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Foundations · Credentialing

How Long Does Credentialing Take for an ABA Practice?

2 min read
3Part of Foundations · Level 3Payer credentialing — Get in-network with the Medicaid and commercial payers you need. See how we handle it →
In this guide · 4 sections
  1. The steps, in order
  2. Realistic timelines
  3. What slows credentialing down
  4. How to start sooner than you think

Credentialing is the part of starting (or growing) an ABA practice that surprises everyone. You hire a BCBA on Monday. You think they'll be billable in a couple of weeks. Three months later, you're still waiting on one payer.

Before you estimate a credentialing queue, decide which payer lanes your ABA practice will pursue first.

The steps, in order

  1. 1The BCBA's CAQH profile is complete, current and attested.
  2. 2An application goes to each payer you need, with the group's details attached.
  3. 3The payer reviews it, and usually comes back with questions.
  4. 4A contract or participation agreement is signed.
  5. 5The provider is loaded in the payer's system with an effective date. You can bill from that date, not before.

Realistic timelines

These are the ranges we see most often, assuming a clean application:

  • Medicaid (state-by-state): 60–120 days
  • Commercial payers (BCBS, Aetna, Cigna, UHC): 60–150 days
  • Tricare: 90–180 days
  • Adding an already-credentialed BCBA to your group (a roster add): 30–90 days

The slow payer in your mix sets the timeline. If even one big payer takes 5 months, that's when your new BCBA becomes fully billable across your panel.

first day
Medicaid · 60–120 days
Commercial · 60–150 days
Tricare · 90–180 days
4 months before6 months after
usually done by can take up to

billable with every payer about 6 months after their first day.

Typical ranges from this guide, assuming clean applications. The slowest payer sets the date.

What slows credentialing down

It's almost never the payer's processing time. It's the back-and-forth:

  • CAQH not attested or out of date
  • License or NPI mismatch on the application
  • Missing W-9 or group disclosure forms
  • Payer requesting clarification and the email sitting in someone's inbox

Before you submit, make sure the individual and organization NPI roles match the payer application.

Every round trip adds 2–4 weeks. The practices that get credentialed fastest are the ones with a single owner of the process who responds to payer requests within 24 hours.

Payer questions sit in an inbox6–12 extra weeks
application+2–4 wks+2–4 wks+2–4 wks
One owner replies within a daya few extra days
application
Each bar after the application is one round trip: the payer asks, someone answers.
Every back-and-forth with a payer adds 2–4 weeks when replies wait.

How to start sooner than you think

You can start credentialing before a BCBA's start date — once you have their license, NPI, and signed authorization to submit on their behalf. Starting two months before their first day is normal. Starting four months before is smart.

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