California coastline
States we serve

Behavioral health billing in California

The largest behavioral-health treatment market in the country — and Centerline's home. We've billed for California SUD and mental-health facilities from our Laguna Hills office since 1994.

California is the largest and one of the most complex behavioral-health treatment markets in the United States — thousands of licensed substance-use and mental-health programs, a deep bench of commercial payers, an expansive Medi-Cal landscape, and some of the most actively enforced parity law in the country. Centerline is headquartered in Laguna Hills and has served California facilities since 1994. This is the market we know best.

What shapes billing in California

  • SUD residential and outpatient programs are licensed and certified through the Department of Health Care Services (DHCS)
  • A broad commercial payer mix — national carriers, California Blue plans and managed-care intermediaries
  • Strong mental-health parity protection under California law and active regulatory enforcement
  • Significant out-of-network dynamics for SUD treatment, where verification and appeals discipline matter most
  • Level-of-care transitions — detox, residential, PHP, IOP — each with its own authorization expectations

How we work with California facilities

1

Verify against the California payer mix

We confirm benefits and level-of-care coverage across the commercial and managed-care plans your California patients actually carry — before admission.

2

Authorize and defend medical necessity

We secure precertification and manage concurrent review, documenting the clinical picture to the standard each payer's reviewer expects.

3

Bill clean and follow relentlessly

Claims go out fast and accurate, and we work them through to payment — with the parity protections California affords behind every appeal.

4

Recover what's aged

We pursue the aged and denied California claims other billers left behind — revenue your facility already earned.

A California partner, not a distant vendor

Being based in California isn't just an address. It means a team in your time zone that understands the DHCS licensing landscape, the parity climate and the commercial payers your facility bills every day — an extension of your leadership team, not a call center three time zones away.

Free billing review

Bill California with a California partner.

We'll review how your current billing and aged A/R are handled and show you exactly where the leaks are — no cost, no obligation.