1 payer matrix
Every state and payer rule the group bills under, dated and sourced, loaded once.
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White paper · Multi-location ABA operations
ABA billing for multiple locations: one model for every site
Short answer: multi-location ABA groups lose money the same way: each site keeps its own payer rules, unit counting and denial pile. The fix is five shared objects, the 2026 state rules they carry, and a ledger built for the prior authorization API on January 1, 2027.
15-minute units · RBT under BCBA
CMS-0057-F · API Jan 1, 2027
5 objects · 90-day rollout
Edition
1 · 2026
Focus
Multi-location ABA
Audience
COO · RCM director
Framework
5 shared objects
Horizon
90 days
Effective date
API Jan 1, 2027
5objects
Matrix, ledger, roster, queue, reconciliation: shared across every site
Jan 12027
Prior Authorization API required of Medicaid MCOs, FFS and MA under CMS-0057-F [2]
72h / 7 days
Expedited and standard decision clocks since January 1, 2026 [2]
90days
Rollout from site-level to centralized billing
Three sites, three versions of every rule, and no single report that explains the drift
One clinic runs on a spreadsheet and a good office manager. By the third location that produces three versions of every payer rule, three ways of counting units and three denial piles nobody reconciles. ABA is authorized in 15-minute units under modifier, credential and telehealth rules that differ by state and payer. When each site owns its own rules, the group has no rules.
1 auth ledger
Every authorization in 15-minute units, matched to sessions and claim lines.
1 enrollment roster
Every BCBA, BCaBA and RBT, every NPI, every payer effective date.
1 denial queue
Every denial by root cause and owner, not by site.
1 remit reconciliation
Every 835 line to its ledger row and dated rate; cash per delivered hour by site.
Takeaway
Centralizing ABA billing does not mean one office doing everything. It means one set of rules, one ledger and one queue, with the work assigned wherever the people are.
State rules diverged in 2026; a group in four states holds all of them at once
Several 2026 rules turn a documentation or modifier gap into a denied unit. The matrix is maintained centrally and read by every scrubber rule and reauthorization packet; each row carries the rule, source, effective date and control. A rule with no control is a memo. Our public ABA payer policy matrix is the starting dataset.
| Jurisdiction | Rule | Effective |
|---|---|---|
| Indiana Medicaid [3] | Credential modifiers U1 (RBT), U2 (BCaBA), U3 (BCBA, BCBA-D, HSPP); group-size modifiers U4, U6, U8; UA on comprehensive services under a 4,000-hour lifetime allocation; no modifier 95 on 97151 to 97154 or 0373T; one supervision hour per eight technician hours | DOS Apr 1, 2026 rate phase Apr 1, 2027 |
| North Carolina Medicaid [4] | Paraprofessionals need RBT or ABAT certification (120-day grace from August 1, 2026); no telehealth for 97152 to 97154; plans above 16 hours a week reauthorized every three months; at least 10% of paraprofessional hours observed by the LQASP | Aug 1, 2026 |
| Missouri Medicaid [5] | Exact start and stop times, no block billing, sum minutes per code per day, one line per code per day or the claim denies as a duplicate | Hot tip Sep 9, 2026 |
| New York Medicaid FFS [7] | 97153 by unlicensed individuals or technicians paid at $9.63 per unit | DOS Oct 1, 2026 |
| Washington Apple Health [8] | 97153 $12.40 with prior authorization; 97151 $18.79, limit 28 units per assessment and two assessments a year | Jul 1, 2026 |
| BCBS Nebraska policy I.178 [12] | Plans up to 25 hours a week; only 97155 and 97156 payable by telehealth; LBA or BCBA supervises at least 25% of BCaBA direct hours | Nov 15, 2026 |
| BCBS Michigan, Blue Care Network [10] | Blue Cross Behavioral Health applies updated ABA criteria to admissions, continued stays and discharge planning for commercial, Medicare Plus Blue and BCN Advantage members | DOS Jan 1, 2027 |
| Point32Health (Harvard Pilgrim, Tufts) [9] | Center-based ABA providers in Massachusetts and Rhode Island accredited by January 1, 2027; all other providers, including New Hampshire, Maine and Vermont, by January 1, 2028 | Jan 1, 2027 Jan 1, 2028 |
| Iowa group plans [11] | No aggregate annual or lifetime limit on autism spectrum disorder benefits and no limit on outpatient ABA visits for covered group plans renewed on or after January 1, 2026 | Jan 1, 2026 renewals |
The same technician unit of 97153 across three state Medicaid schedules a multi-state group may bill in one week
Per 15-minute unit, dated schedules [3] [8] [7].
$16.04100%Indiana U1from Apr 1, 2026
$15.39-4.1%Indiana U1from Apr 1, 2027
$12.4077% of INWashingtonfrom Jul 1, 2026, with PA
$9.6360% of INNew Yorkfrom Oct 1, 2026
Indiana phasesWashingtonNew York
1
One matrix ownermonthly review
State bulletins and payer policy updates for every jurisdiction the group bills in.
2
Every rule becomes a controlscrubber, scheduling or reauth checklist
If it cannot be expressed as a control, write down why.
3
Version by effective dateDOS-aware
A March 2026 Indiana claim is checked against March rules, not April rules.
4
Push the control, not the bulletinto site leads
BCBAs and RBTs need to know what to document, not what to read.
The heart of the model, and the API that arrives on January 1, 2027
Every authorization is a row: member, payer, codes, units authorized, dates, plan type, unit convention. Sessions post as delivered units, claim lines as billed units; the gap is the leakage report. Under CMS-0057-F, impacted payers must decide in 72 hours expedited and seven calendar days standard with a specific denial reason, generally since January 1, 2026, and from January 1, 2027 run a Prior Authorization API that identifies documentation requirements and returns an approval with its end date, a denial with a reason, or a request for more information [2].
- 1Jan 17, 2024CMS-0057-F final rule published [2]
- 2Jan 1, 2026Decision timeframes, specific denial reasons and public metrics provisions generally begin
- 3Mar 31, 2026First annual public prior authorization metrics due on payer websites
- 4Jan 1, 2027Prior Authorization, Patient Access, Provider Access and Payer-to-Payer APIs generally required
Drug prior authorizations are excluded from the rule; QHP issuers are excluded from the decision timeframes [2]. Medicaid MCOs, which authorize most ABA units, must expose documentation requirements and return structured decisions.
| Ledger field | Source | Control it feeds |
|---|---|---|
| Units authorized by code and modifier | Payer decision (portal, fax or API) | Scheduling cannot exceed; claims cannot exceed |
| Authorization start and end date | Payer decision | Reauthorization packet opens 30 days before end; sessions after end date are held |
| Plan type (comprehensive or targeted) and lifetime units used | Payer decision, member history | Indiana UA modifier and 4,000-hour allocation [3] |
| Units delivered | Session record with start and stop times | Three-way match; weekly utilization by site and BCBA |
| Units billed and paid | Claim line and remittance | Sessions with no line are defects; paid units reconcile to the schedule |
| Decision timeframe met | Request date and decision date | Escalate to the plan when 72 hours or 7 days is missed [2] |
| API response, decision date, end date, denial reason text | Prior Authorization API from January 1, 2027 | Route the reason to its owner; see the API readiness map for what to ask each MCO |
Takeaway
Centralize the ledger first. It is the one object that every site, every payer and every denial already touches.
One row per credential per payer: in 2026 the roster became a condition of payment
Georgia
Jul 1, 2026 revalidation
- Missed revalidation: later dates of service unpaid
- New effective date is the submission date, no retro-enrollment
- Termination 30 days after the suspension letter if nothing is filed [6]
North Carolina
Aug 1, 2026
- Paraprofessionals must hold RBT or ABAT certification to be reimbursed
- 120-day grace for existing staff; 120 days from hire for new staff [4]
Indiana
Specialty must match
- Rendering provider for 97153 enrolled under 625 (RBT), 624 (BCaBA) or 615 (BCBA, BCBA-D, HSPP)
- The claim modifier must match [3]
Point32Health
Accreditation
- Center-based MA and RI providers by January 1, 2027; all others by January 1, 2028
- Billing and authorization procedures do not change [9]
1
One roster across every entity and site
Billing NPI, rendering NPI, taxonomy, certification number and expiry, and each payer's effective and revalidation dates.
2
Run it against the state revalidation calendarmonthly
And against the certification registry before the first claim for any new RBT or BCaBA.
3
Block scheduling where enrollment is pending
Or route those sessions to a held-claims report with a release date.
4
Credentialing as a timed pipelineowner per application
Our BCBA credentialing service runs on CredPro, our credentialing platform: document intake, parallel payer submission and effective-date capture on one record. A slow enrollment costs what our 22-day BCBA credentialing case study shows; a lapsed one, after Georgia's July 2026 deadline, costs every unit billed until fixed.
One queue
Site-level denial work produces heroics and no learning. A central queue by root cause, payer and owner turns the same denials into template fixes. Each item carries the CARC and RARC codes, the ledger row, the rendering credential and the matrix rule missed, so the owner fixes the control, not the claim.
| Root cause | Typical signal | Preventing owner |
|---|---|---|
| Authorization missing, exhausted or expired | Units above the ledger; dates outside the window | Authorization team (ledger) |
| Modifier or credential mismatch | Indiana U1, U2, U3, U4, U6, U8, UA; North Carolina uncertified paraprofessional | Scrubber rules owner (matrix) |
| Enrollment not active | Georgia post-July 1 denials; new RBT billed before effective date | Credentialing team (roster) |
| Unit conversion or duplicate line | Multiple lines per code per day; units above documented minutes [5] | Billing lead (session-to-claim rule) |
| Telehealth not allowed for code | Place of service 02 or 10 on 97152 to 97154 in Indiana or North Carolina [3] [4] | Scheduling template owner |
| Reauthorization not supported | Plan above 16 hours a week without three-month reauth in North Carolina; Indiana FBA missing at reauth | Clinical documentation lead |
How we run itWork Genie, our AR and denial workflow tool, is built around exactly this: one queue, one owner per root cause, every touch recorded, and a payer prior-authorization form library behind the authorization work. The three-way match recovery case study shows a 42-site chain reversing $1.4M of takebacks once every claim was gated on authorization, supervision ratio and the session note.
Takeaway
Measure the queue by root causes closed, not by claims touched. A root cause closed stops denying at every site at once.
Cash per delivered hour by site: the number that tells leadership whether the model works
Every remittance line reconciles to the ledger row, the dated contract rate and the date of service; variances are underpayments to escalate or defects to fix.
Cash per delivered hour
By site, payer, code
The number that compares locations fairly after rate cuts.
Authorization utilization
Weekly
Delivered units over authorized units by site and BCBA.
Remit-to-schedule variance
By payer
Paid amount versus the dated fee schedule or contract.
Sessions without a line
Five business days
Delivered sessions with no billed claim line.
1
Post every 835 line to its ledger row
By member, date of service, code and modifier; lines that find no row are the first exception report.
2
Compare paid to the dated schedule or contract30 days to escalate
Variances above a set threshold go to a written payer escalation.
3
Roll up by site, payer and codemonthly
Delivered hours, paid dollars, denied units; publish cash per delivered hour as the one comparison metric.
4
Feed every variance root cause back
Into the matrix, the roster or the scrubber so the same line does not reappear next month. Eligibility sits upstream: a 270/271 check before the first session of each authorization period, including the benefit and plan-level caps; CorePulse, our eligibility and benefit verification engine, runs it as one transaction per member. Read site metrics on contract value, not gross charges: gross collection rate guide.
The clocks the ledger holds everyone to, in hours
Payer clocks from CMS-0057-F [2]; practice clocks from the controls.
Expedited decisionpayer, since Jan 1, 2026
72 h10% of the reauth lead
Standard decisionpayer, 7 calendar days
168 h23%
Session to billed linepractice, 5 business days
120 h17%
Reauthorization packet leadpractice, 30 days before end
720 h100%
0168 h360 h720 h
Payer clocksPractice clocksReauthorization lead
Who owns what
| Cadence | Review | Owner | Output |
|---|---|---|---|
| Daily | Sessions without a billed line; scrubber hard stops; held claims by reason | Billing lead | Same-day fixes, template defects logged |
| Weekly | Authorization utilization by site and BCBA; expiring auths 30 days out; decision timeframes missed | Authorization lead with clinical directors | Reauth packets opened, caseload moves |
| Monthly | Matrix updates; roster revalidation calendar; denial root causes closed; remit variance by payer | RCM director | Control changes, payer escalations in writing |
| Quarterly | Cash per delivered hour by site and payer; payer-mix and contract review; rate-change calendar | CFO and COO | Budget and hiring decisions by payer |
From site-level to centralized, in four overlapping phases
- 0Day 1Inventory starts
- 15Day 15Matrix stood up
- 30Day 30Ledger from live auths
- 45Day 45Hard stops on
- 60Day 60Roster and queue consolidated
- 90Day 90First cash-per-hour report by site
Days 1 to 15
Inventory payers, states, systems and NPIs across sites; stand up the matrix with the 2026 rules above
Days 15 to 40
Build the authorization ledger from live authorizations; load unit conventions per payer
Days 30 to 60
Consolidate the roster and the denial queue; assign root-cause owners; hard-stop modifier and credential rules
Days 60 to 90
Remit reconciliation live; first cash-per-delivered-hour report by site; MCO API readiness questions sent
MatrixLedgerRoster and queueReconciliation
Takeaway
Keep the people where they are if you want to. Move the rules, the ledger and the queue to one place, and the sites will behave like one group.
Six moves before location three
List every payer, state, system and NPI across sitesThe inventory is day one of the rollout.
Name one owner each for matrix, ledger, roster, queue and reconciliationObjects first, org chart second.
Export every active authorization into one sheetUnits authorized, delivered and billed; end dates; the gap is the leakage report.
Run the roster against each state's revalidation calendarGeorgia's July 1, 2026 deadline is the template for what a lapse costs [6].
Send the MCO API readiness questionsThe November issue of The ABA Operator carries the countdown checklist.
Pair this with the rate sideThe 2027 margin playbook covers price, clean units and payer mix; the five objects above are the standing structure of our ABA billing service, run inside the practice management system groups already use, under existing enrollments, so cutover is a date of service rather than a migration.
Frequently asked questions
What is the biggest billing risk when an ABA group adds locations?
Rule drift. Each site develops its own version of the payer rules, unit counting and denial handling, so modifier, credential and authorization defects multiply with every location. A single dated payer matrix, one authorization ledger and one denial queue remove that drift without moving staff.
Do multi-location ABA groups need to centralize billing staff to centralize billing?
No. The model centralizes the objects, meaning the payer matrix, the authorization ledger, the enrollment roster, the denial queue and remit reconciliation. Work can be assigned to people at any site as long as they operate from the shared objects and the root-cause owners are named.
How does CMS-0057-F affect ABA prior authorization in 2027?
From January 1, 2027, Medicare Advantage organizations, Medicaid and CHIP fee-for-service programs, Medicaid and CHIP managed care plans and QHP issuers on the federal exchanges must run a Prior Authorization API that identifies documentation requirements and returns an approval with its end date, a denial with a specific reason, or a request for more information. Decision timeframes of 72 hours expedited and seven calendar days standard generally began January 1, 2026. Drug prior authorizations are excluded.
Which 2026 state rules most often cause ABA denials across sites?
Indiana's credential, group-size and UA modifiers and its telehealth restrictions; North Carolina's RBT or ABAT certification requirement, telehealth removal for 97152 to 97154 and three-month reauthorization above 16 hours a week; Georgia's July 1, 2026 revalidation deadline; and Missouri's one-line-per-code-per-day unit rule. Each should be a scrubber or scheduling control, not a memo.
What single metric best compares ABA locations after a rate cut?
Cash per delivered hour by site, payer and code, read alongside authorization utilization. It separates a site with a weak payer mix from a site that is leaking authorized units or losing delivered units to denials.
- CMS, Interoperability and Prior Authorization Final Rule (CMS-0057-F) overview
- CMS fact sheet, CMS Interoperability and Prior Authorization Final Rule (CMS-0057-F), January 17, 2024
- Indiana IHCP bulletin BT202627, IHCP announces changes to applied behavior analysis (ABA) therapy services (February 26, 2026)
- NC Medicaid bulletin, Updated reminder: requirements for Research-Based Behavioral Health Treatment service delivery (August 31, 2026)
- MO HealthNet hot tip, Important Information for Documenting and Billing for Applied Behavior Analysis Services (September 9, 2026)
- Georgia Department of Community Health, Provider Revalidation Deadline July 1, 2026
- New York State Medicaid Update, August 2026, Volume 42 Number 9: Reimbursement Change for Unlicensed Individuals Providing Applied Behavior Analysis Services
- Washington State Health Care Authority, Apple Health ABA fee schedule effective July 1, 2026
- Point32Health, ABA accreditation requirements and deadlines (September 2026)
- Blue Cross Blue Shield of Michigan, The Record, October 2026: updated ABA utilization management criteria for dates of service on or after January 1, 2027
- Iowa Code 2026, section 514C.22, Biologically based mental illness coverage
- Blue Cross and Blue Shield of Nebraska, Medical Policy Update November 2026, Policy I.178 Autism Spectrum Disorders
Checked October 27, 2026. Confirm against the source; proposed rules are marked proposed.
Running ABA billing across three or more sites?
We map your payers, states and NPIs, stand up the ledger and the queue, and show cash per delivered hour by site within 90 days.