Greg Germann as Dr. Koracick. After telling Cristina that he knew she had... Craig Thomas | Grey's Anatomy Universe Wiki | Fandom Greg Germann as Dr. Koracick. Dr. Craig Thomas was an attending cardiothoracic surgeon who worked at the Mayo Clinic with and mentored Cristina Yang after officiating her boards. In order to fix her heart, they had to deliver her baby at 24 weeks gestation. ET on ABC. ... Grey's Anatomy: The Season 16 Doctors Dr. Thomas Koracick. Directed by Michael W. Watkins. Dr. Koracick is the head of neurosurgery at Johns Hopkins, and he's also one of Amelia's old professors. With Ellen Pompeo, Chandra Wilson, James Pickens Jr., Kevin McKidd. The midseason premiere was Jan. 23 at 9 p.m. Grey's Anatomy 2020 has just thrown a huge wrench into Amelia's love story and pregnancy. ... (Kim Raver), and Teddy’s then-boyfriend Thomas Koracick (Greg Germann). After he was born, Tommy was taken to the NICU. Thomas Peterson was the son of Morgan Peterson. Owen and Link treat an older woman who wakes up from surgery and can't stop singing, while Teddy helps Koracick stay afloat after an estranged loved one from his past comes to the hospital looking for help. Grey’s Anatomy returned for season 16 on Sept. 26, 2019 at 8 p.m. Even though the most recent episodes … When Morgan Peterson was 24 weeks pregnant, she had a spontaneous coronary artery dissection which caused a heart attack. ABC Pin it! The midseason premiere was Jan. 23 at 9 p.m.