End-to-End Gastroenterology RCM

Gastroenterology Billing Services for High-Volume Endo Suites and GI Groups

AnnexMed’s gastroenterology RCM services span diagnostic endoscopies to therapeutic procedures, streamlining billing, maximizing collections, and ensuring compliance through certified GI coders and AR experts.

RCM Expertise That Goes Deep, Like Your Scopes

Whether you’re billing for a routine colonoscopy or a complex ERCP, gastroenterology billing demands precision. AnnexMed specializes in translating detailed procedure notes, applying accurate modifiers, and aligning with evolving payer rules to generate clean claims. With our GI-specific billing services, your team can stay focused on care while we safeguard your revenue and compliance.

We Know Where GI Billing Breaks, Because We’ve Fixed It Before

You don’t need another generic billing checklist. You need someone who knows how GI claims actually fall apart and how to prevent it before it hits your AR.

How AnnexMed Solves the Operational Breakdowns in Gastroenterology Billing

AnnexMed brings precision to every aspect of gastroenterology billing, coding, documentation, and payer-specific workflows. We help GI practices reduce denials, speed up reimbursements, and stay fully compliant without slowing operations.

Coders Trained in GI-Specific CPT and Modifier Logic
Accurate Documentation Mapping Before Submission
Integrated With 40+ EHRs and PM Systems
Dedicated Teams for Prior Auths and COB Checks
Scalable Support From Solo GI Clinics to Multi-Provider Groups
Pre-Submission Audits That Catch Denials Before They Happen

Gastroenterology RCM Built for the Pace and Complexity of GI Practices

From front-end checks to denial prevention, we align every step to reduce errors, speed up payments, and protect compliance.

Front-End Checks That Prevent Costly Claim Lag

We verify eligibility, benefits, and COB up front to avoid downstream rejections. This clears bottlenecks and speeds up gastroenterology reimbursements.

Prior Auths Secured for High-Risk GI Procedures

We manage authorizations for scopes, sedation, and advanced diagnostics. Timely approvals help prevent GI claim denials and treatment delays.

GI AR Management That Keeps Revenue Flowing

Our gastroenterology AR management workflows push claims from submission to resolution with strategic follow-up.

Denials Tracked, Fixed, and Prevented

We map patterns, resolve root issues, and build payer-specific edits to stop repeat denials in their tracks.

GI Coding Precision With Modifier Logic

Every procedure from colonoscopy to ERCP is coded with accurate sequencing, bundling, and modifiers (-59, -26, -51).

HIPAA-Compliant GI Billing That’s Always Audit-Ready

We ensure HIPAA-compliant GI billing with pre-submission checks, aligned documentation, and payer-specific reviews for clean, audit-ready claims.

GI Billing Compliance You Can Trust

Compliance Built Into Every Step of Your GI Revenue Cycle

In gastroenterology billing, compliance is foundational to how every process runs, from documentation to payer submissions. At AnnexMed, every GI claim moves through workflows aligned with HIPAA, FDCPA, and payer-specific billing rules to protect PHI, reduce audit risk, and meet evolving regulatory standards.

Our in-house compliance team oversees live audits, system monitoring, and quarterly HIPAA training to keep your billing audit-ready. With SOC 2, ISO 27001, and credentialing oversight in place, we ensure your revenue stays secure, your data protected, and your team confident under review.

SOC 2 Type 1

Reporting on controls at a service organization

ISO 27001:2022

Securing and protecting information

ISO 9001:2015

Achieving quality policy and quality objectives

SOC 2 Type 2

Implemented the SOC 2 approved by AICPA

Case Studies

How Healthcare Teams Are Winning with AnnexMed

From Errors to Excellence! Florida Ortho Practice Hits 95% Coding Accuracy

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Coding Accuracy

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Denial Reduction

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Turn Around Time

Frequently Asked Questions in Outsourcing Gastroenterology Billing

How quickly can we go live with AnnexMed for gastroenterology billing?

Most practices can go live within 15 to 30 days. We start with a discovery and SOP setup phase, followed by test claim runs, compliance alignment, and a clean handoff into live billing.

Do you provide support for credentialing or payer enrollment?

Yes. Our credentialing team supports gastroenterology billing operations by managing with new enrollments, revalidations, and updates to keep your providers in-network and prevent claim rejections due to outdated records.

How do you ensure our internal team stays aligned during the transition?

We provide structured onboarding with shared SOPs, clear communication protocols, and dedicated account managers. During the transition, our team shadows your gastroenterology billing workflows, runs test claims, and holds daily syncs to ensure continuity without disruption.

Can we outsource only part of our billing workflow, or does it have to be full-cycle?

You can choose full-cycle RCM or modular support based on your internal capabilities. Some practices rely on us for AR cleanup and coding only, while others prefer full end-to-end support.

Can you integrate with our existing EHR or practice management system?

Yes. We work with 40+ EHRs and PM platforms including eClinicalWorks, ModMed, Athena, AdvancedMD, and more without requiring major workflow changes.

What kind of reporting or visibility will we get into our billing performance?

We provide detailed dashboards and custom reports that track reimbursement trends, AR aging, denial reasons, and procedure-level insights specific to gastroenterology.