About & Credentials
John R Tretter, M.D is an internal medicine physician in Casa Grande, Arizona. Medical education includes University Auto De Guadalajara, Fac De Med, Guadalajara, Jalisco, Mexico, completed in 1985.
Speciality
Languages
Education
- Medical School - University Auto De Guadalajara, Fac De Med, Guadalajara, Jalisco, Mexico - 1985
- Residency Training - Mt Sinai Med Center, Cardiovascular Diseases; Harbor Hospital Center, Internal Medicine
Certification
Internal Medicine
Practice Locations
📍 Buildings A&b 803 N Salk Dr, Casa Grande, AZ 85122
Insurance
