Cathy Criss, DO is an osteopathic physician in Port Charlotte, Florida. The practice is part of Millennium Physician Group, a large physician group with more than 900 healthcare providers in Florida and additional locations across Georgia, Texas, and North Carolina. Millennium Physician Group emphasizes patient experience, and many of its physicians are board certified in their specialties, with some holding additional certifications in areas such as geriatrics and endocrinology.