2019 Report to Our Community l 11 medical staff MCH welcomed three new clinicians to our outstanding medical staff in 2018. new faces SherriWalden,APRN Family Medicine Antrim Medical Group 603-588-4200 e d u c at i o n Rivier University; Southern New Hampshire University Peter Cohen, DO Internal Medicine Jaffrey Family Medicine 603-532-8775 e d u c at i o n Des Moines University College of Podiatric Medicine and Surgery Xiaoxi Ouyang, MD Internal Medicine Jaffrey Family Medicine 603-532-8775 e d u c at i o n McGill University School of Medicine