Doctor Profile Request an Appointment Location: Elgin Family Care Address: 8148 State Hwy 17 Elgin, OK 73538 Phone: 580-454-2273 Fax: 580-454-2275 Maria Mithlo MD Internal Medicine Elgin Family CareDuncan Regional Hospital Community: Elgin Board Certification American Board of Internal Medicine Medical School University of Santiago School of Medicine Residency Ramon Ruiz Arnau Regional Hospital, Puerto Rico