UPMC Northwest Subscribe to this hospital Address 100 Fairfield Drive Seneca, PA 16346 United States Phone Numbers Emergency Department Capabilities Stroke - Primary Center UPMC Northwest <p class="address" translate="no"><span class="address-line1">100 Fairfield Drive</span><br> <span class="locality">Seneca</span>, <span class="administrative-area">PA</span> <span class="postal-code">16346</span><br> <span class="country">United States</span></p>