JNM Associates, Inc. is a full service bookkeeping, medical billing, and consulting service company.

Save time and money

JNM saves clients time and money by freeing them up to focus on what they do best. JNM offers competitive rates and produces results quickly and effectively.

JNM helps clients reduce the time, the mistakes, and ultimately the cost required in bookkeeping, accounting, and medical billing. We offer electronic medical billing services at low rates.

Increase revenue

Using JNM will allow clients to spend more time generating revenue by spending more time with prospective clients and customers or more time in the field.


Brian Marston is President of JNM Associates, Inc.

Mr. Marston has over 20 years of accounting and bookkeeping experience helping both large and small organizations maintain financial records for legal and tax purposes and for internal business control. He has more than seven years of experience doing medical billing for small medical offices.

He enjoys helping business executives control costs and manage the financial matters of their businesses so that they can make good decisions and maintain the financial integrity of their enterprises.


Mr. Marston earned a bachelor’s degree in Business Administration with emphasis in Accounting. He is a Certified Quickbooks Professional Advisor and a member of the American Institute of Professional Bookkeepers. Mr. Marston is proficient with modern computing applications including Microsoft Word, Excel, Quickbooks, Medisoft (a medical billing application), and more.