REX Billing & Coding Services
The Medical Billing & Coding Specialists
Helping healthcare providers receive accurate, timely payments while ensuring full HIPAA compliance.

Empowering healthcare providers through accurate billing, timely payments, and trusted compliance.
Our purpose is to ensure healthcare providers are paid accurately and promptly for the services they deliver—while protecting patient data, promoting health, and strengthening trust in medical billing.
What We Do
Our Services
Comprehensive solutions that streamline your medical billing, coding, and claims management with precision and care.
Medical Coding
Assigning accurate CPT/ICD-10/HCPCS codes for procedures and diagnoses.
Medical Billing
Preparing and submitting invoices to patients and insurance providers.
Claims Management
Tracking claims, fixing rejections, and speeding up reimbursements.
Chart & Claim Review
Verifying bills, rejected claims, and communicating with all parties.
Medical Communication
Liaising with doctors and insurers for updates and payment coordination.
EMR Monitoring
Keeping electronic records up-to-date and ensuring accuracy.
HIPAA Compliance
Protecting patient data and staying aligned with industry laws.
Error Prevention
Careful reviews to avoid delays or incorrect charges.
Tax Services
Accurate tax filing and compliance support for healthcare providers.
Payroll Services
Confidential, timely payroll processing tailored for medical teams.
Discover how we can
help your practice
Why REX?
Why Choose Us

Meet Our Founder
Dr. Richard Oni, CEO of REX Billing & Coding Services, brings years of experience in healthcare operations and medical billing. His mission is to streamline the financial process so healthcare providers can focus fully on patient care.
Accuracy is not optional—it’s our promise.
Let’s Get Your Billing On Track
Contact us for a free consultation and see how we can improve your claims process and reduce denials.
Contact Us
Have questions or ready to improve your billing process?
We’re here to support your practice with fast, accurate, and compliant medical billing services. Reach out today to schedule a free consultation or learn more about how we can help streamline your revenue cycle.
