Aergo Solutions LLC merges with Citadel Outsource Group, LLC

Aergo Solutions LLC merges with Citadel Outsource Group, LLC - Aergo Solutions LLC merges with Citadel Outsource Group, LLC

In June 2017, Aergo Solutions LLC (“Aergo”) and Citadel Outsource Group, LLC (“Citadel”), a portfolio company of Northstar Capital LLC (“Northstar”), announced that they have merged to create one of the preeminent revenue cycle technology and services firms in the United States. Working with over 300 providers in 25+ states across the US, the combined firm, Aergo Citadel Services, has the scale and experience to help any healthcare provider tackle their revenue cycle challenges.

The vision of Aergo Citadel Services is to be the partner of choice to all healthcare providers for their critical revenue cycle management needs. The company solves problems through a customized mix of services, consulting and technology that can change over time to meet clients’ evolving needs.

​In conjunction with the merger, additional financing was provided by Deerpath Capital Management, LP and Northstar Mezzanine Partners V, LP.

Northern Edge acted as exclusive financial advisor and Ballard Spahr LLP acted as legal counsel to Aergo. Briggs and Morgan, P.A. acted as legal counsel to Citadel.

About Aergo

Aergo is a leading provider of healthcare revenue cycle management services and technology. Its products and services support a wide range of revenue cycle processes, including accounts receivable management, clinical and technical denials recovery and managed care contracting.

About Citadel

Citadel serves as the outsourced business office for its clients, providing routine billing services after patient discharge and collection of aged receivables from insurance companies or government payors.

About Northstar

Founded in 1993, Northstar manages 6 separate partnerships with more than $1 billion in commitments, investing in more than 80 transactions. Our exclusive business is junior capital. For additional information about Northstar, please visit

About Deerpath

Deerpath Capital Management, LP is a leading provider of senior debt financing to lower middle market companies across diverse industries. Since inception in 2007, the firm has completed nearly 200 investments, deploying over $1.4 billion of invested capital across a broad range of investment products and transaction types. Visit to learn more.

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