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Medical billing and credentialing services across the United States
Core MB is based in Brooklyn, New York and works with healthcare practices in every state and the District of Columbia. Choose your state for the payers, programs and local considerations behind our credentialing, billing, website, marketing and virtual assistant services.
Choose your state
Each page covers the state Medicaid program, the Blue plans and other major payers, the Medicare administrator, licensing and the questions practices there ask most.
Northeast
Dense payer markets, strong regional Blue plans and state-run Medicaid programs with their own enrollment systems.
South
Fast-growing practice markets where Medicaid managed care plans credential separately from the state program.
Midwest
Mixed urban and rural markets, with regional health plans that matter as much as the national carriers.
Southwest
Large states with long distances between metros, where remote billing and credentialing support is the norm.
The same five services in every state
Location changes the payers, not the work. Each state page shows what is specific there; the services underneath are the same ones on this site.
- Provider credentialing and payer enrollment
Medicaid, Medicare, Blue plans and commercial payers, tracked live in your client portal. Credentialing →
- Medical billing and revenue cycle management
Claims, denials, AR follow-up, posting and reporting for any specialty. Medical billing →
- Websites, marketing and virtual assistants
Practice websites, local search and HIPAA-compliant remote staff. All services →
Not sure where to start?
Tell us your state, specialty and the payers you bill, and we will send a written quote.