PENNYMAC | 64,087 followers on LinkedIn. Greatness Lives Here | PennyMac Loan Services, LLC (NMLS #35953) is a top national mortgage lender with over 4 million lifetime customers. Whether you are new to the home loan process or an experienced buyer, Pennymac is dedicated to offering competitive rates and superior service. Being an online mortgage lender means Pennymac can focus on the needs of its customers rather than maintaining a network of branches and banking products.