Patient Account Specialist Senior-Onsite

Location: Lake Charles, LA (Onsite)
Schedule: Monday – Friday
Duration: 3-Month Contract (Potential Extension)
Company: Sigma Inc. (Supporting CHRISTUS Health)

Sigma Inc. is seeking an experienced Patient Account Specialist Senior with a strong background in physician billing and revenue cycle management. This role is responsible for accurate billing, accounts receivable (A/R) follow-up, denial resolution, and reimbursement processes to ensure timely claim payments.

If you have deep expertise in CPT, HCPCS, ICD coding, and payer guidelines, this is a great opportunity to join a high-performing healthcare team.

• Perform physician billing, including claim submission and payment posting
• Handle A/R follow-up, denial management, and appeals processing
• Resolve payer rejections and credit balances/refunds
• Ensure compliance with HIPAA regulations and PHI confidentiality
• Communicate effectively with insurance carriers, patients, and internal teams
• Document all activities in the practice management system
• Analyze billing trends and identify opportunities for revenue cycle improvement
• Provide patient education regarding insurance coverage and billing questions

• High School Diploma or equivalent (college coursework preferred)
• Minimum 3+ years of physician billing experience
• Strong knowledge of:
  • CPT, HCPCS, ICD-9 / ICD-10 coding
  • Medical terminology
  • Government & commercial payer guidelines
• Experience with:
  • A/R follow-up and denial resolution
  • Claims submission and reimbursement processes
  • Revenue cycle workflows (end-to-end)
• Proficiency in 10-key, computer systems, and billing software
• Excellent communication and customer service skills
• Strong attention to detail and ability to work independently and in a team environment

• Experience in multi-specialty physician practices
• Familiarity with systems like Epic, Cerner, Meditech, or similar EMR platforms
• Proven ability to handle high-volume billing environments

• Competitive contract opportunity with potential extension
• Work with a respected healthcare organization
• Gain experience in a fast-paced revenue cycle environment
• Opportunity to enhance your expertise in medical billing and coding