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TYPE OF WORK
Full Time
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SALARY
850
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HOURS PER WEEK
40
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DATE UPDATED
Aug 21, 2026
Full-Time Medical Billing Specialist – U.S. Commercial Insurance
Employment Type: Full-Time
Work Schedule: Must be available to work during U.S. business hours
Location: Remote
Industry: Behavioral Health and Substance Use Disorder Treatment
We are seeking an experienced Medical Billing Specialist with a strong background working directly with major U.S. commercial insurance companies. This is a full-time position for a knowledgeable, dependable professional who can manage claims from initial submission through final payment.
Applicants must have proven experience billing commercial insurance plans, including:
Blue Cross Blue Shield and BlueCard
Anthem
Cigna
Aetna
UnitedHealthcare and UMR
Other major U.S. commercial insurance carriers
Responsibilities
The Medical Billing Specialist will be responsible for verifying insurance benefits and eligibility, reviewing authorizations, submitting clean claims, correcting rejected claims, following up on unpaid or underpaid claims, and resolving billing discrepancies.
Additional responsibilities include:
Submit electronic and paper claims accurately and on time
Review clearinghouse rejections and correct claim errors
Follow up with insurance companies regarding unpaid, denied, or delayed claims
Review EOBs and ERAs for payment accuracy
Post insurance payments, adjustments, denials, and patient responsibility
Prepare and submit corrected claims, reconsiderations, and appeals
Identify underpayments and pursue additional reimbursement
Track claims through final resolution
Review authorization dates, approved units, levels of care, and billing codes
Work with utilization review, admissions, clinical, and administrative teams
Maintain detailed notes regarding all insurance calls and claim activity
Prepare aging reports, denial reports, and accounts-receivable updates
Help reduce outstanding accounts receivable and improve collections
Protect patient information and follow HIPAA requirements
Required Qualifications
Applicants must have at least two years of hands-on medical billing and collections experience involving U.S. commercial insurance companies.
The ideal candidate will have:
Strong experience with BCBS, Anthem, Cigna, Aetna, UHC, and UMR
Experience reviewing claims, EOBs, ERAs, denials, and payment discrepancies
Knowledge of CPT, HCPCS, ICD-10, modifiers, authorization requirements, and medical-necessity denials
Experience working with clearinghouses and insurance payer portals
Strong denial-management and insurance follow-up skills
Experience preparing corrected claims, reconsiderations, and formal appeals
Excellent written and verbal English communication skills
Strong attention to detail and documentation
Reliable internet access and a professional remote work environment
Availability to work consistently during U.S. business hours
Experience billing for behavioral health, mental health, substance use disorder treatment, detoxification, residential treatment, PHP, IOP, or outpatient services is strongly preferred.
Important Application Requirement
This is not an entry-level position. Only applicants with direct U.S. commercial insurance billing experience should apply.
Applicants whose experience is limited to data entry, patient billing, Medicaid billing, Medicare billing, or non-U.S. insurance systems will not be considered unless they also have substantial commercial insurance billing experience.
