Our Doctors

Howland Medical Pavilion

1930 Niles-Cortland Rd. NE

Warren, Ohio

(330) 480-2235

Boardman Medical Pavilion

8423 Market Street


(330) 480-2235

Thomas Zarlingo, MD received his medical degree from The Medical College of Ohio, in Toledo. He completed his obstetrics and gynecology residency at St. Elizabeth Medical Center and a maternal-fetal medicine fellowship at Cleveland Metropolitan General Hospital, now called MetroHealth Medical Center at Case Western Reserve University in Cleveland, Ohio. 

Dr. Zarlingo is the author of five publications and has given national presentations on Society of Petinatal Obstetricians and Society for Gynecologic Investigation. Dr. Zarlingo is a member of several organizations, including: Fellow of the American College of Surgeons, American College of Obstetrics and Gynecology, American Institute of Ultrasound in Medicine and American Society for Laser Medicine and Surgery. 

He is board certified in obstetrics and gynecology and maternal-fetal medicine.


Oscar Khawli, MD
, a maternal-fetal medicine specialist at St. Elizabeth Boardman Health Center, earned his medical degree and completed his obstetrics and gynecology residency at American University of Beirut Medical Center in Lebanon. Dr. Khawli did his maternal-fetal medicine fellowship at Louisiana State University Medical Center in New Orleans. A second residency in obstetrics and gynecology was completed at Aultman Hospital in Canton, Ohio. 

Dr. Khawli is a member of several professional organizations, including: the Society of Perinatal Obstetricians, American Institute of Ultrasound in Medicine, Society of Obstetric Medicine and American Society of Human Genetics. 

He has authored several articles and conducted numerous lectures and presentations related to the field of maternal-fetal medicine. Dr. Khawli joined St. Elizabeth in 1987.