Prepared. Join us in welcoming Jeffrey A. Keyser, DO and Thomas M. O'Connor, DO to WellSpan General Surgery. Jeffrey A. Keyser, DO General & Vascular Surgeon Thomas M. O'Connor, DO General & Vascular Surgeon Start your relationship with WellSpan today. For an appointment with Dr. Keyser or Dr. O'Connor, call (717) 733-4644. For more information visit WellSpan.org/NPL Now accepting new patients. Call (717) 733-4644 to make your appointment.http://www.WellSpan.org/NPL