multispecialty outpatient clinic offering infusion therapies delivered by an expert team, enhancing patients’ quality of life through exceptional care.

Infusions play an important role in the treatment of many diseases. The MIC at Mass General provides infusion-based therapies for patients in Dermatology, Endocrinology, Gastroenterology, Neurology, Rheumatology and other clinics.

The MIC serves established patients who see physicians at Mass General. Our highly-trained care team offers infusion therapies designed to meet individual patients’ needs with care and compassion.

The MIC offers:
  • Highly-skilled nursing staff and on-site nurse practitioners
  • Access to the most advanced infusion therapies for complex medical conditions
  • Centralized prior authorization services for the purpose of insurance approvals
  • Internet access and individual TVs
  • Bright, comfortable settings
  • Multiple locations and expanded hours

MIC Leadership

John Stone, MD, MPH is the Medical Director of the Medical Infusion Center and the Director of Clinical Rheumatology at Mass General and a Professor of Medicine at Harvard Medical School. Dr. Stone has had a career-long interest in teaching, research, and clinical care of patients with rheumatic diseases and his work has focused on the systemic vasculitides and IgG4-related disease (IgG4-RD).  Dr. Stone received his medical degree from Harvard Medical School, and completed internal medicine training at Johns Hopkins and a rheumatology fellowship at the University of California-San Francisco. He co-founded and directed the Vasculitis Center at Johns Hopkins University, the first Vasculitis Center in the United States.

“Infusion therapies have transformed the care of patients with many immune-mediated conditions and other types of diseases in medicine.  I am honored to be the first Medical Director of the Medical Infusion Center at Mass General.”
 - John Stone, MD, MPH 

Christopher Callahan, DNP, RN is the Nursing Manager of the Medical Infusion Center. A Registered Nurse with over 20 years of experience including in-patient and out-patient care, Chris has worked in teaching hospitals in the community as well as large academic medical centers for both Adult and Pediatric patient populations. He attended the University of Massachusetts for his Bachelor of Science in Nursing, and Northeastern University for both his Masters of Science in Nursing Administration and Doctor of Nursing Practice. Chris’s experience is varied, including: medical/surgical, primary care, emergency, gastrointestinal endoscopy, quality & safety, and infusion therapy, as well as nursing administration.