$orderId = '10000015'; // put your order id
$order = Mage::getModel('sales/order')->load($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>';

<?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>';

?>