Dr. Casner Dr. Casner is the Laboratory Director at Jane Phillips Medical Center in Bartlesville, Oklahoma. He practices clinical pathology and anatomic pathology with an emphasis on gastrointestinal pathology. Dr. Casner joined Pathology Laboratory Associates, Inc. in July of 1996, after successfully completing an anatomic and clinical pathology residency in June of 1996 at Baylor University Medical Center in Dallas, Texas. Prior to that, he successfully completed one year internships in internal medicine and diagnostic radiology, also at Baylor. Dr. Casner is a graduate of Texas Tech University (1986), where he majored in biology.