AnnexMedAnnexMedAnnexMed
Corporate Office
USA
299 S. Main Street
Suite 1300
Salt Lake City, UT 84111
Chennai - Tower I
CeeDeeYes Tyche Towers,
Block-1 3rd Floor, Perungudi Bypass Rd, Perungudi,
Chennai - 600096
Chennai - Tower II
4th Floor, IIFL TOWERS
MGR Main Rd,
Perungudi, Chennai - 600096
Villupuram
No 9, Viswalingam Layout
Villupuram,
Tamil Nadu – 605602

Behavioral Health Billing Services

Optimize Reimbursement Across Every Therapy Session, Program, and Long-Term Care Pathway

End-to-end billing for outpatient therapy, psychiatric services, substance use disorder programs, and intensive outpatient — from insurance verification and prior authorization through session-based CPT coding, documentation validation, and final reimbursement

95%+

Clean Claim Rate

25–35%

Collections

88%+

Authorization

78–85%

Denial Overturn

From first session to final reimbursement: built for behavioral health complexity

Behavioral health billing operates at the intersection of session-based care, documentation-intensive workflows, and high denial rates that few RCM organizations fully understand. Every encounter — whether a 45-minute individual therapy session, a psychiatric evaluation with medication management, a group therapy program, or a telehealth visit — carries distinct CPT coding rules, time-based documentation requirements, and payer-specific authorization standards that must align precisely to avoid denial. The add-on psychotherapy code structure alone, where therapists must correctly pair 90833, 90836, or 90838 with an E&M service to capture the full value of a combined psychiatric visit, introduces a level of complexity that generic billing teams routinely mismanage — resulting in systematic under-billing, authorization-related denials, and cash flow disruptions that directly impact a practice’s ability to deliver consistent patient care.
AnnexMed delivers specialized revenue cycle management for behavioral health providers including psychiatrists, psychologists, licensed therapists, counselors, social workers, substance use disorder programs, and community mental health centers. Our certified coders and billing specialists understand the complete behavioral health billing spectrum — from individual psychotherapy and psychiatric diagnostic evaluations through medication management, crisis intervention, group therapy, and intensive outpatient programs. We manage prior authorization for ongoing therapy services, validate session duration documentation, ensure compliance with mental health parity requirements, and enforce correct ICD-10 specificity for every behavioral health diagnosis — so every session your clinicians deliver translates into accurate, timely reimbursement.
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Why behavioral health billing demands specialist expertise?

Behavioral health reimbursement is session-based, documentation-driven, and denial-prone — presenting unique billing complexity that standard RCM workflows cannot absorb. High denial rates, long A/R cycles, and complex authorization requirements combine to make this one of the highest-risk specialties for revenue leakage.

Session Duration Requirements

Time-based CPT codes with specific minute thresholds — 90832 for 16–37 min, 90834 for 38–52 min, 90837 for 53+ min — that must be documented precisely in progress notes for compliant, defensible billing.

Add-On Code Complexity

Correctly billing psychotherapy add-on codes (90833, 90836, 90838) alongside E&M or medication management services in the same encounter — the most pervasive and costly billing error in behavioral health.

Credentialing Challenges

Complex provider enrollment across all license types — LCSW, LPC, LMFT, LPC, PhD, PsyD, MD, DO — with varying scope-of-practice restrictions and payer-specific requirements for each credential type.

Authorization Management

Frequent pre-authorization and concurrent review requirements, session limits, and medical necessity justification that must be managed proactively to prevent mid-treatment authorization denials.

Telehealth Billing Nuances

Correct place of service codes (02 for telehealth facility, 10 for patient's home), GT and 95 modifier requirements, and compliance with evolving state parity laws and payer-specific virtual care policies

Payer-Specific Policies

Dramatically different coverage rules between commercial payers, Medicaid, Medicare, and managed behavioral health organizations — each with distinct authorization thresholds, session limits, and billing formats.

Documentation Standards

Extensive clinical note requirements supporting medical necessity, session duration, therapeutic intent, and progress toward treatment goals — each element critical to surviving payer audits.

Mental Health Parity Compliance

Federal and state parity laws requiring behavioral health benefits to match medical/surgical benefits — creating complex audit and appeals opportunities when payers impose discriminatory limitations.

Core RCM services

The following nine core services are included as part of AnnexMed’s standard RCM offering for every behavioral health practice. These services form the foundation of a high-performing therapy revenue cycle and are customized to your payer mix, session volume, and billing structure.

Eligibility & Benefits Verification

We confirm patient insurance coverage, behavioral health benefits (often separately carved out from medical), deductibles, co-pays, and in/out-of-network status before every session — with payer-specific mental health benefit checks.

Prior Authorization Management

Our team handles the full prior auth lifecycle for therapy and psychiatric services — initial submission, concurrent review, follow-up, and appeals — ensuring services are pre-approved and reducing authorization-related denials.

Claims Submission & Tracking

We submit clean claims electronically to all payers and monitor each claim through its full lifecycle — catching session documentation gaps, coding errors, and modifier issues before they result in denials.

Denial Management & Appeals

Every denied behavioral health claim is reviewed, root-cause analyzed, and appealed with supporting clinical documentation, medical necessity evidence, and payer-specific appeal strategies to maximize recovery.

Accounts Receivable Follow-up

Our AR specialists proactively follow up on outstanding balances with payers, with dedicated focus on authorization-related denials and long-cycle therapy services that extend your A/R aging beyond benchmark.

Patient Statements & Collections

We manage the complete patient billing experience — from clear statements to respectful collection follow-ups — improving collections on deductibles and co-pays while preserving the therapeutic relationship.

Payment Posting & Reconciliation

All insurance and patient payments are posted accurately and reconciled daily against expected reimbursements — with contract rate verification to identify and flag short-paid behavioral health claims.

Provider Credentialing

We manage provider enrollment and credentialing for all license types — MD, DO, PhD, PsyD, LCSW, LPC, LMFT — across commercial, Medicare, Medicaid, and managed behavioral health organizations.

Reporting & Analytics Dashboard

You receive real-time RCM performance dashboards covering collections, denial rates by service type, A/R aging, authorization approval rates, and payer-specific behavioral health trends through ImpactBI.AI.

Specialty-specific RCM services

Each service below addresses a distinct behavioral health billing workflow — from session-based CPT validation and add-on code management to authorization lifecycle management and Medicaid MCO compliance.

Psychotherapy CPT Billing
(90832–90838)

Behavioral health psychotherapy billing requires precise time-based coding — 90832 for 16–37 minutes, 90834 for 38–52 minutes, and 90837 for 53+ minutes — and accurate add-on code usage when therapy is combined with E&M or medication management. We ensure your therapists’ documented session durations are translated into the correct CPT codes on every visit, capturing the full reimbursable value of your clinical time without under-coding or compliance risk.

Psychiatric Evaluation & Diagnostic
Coding (90791, 90792)

Initial psychiatric evaluations must be billed with 90791 (without medical services) or 90792 (with medical services by a prescribing clinician) — a distinction that significantly affects reimbursement rates and is frequently miscoded. Our billing specialists ensure the correct evaluation code is applied based on provider type, credentials, and service content, preventing systematic under-coding of your psychiatric intake encounters.

Substance Use Disorder Billing

SUD billing involves complex coding across individual therapy, group therapy, medication-assisted treatment (MAT), and crisis services — each with distinct CPT codes, HCPCS codes (H0005, H2019), and documentation requirements. We navigate the full SUD billing landscape including ASAM levels of care documentation, Medicaid behavioral health carve-outs, and multi-payer authorization requirements to ensure your addiction treatment services are fully and accurately reimbursed.

Telehealth Mental Health Billing

Telehealth behavioral health billing requires correct place of service codes (02 for telehealth facility, 10 for patient’s home), GT or 95 modifier application, and compliance with evolving state parity laws and payer telehealth policies that change frequently. We keep current with all telehealth billing requirements and ensure your virtual mental health sessions — whether audio-only or video — are coded and billed for maximum reimbursement across all payers.

Crisis Intervention Billing (90839, 90840)

Crisis psychotherapy codes 90839 (first 60 minutes) and 90840 (each additional 30 minutes) are high-value services frequently under-billed due to documentation challenges in urgent situations. We work with your clinical team to capture the documentation needed to support crisis billing — time of service, clinical justification, and nature of the crisis — recovering the full reimbursable value of these intensive interventions that most billing teams miss.

Group Therapy Billing (90853, H0005)

Group psychotherapy billing requires specific documentation of group size, session duration, therapist credentials, and the distinct therapeutic purpose of the group versus a psychoeducation or support session. We ensure your group therapy services — including both CPT 90853 and Medicaid HCPCS H0005 codes — are billed with correct documentation supporting medical necessity and meeting each payer’s behavioral health billing requirements.

Medication Management & Add-On Psychotherapy Billing

When a prescribing psychiatrist provides both medication management (E&M visit) and psychotherapy in the same encounter, the correct approach is to bill the E&M code with add-on psychotherapy codes (90833, 90836, or 90838) — a combination frequently miscoded or under-billed by non-specialized teams. Our behavioral health billing specialists ensure every combined psychiatric visit captures the full E&M plus add-on psychotherapy code combination with correct time documentation.

Medicaid Behavioral Health & MCO Billing

Medicaid behavioral health billing is complicated by managed care organization (MCO) carve-outs, state-specific rate structures, and prior authorization requirements that vary by plan and service type. We manage your Medicaid behavioral health billing across all MCO contracts — handling payer-specific claim formats, authorization thresholds, and timely filing requirements to ensure compliant submission and maximum reimbursement from your Medicaid payer mix.

ICD-10 Diagnosis Coding
(F32.x, F41.x, F10.x–F19.x Series)

Behavioral health ICD-10 coding requires precise specificity for depressive disorders (F32.x, F33.x), anxiety disorders (F41.x), substance use disorders (F10–F19), PTSD (F43.10), and adjustment disorders (F43.2x) at the appropriate severity level to support medical necessity and payer authorization decisions. Our certified coders ensure your behavioral health diagnoses are coded to the highest level of specificity — directly supporting prior authorization approvals and maximum reimbursement rates.

Behavioral health-specific RCM modules

AnnexMed’s proprietary ImpactRCM.AI and ImpactBI.AI platforms power these purpose-built modules — each addressing a distinct behavioral health billing failure point that generic RCM systems cannot detect or resolve.

Session-Based CPT Validation Engine

Automated CPT code validation against documented session duration, provider credential type, and service content — catching time-based coding errors and add-on code mismatches before claim submission.

Authorization Lifecycle Management

Real-time tracking of behavioral health authorization status by provider, payer, CPT code, and session count — with automated alerts for session limit thresholds, concurrent review deadlines, and reauthorization windows.

Documentation Compliance Monitor

Clinical note sufficiency validation against payer-specific documentation requirements — flagging incomplete session notes, missing time entries, and medical necessity gaps before claims are submitted.

Behavioral Health Denial Intelligence

Denial pattern analysis by service type, payer, CPT code, and denial reason — with automated appeal generation and audit-ready documentation for all behavioral health claim appeals.

Telehealth Billing Compliance Module

Automated place of service code assignment and modifier validation for virtual behavioral health services — with real-time payer policy updates for GT and 95 modifier requirements across all commercial and government payers.

Program Billing Engine (IOP/PHP)

Intensive outpatient and partial hospitalization program billing management — including APC code assignment, daily attendance documentation, multi-discipline service bundling, and Medicaid HCPCS coding compliance.

Behavioral health billing quick reference

Key CPT codes, service descriptions, and critical billing considerations for individual therapy, psychiatric services, substance use disorder programs, and crisis intervention.
CPT Code / Range
Service Description
Key Billing Considerations
90791–90792

Psychiatric Diagnostic Evaluation

90791 = without medical services (non-prescribing clinician); 90792 = with medical services (prescribing MD/DO); distinction affects reimbursement rate and is frequently miscoded

90832 / 90834 / 90837

Individual Psychotherapy (time-based)

90832 = 16–37 min; 90834 = 38–52 min; 90837 = 53+ min; session start/end time and total duration must be in the clinical note to support code selection

90833 / 90836 / 90838

Add-On Psychotherapy (E&M + therapy)

Billed in addition to E&M code when therapy is provided by same prescriber; 90833 with 90833 primary E&M; must meet time threshold for add-on; frequently under-billed

90839 / 90840

Crisis Psychotherapy

90839 = first 30–74 min; 90840 = each additional 30 min; requires documentation of crisis nature, clinical response, and time; high-value service often missed due to documentation burden in urgent situations

90853

Group Psychotherapy

Group size, session duration, therapist credentials, and distinct therapeutic purpose must be documented; distinct from psychoeducation groups which are not separately billable

99213–99215 + 90833

E&M with Add-On Psychotherapy

Medication management visit with psychotherapy; E&M code reflects complexity of medical decision-making; add-on 90833 for 16+ minutes of therapy; most commonly under-billed combined psychiatric encounter

H0005

Alcohol / Drug Services — Group

Medicaid HCPCS code for group substance use disorder counseling; state-specific documentation and authorization requirements; often requires separate prior auth from individual therapy services

F32.x / F33.x

Major Depressive Disorder

Code to highest specificity: mild (F32.0), moderate (F32.1), severe without psychotic features (F32.2), with psychotic features (F32.3); specificity directly supports medical necessity and authorization

F41.x

Anxiety Disorders

F41.0 = panic disorder; F41.1 = generalized anxiety; F41.9 = anxiety unspecified; use highest specificity supported by clinical documentation; F41.9 may trigger medical necessity review

F10.x–F19.x

Substance Use Disorders

Code by substance type and severity (mild = .10, moderate = .20, severe = .20 with additional specifiers); combination codes for SUD with comorbid conditions; ASAM level documentation recommended

Expected outcomes for behavioral health providers

25–35%

Increase in Collections

95%+

Clean Claim Rate

30–40%

Reduction in A/R Days

78–85%

Denial Overturn Rate

88%+

Authorization Approval Rate

100%

Billing Overhead Eliminated

Why AnnexMed for behavioral health billing?

Behavioral Health Specialty Expertise

We specialize in behavioral health billing — not as a subspecialty alongside dozens of others, but as a dedicated practice with certified coders trained exclusively in the CPT, modifier, and documentation requirements of therapy, psychiatric, SUD, and crisis services.

Session-Based Authorization Management System

Our proprietary platform tracks session limits, manages concurrent review requirements, monitors reauthorization windows, and ensures timely submission of clinical documentation — addressing the most pervasive driver of behavioral health revenue disruption.

Proven Revenue Results

We consistently achieve 95%+ clean claim rates and increase behavioral health practice revenue by an average of 25–35% through precise session coding, add-on code capture, documentation validation, and aggressive denial management.

Multi-Credential Provider Credentialing

Our team expertly manages credentialing for all license types — psychiatrists, psychologists, LCSWs, LPCs, LMFTs, LMHCs — across commercial insurers, Medicare, Medicaid, and managed behavioral health organizations.

Transparent Communication & Reporting

Dedicated account managers provide regular updates, detailed real-time reporting, and responsive support — with full understanding of the sensitive operational environment that behavioral health practices navigate.

Scalable to Your Practice Model

Whether you are a solo therapist, group practice, intensive outpatient program, partial hospitalization program, or community mental health center, we customize our services to your patient volume, payer mix, and billing complexity.

Compliance-First Operations

We maintain strict HIPAA compliance with additional sensitivity to mental health privacy requirements, stay current on federal and state parity laws, enforce ICD-10 diagnostic specificity standards, and undergo regular security audits — SOC 2 Type II certified.

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Schedule your free behavioral health billing assessment

Identify revenue leakage across your therapy sessions and psychiatric services, and get a customized improvement plan from AnnexMed’s behavioral health RCM specialists.
Schedule your behavioral health RCM assessment

Frequently Asked Questions

How long does implementation take?
Most behavioral health practices are fully operational within 2-3 weeks. We handle credentialing verification, system integration, authorization tracking setup, and historical data transfer with minimal disruption.
What if we use SimplePractice, TherapyNotes, or another behavioral health EHR?
We integrate with all major behavioral health practice management and EHR platforms. Our team has extensive experience with SimplePractice, TherapyNotes, TheraNest, Valant, and others.
Do you handle authorization requests and ongoing reviews?
Yes, authorization management is one of our core services. We submit initial authorization requests, track session utilization, manage concurrent reviews, and submit reauthorization requests with clinical documentation.
How do you stay current with constantly changing telehealth policies?
Our team monitors federal and state telehealth regulations, tracks payer-specific policy updates, participates in behavioral health billing webinars, and maintains relationships with major payers and managed behavioral health organizations.
What's your success rate on denied behavioral health claims?
We maintain an 78-85% overturn rate on appealed behavioral health claims through proper documentation review, clinical note enhancement guidance, and payer-specific appeal strategies.
Can you take over our existing accounts receivable?
Absolutely. We'll conduct an A/R audit, identify collectible claims, develop a recovery strategy, and work outstanding balances while starting fresh with new sessions.
Do you credential all types of behavioral health providers?
Yes, we handle credentialing for psychiatrists, psychologists, LCSWs, LPCs, LMFTs, LMHCs, and other licensed mental health professionals with commercial insurers, Medicare, Medicaid, and managed behavioral health organizations.
How do we access our financial reports?
You'll have 24/7 access to our secure HIPAA-compliant portal with real-time dashboards showing claims status, payments, denials, authorization tracking, A/R aging, and detailed financial analytics.
What if a payer requires specific documentation for sessions or authorizations?
We provide documentation templates, progress note requirements, and work with your clinical team to ensure all payer-specific requirements are met while maintaining appropriate clinical documentation.
Do you handle both telehealth and in-person billing?
Yes, we expertly manage billing for both service delivery modalities, applying correct place of service codes, modifiers, and ensuring compliance with rapidly evolving telehealth regulations.

Case Studies

See the impact we deliver

Discover how AnnexMed reduces denials, accelerates reimbursements, and strengthens financial performance. Backed by measurable outcomes and proven RCM expertise, we deliver operational excellence, revenue stability, and sustainable growth you can trust.

Client Voices

See how our clients succeed

Hear from organizations that trust AnnexMed to reduce denials, accelerate reimbursements, and strengthen cash flow. Our expert support delivers measurable performance gains, operational efficiency, financial stability, and scalable growth.
Our therapy practice was losing significant revenue on add-on code billing because our previous vendor didn't understand the E&M plus psychotherapy combination. AnnexMed corrected our coding workflows and increased collections by 28% within 90 days.
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Dr. Sarah Whitmore

Group Therapy Practice — CA
Authorization denials were our biggest operational problem — we had therapy sessions getting denied mid-treatment because concurrent reviews were missed. AnnexMed's authorization team eliminated that entirely. Our approval rate is above 90% and our A/R dropped by 35%.
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Marcus Ellenberg

Community Mental Health Center — TX
Our telehealth billing was creating constant payer confusion around modifiers and place of service codes. AnnexMed's behavioral health team knew exactly what each payer required and our clean claim rate went from under 80% to above 95% within two billing cycles.
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Priya Nambiar

Outpatient Psychiatric Services

Proven RCM expertise. Delivered at scale.

For over 20 years, AnnexMed has delivered RCM solutions nationwide, combining expert billing, coding, and AR support to drive measurable results and growth.

  • 20+ years of proven healthcare RCM experience
  • 1,500+ professionals supporting billing, coding & AR
  • 500+ certified coders across multiple specialties
  • 99%+ compliance with HIPAA and security standards
  • All 50 states served with consistent, scalable operations
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