Medical Billing Specialist

Marathon Health

8d • $21 - $28

About The Position

The medical biller is experienced, proactive and a valued member of our Revenue Cycle team. This individual is proficient with Athena EMR, exhibits excellent analytical capabilities, and must be adept at identifying billing challenges while proposing effective resolutions. This position plays a vital role in supporting the accurate and prompt submission of claims, posting of remittances, and resolution of billing discrepancies.

Requirements

• High school diploma and a minimum of 2 years medical billing experience in a healthcare setting or equivalent combination of education and experience.
• Proficiency with Athena EMR and knowledge of CPT and ICD-10 coding.

Nice To Haves

• Strong analytical and problem-solving skills with a proactive mindset.
• Excellent communication and organizational skills.
• Knowledge of medical terminology and insurance guidelines.
• Knowledge of Athena reporting.
• A strong knowledge of Athena global rules.
• Experience in fast-growing healthcare settings.
• Skilled at updating Athena tables (payer enrollment, credentialing, fee schedules).
• Proficient in medical billing across multiple service types (primary care, behavioral health, physical therapy).
• Advanced user of Excel pivot tables.
• Ability to train clinical providers on RCM best practices.
• Billing experience for onsite health centers.
• Expertise with payer portals (Availity, Navinet).
• Experience managing Athena unpostable.

Responsibilities

• Review and submit medical claims to insurance companies via Athena EMR in worklists.
• Monitor claim status and follow up on problematic claims.
• Identify billing errors, trends, and root causes; propose corrective actions to improve processes.
• Communicate with patients, providers, and insurance companies to resolve billing inquiries.
• Maintain compliance with all federal, state, and payer-specific regulations.
• Collaborate with internal teams to optimize revenue cycle workflows and reduce claim rejections and hold times.
• Generate and analyze billing reports to track claim processing and identify opportunities for improvement.
• Resolve unpostables in Athena and other correspondences.

Benefits

• Comprehensive Health & Wellness Benefits: Choice of 2 medical plans, 2 dental plans, and vision coverage, unlimited free mental health benefits and EAP resources, Rewards for challenges and healthy lifestyle activities
• Family Friendly & Reproductive Health Benefits: Family-building and hormonal health benefits and paid parental leave
• Time-Based Benefits: Generous PTO or FTO, Paid Holidays + A Day for What Matters
• Financial Support: Company paid Basic Life and Disability insurance, Supplemental Life, Spending Accounts, 401(k) with employer match and graded vesting
• Continuing Medical Education (CME) for maintaining and strengthening the knowledge, skills, and expertise of our health center teammates, as applicable

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED