Gnaden Huetten Memorial Hospital, Lehighton, announced specialists in obstetrics and gynecology and internal medicine have joined its staff.

They are Dr. Horng Ming Horng, O.B. and gynecology, and Dr. Kenneth Slater, a specialist in internal medicine.

Dr. Horng is establishing his practice on Interchange Road in Lehighton following the completion of a four-year residency at the Brooklyn Cumberland Medical Center, New York City.

Dr. Slater will work out of the Dr. Diaz Medical Building, Route 443, which was previously occupied by Dr. Serge Grynkewich, who is leaving the area. He completed his residency at the Cabrini Health Care Center in New York City.