Nurse practitioner ‘blessed’ to serve in Groesbeck Sat, 07/10/2021 - 12:00am Nurse practitioner Amy Oakes Silar, MSN, APRN, FNP-C is now working with physician’s assistant Dori Sims and Dr. Jeffrey Rettig ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Nurse practitioner ‘blessed’ to serve in Groesbeck