About Us

About West River Medical Billing

West River Medical Billing is a full service medical billing, medical coding, and provider credentialing company in the Black Hills of South Dakota. We also serve medical providers in North Dakota, Wyoming, and Nebraska.


Andrea Maestas is the owner of West River Medical billing. She lives in Rapid City, SD and is an Air Force veteran. Andrea is a Certified Medical Reimbursement Specialist. She was the business manager of Black Hills Medical Billing before it was sold. She formed West River Medical Billing in January of 2018. With extensive knowledge in several specialties, West River Medical Billing can meet your billing, coding, and credentialing needs.

Our mission is clear: To ensure providers receive accurate and timely reimbursement. We don't get paid until you get paid.


Our services are tailored specifically to meet each client's practice requirements. While adhering to good old-fashioned business ethics and the belief that excellent customer service can only be provided by dedicated, knowledgeable and friendly people, we believe that in a world of evolving technologies, financial challenges and aggressive competition, it is our duty to provide our clients with high-tech service and support.  

Services include: Medical billing, medical coding, credentialing, patient statements, follow up on denied claims, and electronic filing.

© 2019 by West River Medical Billing

PO Box 9744, Rapid City, SD 57709

Tel:  605.824.6888

Fax: 605.231.4312