<?php
$orderId = ‘10000015’;
$order = Mage::getModel(‘sales/order’)->load($orderId);
// For getting Order Payment Info.
echo ‘<pre>';
print_r($order->getPayment());
// Show current order payment instance.
print_r($order->getPayment()->getMethodInstance());
// Show current order payment method instance.
print_r($order->getPayment()->getMethodInstance()->getTitle());
// Show current order payment Title only.
echo ‘</pre>';
?>