The urgent care industry in the U.S., as reported by the Urgent Care Association (UCA), has grown rapidly, with over 14,000 centers now operating nationwide. This number has nearly doubled in the past decade. The rise in demand for affordable healthcare outside emergency rooms has driven this explosive growth. To manage these, a growing number of practices are choosing to outsource medical billing services to streamline complex workflows, reduce denials, and improve cash flow. These issues directly hurt cash flow and make it difficult for clinics to focus on their patients.
Our comprehensive list of the Top 10 Best Urgent Care Billing Companies in the USA for 2026 guides providers to trusted billing partners who can improve revenue cycle management, reduce denials, and boost financial performance, so your clinic can focus on delivering quality care.
Nexus io
Nexus io, established in 2015, is a premier AI-powered RCM company known for its high-precision medical billing services. Their EHR platform is designed to streamline complex urgent care workflows, typically resulting in a 30% reduction in A/R days and a 30% revenue boost within the first few months of implementation. The company boasts an impressive 98% First-Pass Clean Claim Rate and 97% Collection Ratio, making it a standout in the urgent care billing services space.
Nexus io is highly rated for transparency, currently holding a 4.8/5 rating on Trustpilot and a strong 4.5/5 on GMB across its primary service hubs. Located in Phoenix, Arizona, Nexus io works with over 50 different medical specialties, making billing simple and efficient. Their certified billers and coders work on every claim with deep industry expertise to guarantee accuracy, compliance, and faster payment cycles.
Nexus io excels in urgent care, family medicine, and surgical specialties. Their AI-driven platform is designed for high-efficiency urgent care billing, providing medical billing services that are fast, accurate, and tailored for busy practices. Nexus IO brings complete urgent care billing services to your practice. Our team takes care of medical credentialing, insurance eligibility verification, claim submission, payment posting, and denial resolution. Plus, we handle the tough stuff like AR recovery and patient collections, ensure accurate charge capture, and provide real-time reporting dashboards.
Experity
Experity, formed through the merger of DocuTAP and Practice Velocity in 2019, is the market leader for Urgent Care. With a 98%+ clean claim rate, they reduce payment turnaround by an average of 15 days. Their focus on high-velocity throughput ensures that urgent care centers can handle large patient volumes without sacrificing revenue due to coding errors or payer compliance issues.
Experity carries a solid 4.1/5 rating on G2 and 4.6/5 on Capterra. Its standout feature is “Patient Engagement Integration”, which includes online registration and wait-room tracking, cutting front-desk bottlenecks. Reviews highlight its speed-focused design, though some large-scale users note that advanced analytics reporting can occasionally be complex to navigate.
Experity’s strengths lie in urgent care and emergency room billing, with a heavy emphasis on high-velocity patient throughput and compliance. Their platform is particularly suited for practices managing large volumes of walk-in patients.
BellMedEx
BellMedEx, founded in 2016, maintains a stellar 98% clean claim rate and is proven to reduce denial rates by 30% for its clients. They are known for a very fast transition process (under a week) and helping practices recover up to 30% of their outstanding A/R within the first quarter of service.
The company holds a dominant 4.8/5 rating on Trustpilot and 4.7/5 on GMB. Its core strength is “Claims Data Automation”, which scrubs claims against a massive payer-rule database. Reviews consistently emphasize their “24/7 Billing Support” and the responsiveness of their account managers, making them a favorite for providers who value constant communication.
BellMedEx shines in urgent care, family practice, and specialty-specific billing such as dermatology and orthopedics. Their ability to automate claims scrubbing makes them ideal for practices needing high accuracy and rapid claims processing.
Athenahealth
athenahealth, founded in 1997, reports a 98.2% clean claim submission rate by leveraging a massive national data network to scrub claims. Their “network intelligence” helps urgent care operators achieve faster throughput and has been shown to reduce AR days by an average of 30% across their provider base.
With ratings of 3.5/5 on G2 and 4.1/5 on Capterra, athenahealth is praised for its “Network Intelligence” feature, where a rule update for one payer benefits every provider on the system instantly. While users love the interoperability and simple interface, some negative reviews point toward a “pay-as-you-grow” pricing model that can become expensive for high-revenue practices.
athenahealth specializes in multi-specialty billing, excelling in urgent care, cardiology, and family medicine. Their platform is particularly beneficial for large-scale operations requiring integrated clinical and financial workflows.
MedCare MSO
MedCare MSO, established in 2012, reports an 88% first-submission payment rate, with many clients seeing a 10% increase in total collections. They specialize in resolving complex coding and “Old AR,” offering a pay-for-performance model that ensures the billing company is only successful when the practice gets paid.
MedCare MSO is highly rated for culture and service, with a 4.8/5 on Comparably and 4.5/5 on Google Reviews. Their signature “AI-Driven Rules Engine” contains over 4 million scrubbing rules to prevent denials. Testimonials often highlight their expertise in credentialing and their promptness in responding to specific billing inquiries.
MedCare MSO excels in urgent care, radiology, oncology, and dermatology billing. Their specialized tools for complex coding and denial management are particularly valuable to practices with diverse specialties and high volumes of claims.
AdvancedMD
AdvancedMD, founded in 1999, achieves a 98% first-pass claim acceptance rate and typically helps practices increase revenue by 15–20%. Their system processes most claims within 48 hours of a visit, significantly speeding up the cash flow cycle for multi-site urgent care centers.
AdvancedMD holds a 3.6/5 on G2 and a higher 4.1/5 on Capterra. A favorite feature is the “Task Donuts”, a visual dashboard that helps staff prioritize billing tasks. Reviews are generally positive regarding software flexibility, though some users have criticized the long-term contract requirements and the cost of additional modules.
AdvancedMD is known for its broad specialization in urgent care, pediatrics, family medicine, and behavioral health. Their multi-specialty platform ensures that urgent care centers of varying sizes benefit from a flexible and scalable system.
CareCloud
CareCloud, established in 1999, maintains a 90% collection rate and a 30% reduction in A/R through its concierge-level RCM service. Their system is highly adaptive, using an AI rule engine to stay current with changing state and federal regulations for specialties like Orthopedics and Cardiology.
CareCloud generally sees ratings between 3.2 and 4.2/5 on GMB and 3.5/5 on Capterra. Their most famous feature is “Breeze”, which slashes patient check-in times from 25 minutes to under 5 minutes. While the UI is often called the “Apple of Healthcare,” some reviews mention that customer support can be slow during peak hours.
CareCloud specializes in urgent care, orthopedics, ophthalmology, and cardiology billing. Their ability to handle complex coding for specialties, along with their focus on improving patient engagement, sets them apart in the billing space.
Tebra (formerly Kareo)
Tebra, originally established as Kareo in 2004, rebranded in 2021. Their Tebra Clinical EHR platform is widely recognized for its ease of use. They maintain a 95% first-pass claim rate and are designed to improve RCM efficiency by roughly 10% by automating patient payments and using color-coded alerts to track outstanding bills.
Tebra is very popular with small practices, holding a 4.1/5 on G2. Its standout feature is “Smart Reminders”, which reduces no-shows and lost revenue. Users frequently mention how easy it is to learn the system, though high-volume practices occasionally find the reporting tools less robust than enterprise-level competitors.
Tebra is particularly strong in urgent care and family medicine billing, providing specialized workflows to support small practices with efficient billing and claims follow-up. Their integration with patient management tools makes it easier for practices to stay on top of their financials.
CureMD
CureMD, founded in 1997, boasts a 98% clean claim rate and states that its clients receive payments 3x faster than traditional billing methods. Their integrated platform helps eliminate manual data entry, which they estimate saves practices roughly $30,000 in annual administrative costs.
CureMD is rated 4.2/5 on Capterra and has received several “Best in KLAS” awards for RCM. Their signature is “All-in-One Functionality”, where billing and EHR are natively built together. Reviewers appreciate the ROI and compliance guarantees, though some note the interface feels slightly more traditional than the “modern-web” look of newer startups.
CureMD specializes in urgent care, dermatology, OB/GYN, and orthopedics billing. Their all-in-one platform ensures a seamless experience for high-volume practices with multiple specialties, reducing administrative burdens and improving payment cycles.
NextGen Healthcare
NextGen Healthcare, originally QSI, was established in 1974 and offers a high-performance RCM service that achieves a 98% claim acceptance rate and has been shown to reduce A/R days to as low as 13 days for top-performing practices. Their platform is designed for high-volume ambulatory environments, helping clinics see an average revenue increase of 10–20% through a predictive rules engine that identifies errors before they lead to denials.
The system is highly integrated, and its standout feature is “Ambient Assist”, an AI-driven clinical documentation tool that converts natural patient-provider conversations into structured SOAP notes with 90% accuracy. This feature is a game-changer for busy urgent care providers, potentially saving them up to 2.5 hours per day in charting time.
While NextGen holds a strong 4.2/5 on G2 and a 7.5/10 on TrustRadius, reviews frequently highlight its extreme customizability for over 26 specialties. Core specialties include Urgent Care, Family Medicine, Internal Medicine, Pediatrics, Orthopedics, Dermatology, and Cardiology. However, some users note the interface requires “too many clicks” and mention that customer support response times can vary for smaller practices compared to their enterprise-level clients.
How to Choose the Best Urgent Care Billing Company
Picking the right billing partner can feel overwhelming, but focusing on these key factors makes the decision clearer:
Industry Experience & Specialization
Look for at least 5 years of urgent care-specific experience because generic billing companies won’t understand walk-in coding, after-hours modifiers, and the payer quirks you face daily.
Range of Services
Choose a partner who handles the entire cycle from insurance verification to denial resolution, not just basic claim submission.
Technology & Integration Capabilities
Make sure they use AI-powered claim scrubbing and integrate seamlessly with your existing EHR because poor integration creates more problems than it solves.
First-Pass Claim Acceptance Rate
Ask for their first-pass claim acceptance rate (top companies hit 92-96%) and average denial resolution time to gauge real performance.
Transparent Pricing Structure
Get everything in writing and watch for hidden charges on credentialing, patient statements, or reporting since most companies charge 4-8% of collections.
Customer Support & Communication
Confirm they offer 24/7 support with a dedicated account manager who actually knows your practice and responds quickly.
Conclusion
Patients are looking for convenient alternatives to emergency rooms, which is driving growth in the urgent care sector. This expansion necessitates the use of specialized urgent care billing services that are aware of your particular difficulties. Many practices are opting to outsource medical billing services to streamline their financial operations.The companies in this list represent 2026’s top urgent care billing providers. By offering cutting-edge outsource medical billing services, Nexus io helps urgent care centers streamline their revenue cycle and increase revenue by up to 30%. You can select any of these leading urgent care billing companies which suits closest to your requirements.
