Dr. Giancarlo Martin Diaz-zamora, M.D. Internal Medicine - Rheumatology Medicare: Medicare Enrolled Practice Location: 1000 4th St Sw, Mason City, IA 50401 Phone: 641-428-6999 Fax: 641-428-6678
Rheumatology: An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.