Medical billing and revenue cycle management for US healthcare providers

SPECIALTIES

Billing Guides by Specialty

Pick your specialty to see common codes, top denial reasons and a simple provider checklist.

Primary Care

E/M, preventive and chronic care billing.

Cardiology

Tests, procedures and global or split billing.

Urgent Care

Walk-in visits, procedures, labs and X-rays.

Mental Health

Therapy time codes, telehealth and credentialing.

Physical Therapy

Timed codes, therapy modifiers and plans of care.

Dermatology

Biopsies, procedures and medical versus cosmetic care.

Orthopedics

Global periods, fracture care, injections and surgery.

Pediatrics

Well-child visits, vaccines and screenings.

Ready to Review Your Billing?

Request a free billing audit and see where revenue may be slipping through.

MedRexon

Medical billing services for practices across the USA.

Copyright 2026 MedRexon. All rights reserved.