National Medical Billing Services Acquires National Billing Partners

Aquiline Capital Partners Invests in National Medical Billing Services

February 3, 2021

Healthcare Services

Aquiline Capital Partners has made a strategic growth investment in National Medical Billing Services, a St. Louis–based provider of revenue cycle management for ambulatory surgery centers (ASCs). Aquiline will support National Medical's expansion by investing in technology, analytics and business development to accelerate the company's growth and capabilities.

National Medical Billing Services Acquires Medi-Corp, Inc.

May 17, 2022

Healthcare Services

National Medical Billing Services, a surgery-focused revenue cycle management (RCM) company backed by Aquiline Capital Partners, has acquired Medi-Corp, Inc., a Cranford, New Jersey-based RCM provider specializing in anesthesia, ASCs, and pain management. The add-on expands National Medical's anesthesia billing capabilities and marks the firm's third transaction since its January 2021 partnership with Aquiline.

National Medical Billing Services Acquires MedTek, LLC

October 25, 2022

Healthcare Services

National Medical Billing Services, a surgery-focused revenue cycle management provider backed by Aquiline Capital Partners, has acquired MedTek, LLC, a Woodland Hills, California-based provider of medical transcription, coding, billing and ASC-focused RCM software. The add-on expands National Medical’s end-to-end RCM capabilities for ambulatory surgery centers, hospitals and anesthesia groups and is the firm’s fourth transaction since its partnership with Aquiline in January 2021.

Fellow Health Partners Acquires Billing Services, Inc.

January 14, 2020

Healthcare Services

Fellow Health Partners, a New York-based medical business solutions company, has acquired Billing Services, Inc. (BSI), a long-established medical billing firm with locations in Manhattan, Ronkonkoma, and East Hampton, New York. The acquisition gives Fellow Health Partners additional billing scale and client relationships (BSI handled over $400 million in billing for 250+ clinicians) and enables the combined company to deploy Fellow's SAVi technology and training to expand services.

Nexsys Acquires Palomar Billing Services

August 18, 2025

Healthcare Services

Nexsys Billing & Practice Management has acquired Palomar Billing Services, a San Diego-based medical billing and revenue cycle firm with a 35-year history. The deal expands Nexsys’s revenue-cycle capabilities and specialty support—combining Palomar’s local client base with Nexsys’s Denials Management platform and AI-powered tools to better serve independent and larger physician groups nationwide.

Sheridan Capital Partners Invests in National Care Systems

September 16, 2025

Healthcare Services

Sheridan Capital Partners completed an investment in National Care Systems (NCS), a Brooklyn-based provider of revenue cycle management and payroll software serving skilled nursing and assisted living facilities across the United States. The investment will support NCS’s expansion of partnerships with post-acute facilities while founder and CEO David Klein remains in place; financial terms were not disclosed.