Obstetrics & Gynecology. Dr. Samer Kattan, MD is an obstetrician gynecologist in Rock Springs, WY and has over 22 years of experience in the medical field. Dr. Kattan has extensive experience in Gynecologic Neoplasms. He graduated from Universite Libanaise Faculte De Medecine in 2001. He is affiliated with Memorial Hospital of Sweetwater County. He is accepting new patients.