VOB for drug and alcohol treatment centers: verification of benefits done right

In treatment centers, the revenue cycle starts on the admissions phone call. A fast, accurate verification of benefits decides whether admissions can give a family a straight answer, whether the program gets paid for the days it provides, and how much billing has to clean up later. This guide covers what a good VOB includes, where it goes wrong, and how centers staff it. It's part of our behavioral health billing guide.

What to verify, by level of care

For each level of care you offer, confirm and record:

• active coverage, plan type and policy dates;
• in-network and out-of-network benefits (many treatment centers work out of network, so OON benefits matter);
• deductible, coinsurance, copays and out-of-pocket maximum, plus amounts met to date;
• authorization and pre-certification requirements, including who to call and what clinical information is needed;
• day or visit limits and step-down rules;
• whether behavioral health is carved out to a separate administrator with a different phone number, portal and payer ID;
• facility vs professional benefits, and any exclusions (for example, for certain residential settings); and
• the payer representative's name, the call reference number, and date and time.

Levels of care commonly verified: detox (withdrawal management), residential, partial hospitalization (PHP), intensive outpatient (IOP) and outpatient. Ask about each one separately; benefits often differ.

Where VOBs go wrong

• Stopping at "active coverage." The plan may be active but carve behavioral health out, exclude a level of care or require pre-certification.
• Wrong entity. Calling the medical plan when behavioral health is administered elsewhere.
• Undocumented calls. Without a reference number and representative name, there's nothing to point to when the claim is later denied.
• Speed vs accuracy. Admissions wants an answer while the family is on the phone. A VOB checklist by payer keeps speed from turning into guesswork.
• No handoff. The authorization requirements found during the VOB must reach utilization review before the first day, or days go unpaid.

Denials tied to eligibility and coordination of benefits are common across healthcare. In a 2025 vendor survey of billing professionals, coordination of benefits was the most commonly cited denial reason (45% of respondents) (Tebra). See the CO-22 coordination of benefits guide and the CO-197 authorization guide.

After the VOB: authorizations and concurrent review

Higher levels of care usually require pre-certification and concurrent review, meaning periodic clinical updates to keep authorized days. The VOB tells you the rules; utilization review staff then track authorization numbers, approved days and the next review date. Missed reviews mean unpaid days. See our prior authorization guide.

Privacy: 42 CFR Part 2

Records of federally assisted substance use disorder programs are protected by 42 CFR Part 2 in addition to HIPAA. HHS notes that compliance with the 2024 final rule was required by February 16, 2026, and that some Part 2 requirements also apply to recipients of Part 2 records, such as covered entities and business associates (HHS). Anyone doing VOBs, admissions or billing for a Part 2 program needs training on these rules. For legal questions, talk to counsel.

Staffing VOB and admissions support

VOB work is phone- and portal-based, which makes it well suited to dedicated remote staff, including evening and weekend coverage if you schedule it. What to look for:

• experience with behavioral health payers, carve-outs and out-of-network benefits;
• a written VOB checklist by payer and level of care;
• fast, documented turnaround that admissions can rely on;
• a clean handoff to utilization review and billing; and
• training on HIPAA and Part 2, with a BAA in place before any access (HHS).

Choosing a behavioral health billing company or staffing partner

Treatment centers usually choose between a behavioral health billing company that runs billing end to end and dedicated staff who work in the center's own systems. Ask any partner: which levels of care and payers they handle, how fast VOBs come back, how they document calls, how they handle Part 2, and whether they sign a BAA before any access. Compare models in our guide to medical billing outsourcing.

Getting help

Alliance Global Solutions, which operates this site and is currently our only approved vendor, specializes in medical billing, especially drug and alcohol treatment billing, VOBs and RCM. Its staff work as the client's own dedicated employees, whom the client trains as it wishes, while Alliance Global Solutions handles hiring and monitoring. Management and admin are US-based, its staff are in the Philippines, Colombia and other countries, and its clients range from small outpatient centers to large billing companies that handle billing for multiple clients, with teams from 2-3 dedicated staff to 50+. References are available on request. Alliance Global Solutions signs a business associate agreement (BAA) with each client before any of its staff access protected health information. Read its featured vendor profile or its medical billing staffing page. To talk through VOB and admissions coverage, request help; your request may be referred to Alliance Global Solutions. Its call center and customer service staff page covers the phone-based roles that VOB calls rely on.