Top 10 Gastroenterology Billing Companies in the USA

Transcure ranks as the top billing company in the USA for AI-native revenue cycle management. AI agents such as ELIXA, CLAIR, and DEXA run eligibility checks, claim scrubbing, and denial recovery across the GI workflow. Each complex colonoscopy and endoscopy claim passes through AAPC-certified coders before submission.

Gastroenterology revenue cycle management at Transcure targets the errors that drain GI margins. Screening-to-diagnostic colonoscopy conversions, modifier 33 application, and biopsy add-on codes are validated pre-submission. CLAIR compares every claim line against historical denial patterns and auto-corrects modifier mismatches.

Transcure delivers gastroenterology billing services covering coding, denials, audits, and provider credentialing under one contract. The AI RCM stack integrates with Epic, Athena, and Kareo, as well as 30-plus other systems. Live dashboards show clean-claim rates and denial trends for GI practices and endoscopy centers.

AnnexMed is a revenue cycle management company established in 2004, with offices in New York and Florida and delivery centers in India. It supports over 50 medical specialties, including cardiology, orthopedics, radiology, and behavioral health.

In gastroenterology, AnnexMed runs dedicated workflows for endoscopic procedures, including colonoscopy, EGD, ERCP, and capsule endoscopy. Its GI teams manage screening-to-diagnostic modifier distinctions, NCCI edit compliance for bundling, prior authorization tracking, and biopsy-to-pathology coordination for professional fee billing.

Outsource Strategies International (OSI) is a Tulsa, Oklahoma-based medical billing outsourcing company. Founded as a transcription division of Managed Outsource Solutions, OSI has over 21 years of RCM experience. Their services include coding, eligibility verification, claims submission, denial management, AR follow-up, and payment posting.

OSI provides dedicated gastroenterology billing and coding services for GI practices and ambulatory centers. Coders accurately handle colonoscopy, therapeutic endoscopy, and bowel disease claims. The team manages coding for GI cancer screening, pancreatic disease, and clinical nutrition services.

Invensis is a global business process outsourcing company based in Lewisville, Texas. It has provided medical billing outsourcing services since 2000, spanning over two decades. Services include coding, claims processing, eligibility verification, payment posting, denial management, and reporting.

Invensis has offered gastroenterology billing services for over 25 years. Its coders stay current with GI-specific coding guidelines and payer requirements. The company reports a 96%-98% clean claims rate and up to 95% net collection rates for gastroenterology clients.

Med Bridge LLC is a medical billing and revenue cycle management company based in St. Petersburg, Florida. It offers billing, coding, AR recovery, credentialing, and transcription services. The company supports specialties including cardiology, urology, nephrology, gynecology, radiology, and podiatry nationwide.

Med Bridge provides dedicated gastroenterology billing services with GI-trained coders. The team manages claim accuracy, denial handling, and rejection follow-up. Related hepatology billing support covers overlapping GI conditions requiring detailed coding.

Billing Paradise is a medical billing and revenue cycle management company that offers medical billing, coding, AR recovery, credentialing, front office management, and medical transcription services. The company supports specialties including cardiology, urology, nephrology, gynecology, radiology, and podiatry.

Billing Paradise provides dedicated gastroenterology billing services with coders trained in GI-specific coding guidelines. The team manages claim accuracy, denial handling, and rejection follow-up for gastroenterology practices.

iSolve RCM is a healthcare revenue cycle management company founded in 2020 and headquartered in Edison, New Jersey. It offers end-to-end billing services including eligibility verification, CPT and ICD-10 coding, claim submission, denial management, credentialing, and AR follow-up.

For gastroenterology, iSolve RCM manages the full RCM cycle for GI practices. This includes patient scheduling, insurance verification, and precise CPT and ICD-10 coding for procedures such as colonoscopy and endoscopy.

R1 RCM is a leading provider of technology-driven revenue cycle management services, founded in 2003 as Accretive Health. It serves health systems, hospitals, and large physician groups nationwide. Services span patient registration, insurance verification, medical coding, billing, claims submission, and denial management.

For gastroenterology, R1 RCM is positioned for large GI organizations and hospital systems with high-volume endoscopy suites. Its enterprise denial management handles complex endoscopy billing, though its infrastructure targets institutional scale.

Quest National Services is a national medical billing and revenue cycle management company serving 2- to 10-provider practices across 40+ states. It offers charge entry, claim submission, payment posting, denial management, eligibility verification, and coding audits.

The company services include claim submission within 48 hours, denial follow-up starting at 45 days, and daily claim audits for GI-specific CPT codes. Its team manages screening versus diagnostic colonoscopy classification, endoscopy documentation, and modifier accuracy.

Medical Billers and Coders (MBC) is a national medical billing consortium founded in 1999, headquartered in Wilmington, Delaware. It has over 25 years of experience and a team of 400+ certified specialists. Services span claims submission, coding, denial management, AR follow-up, and reporting.

For gastroenterology, MBC handles complex endoscopic and therapeutic procedure coding, including colonoscopy and upper endoscopy. This medical billing company provides a complimentary 90-day AR analysis and denial reduction for GI practices across clinics, ASCs, and hospital outpatient settings.