- [[David J. Sheffner]] - Qualifications: M.D. - Languages: English - Declaration: 11/11/2021 - Phone: 949-645-4323 - Address: 320 Superior Avenue, Ste. #330, Newport Beach, CA 92663 #Expert #Custody-Evaluator #Orange-County #Custody-Evaluator/Orange-County #Orange-County/Custody-Evaluator