Geisinger Medical Center Muncy Subscribe to this hospital Address 255 Rt. 220 Hwy Muncy, PA 17756 United States Phone Numbers Emergency Department Geisinger Medical Center Muncy <p class="address" translate="no"><span class="address-line1">255 Rt. 220 Hwy</span><br> <span class="locality">Muncy</span>, <span class="administrative-area">PA</span> <span class="postal-code">17756</span><br> <span class="country">United States</span></p>