Dr. Cronin is Board Certified in Rheumatology and Internal Medicine. He graduated from Kansas City University of Medicine in 2000 with Doctor of Osteopathic Medicine. He is a Fellow of the American College of Rheumatology, a member of the American Board of Internal Medicine and Scleroderma Foundation.

Dr. Cronin has years of experience in diverse presentations of clinical Rheumatology cases as well as an active lecturer to patients and fellow clinicians in the greater community. Dr. Cronin completed his fellowship training in Rheumatology at Thomas Jefferson University, Philadelphia and Internal Medicine Residency at Abington Memorial Hospital, Abington, PA.

Dr. Cronin has an extensive history of treating rheumatologic conditions as he as worked for the University of Pennsylvania Health System, Pennsylvania Hospital, was an Assistant Clinical Professor of Medicine; Cooper University Hospital; academic education for the Rheumatology Fellowship Program.

Dr. Cronin has a special interest in musculoskeletal ultrasound for inflammatory arthritis and has specialty training in Rheumatoid Arthritis, Psoriatic Arthritis, Vasculitis, and Scleroderma from the Scleroderma Center of the Thomas Jefferson University Hospital.