Ambulance Billing Clerk (Air/Ground)

St. Luke’s University Health Network; Allentown (Lehigh County); On-site; USD 42,000 - 54,000; Full time

Job summary

St. Luke's University Health Network in Allentown, PA is seeking an Ambulance Billing Clerk to manage the SLETS revenue cycle, submit ambulance billing claims, and follow up on denials and unpaid accounts.

You will interact with patients and internal/external customers, ensuring accurate claims processing in accordance with CMS and network policies. The role requires strong office skills, prior ambulance billing experience, and attention to detail.

Qualifications

• High School diploma or equivalent required; CAC preferred after 180 days.
• Associates degree in business or medical billing preferred.
• Previous experience in health care/ambulance billing and general office skills.

Responsibilities

• Responsible for entirety of the SLETS Revenue cycle including submission of ambulance billing claims, follow‑up on claim denials, posting payments to customer accounts, applying contractual discounts and write‑offs.
• Monitor unpaid accounts and take appropriate action (e.g. rebill, submit to guarantor, phone calls).
• Regular review of past‑due accounts for collections submission.
• Review billing claim overpayments and process refunds.
• Handle insurance payment negotiations based on SLETS policy criteria.
• Responsible for updating patient information to staff and computer systems as needed.

Skills

Typing

Filing

Bookkeeping

Data entry

Customer service

Education

High School diploma or equivalent

NAAC Certified Ambulance Coder (CAC) Preferred

Associates degree in business or medical billing

Tools

Office software (MS Office)

Job description

St. Luke's is proud of the skills, experience and compassion of its employees. The employees of St. Luke's are our most valuable asset! Individually and together, our employees are dedicated to satisfying the mission of our organization which is an unwavering commitment to excellence as we care for the sick and injured; educate physicians, nurses and other health care providers; and improve access to care in the communities we serve, regardless of a patient's ability to pay for health care.

The St. Luke's Emergency Transport Services (SLETS) Ambulance Billing Clerk is responsible for completion of the revenue cycle of the SLETS Organization. The Ambulance Billing Clerk is responsible for accurate and timely preparation of accounts for submission to third‑party carriers, intermediaries, and guarantors in accordance with SLETS, SLUHN, and CMS policy and Billing regulations. The Ambulance Billing Clerk is responsible for the maintenance of accounts through monitoring of aging reports and follow up of denials and unpaid accounts including the movement to collections. The Ambulance Billing Clerk interacts with patients, internal and external customers via telecommunications devices, and written correspondence and is the representative of SLETS and SLUHN.

Job Duties and Responsibilities

• Responsible for entirety of the SLETS Revenue cycle including submission of ambulance billing claims, follow‑up on claim denials, posting payments to customer accounts, applying contractual discounts and write‑off’s.
• Monitor unpaid accounts and takes appropriate action (i.e. rebill, submit to the guarantor, phone calls, etc).
• Regular review of past‑due accounts for collections submission.
• Review billing claim overpayments and process refunds.
• Handle insurance payment negotiations based on SLETS policy criteria.
• Responsible for the communication and/or updating of correct patient information to appropriate staff(s), department(s), and computer system(s).
• Responsible for accurate accounting of all claims and/or bills.
• Resolves or assists complaints, misunderstandings, and inquiries related to billing.
• Ongoing application of all billing requirements and/or regulations.
• Coordination of SLETS annual Subscription Program.
• Demonstrates responsibilities in meeting organisational and personal standards.
• Coordinates incoming, outgoing and internal communications.
• Demonstrates ability to use various types of computer software programs.
• Responsible for own professional and personal growth through participation in continuing education programs.
• Records appropriate statistics and generates reports as required.
• Performs other clerical duties as needed.
• Coordinates with Quality Improvement Team and Educational and Development Teams to identify documentation trends and relay best practices.
• Works directly with SLETS Management Team to identify charting discrepancies and PCR compliance outliers.
• Reviews flight records, patient care reports, dispatch records, and transport documentation to ensure billing readiness and compliance.
• Prepares and submits air ambulance claims to third‑party carriers, intermediaries, and guarantors within established departmental timelines.
• Applies appropriate air ambulance billing codes, modifiers, origin and destination codes, and charges according to payer guidelines.
• Other related duties as assigned.

Physical and Sensory Requirements

• Sitting 8 hours per day; 3 hours at a time.
• Stand up to 1 hour per day; 30 minutes at a time.
• Walk up to 2 hours per day; 20 minutes at a time.
• Continuously fingering and handling for data entry, typing, etc. and occasional twisting and turning.
• Occasionally lift up to 20 lbs. Occasionally carry up to 15 lbs.
• Frequently stoops, bends, or reaches above shoulder level to retrieve files.
• Must be able to perceive attributes of an object through touch.
• Must be able to hear as it relates to normal conversation.
• Must be able to see as it relates to general, near, far, color, peripheral vision and vision monotony.

Education

High School diploma or equivalent required. NAAC Certified Ambulance Coder (CAC) Preferred (required after 180 days of employment). Associates degree in business or medical billing related field preferred by not required.

Training and Experience

Experience in computer operations. Previous experience in health care/ambulance billing. Office skills including typing, filing, bookkeeping. Excellent organizational skills; pleasant telephone manner. Ability to perform job with a minimum of direct supervision.

St. Luke's University Health Network is an Equal Opportunity Employer.

About St. Luke's University Health Network

Founded in 1872, St. Luke’s University Health Network (SLUHN) is a fully integrated, regional, non‑profit network of more than 23,000 employees providing services at 16 campuses and 350+ outpatient sites. With annual net revenue in excess of 4 billion, the Network’s service area includes 11 counties in two states: Lehigh, Northampton, Berks, Bucks, Carbon, Montgomery, Monroe, Schuylkill and Luzerne counties in Pennsylvania and Warren and Hunterdon counties in New Jersey. St. Luke’s hospitals operate the largest network of trauma centers in Pennsylvania, with the Bethlehem Campus being home to St. Luke’s Children’s Hospital. SLUHN is the only Lehigh Valley‑based health care system to earn Medicare’s five‑star ratings (the highest) for quality, efficiency and patient satisfaction. It is both a Leapfrog Group and Healthgrades Top Hospital and a Newsweek World’s Best Hospital. The Network’s flagship University Hospital has earned the 100 Top Major Teaching Hospital designation from Premier 13 times total and eleven years in a row, including in 2023 when it was identified as the #4 teaching hospital in the country. In 2021, St. Luke’s was identified as one of the 15 Top Health Systems nationally. St. Luke’s is the only health care institution in the Lehigh Valley to be named a Top Workplace regionally repeating the exclusive honor for the third year in a row. Also, for the third straight year, St. Luke’s has been a Top Workplace in the Philadelphia Region by the Philadelphia Inquirer, ranking 9th in the large employer category for 2025 and the only health care system in PA to receive this award. In 2025, St. Luke’s was recognized as a national Top Workplace in the United States by USA Today, three years in a row, including the 3rd best health care system in the nation in 2023 and 2024. Lastly, in 2025, St. Luke’s was named a Top Workplace in New Jersey for the third year in a row.