Bookkeeper for Invoicing

Job Description Job Description About Us M&D Capital is a leading third-party Medical Billing and Revenue Cycle Management company serving clients across the United States. We operate offices across multiple states, along with a growing international team. We specialize in out-of-network surgical claims, and partner directly with our clients to ensure the maximum reimbursement for their services. We are currently seeking a Chief Data Officer to join our rapidly growing team. This is a full-time, in person position located in Queens, New York. Position Summary We are seeking a detail-oriented and customer-focused Invoicing & Client Success Specialist to support our Revenue Cycle Management (RCM) invoicing operations. This role combines invoicing, account reconciliation, customer communication, and post-onboarding client support. Clients are onboarded several months before invoicing begins, so this role is responsible for proactively contacting customers, helping them understand invoices, resolving billing questions, revising invoices when necessary, and maintaining strong customer relationships throughout the billing lifecycle. The ideal candidate has experience with basic bookkeeping, Excel and customer service. Key Responsibilities Proactively contact customers after onboarding and during invoicing periods Explain invoices, billing details, fees, and service charges to customers Resolve invoice discrepancies and customer billing concerns Coordinate with onboarding, operations, and internal billing teams Maintain accurate records of customer communications and account updates Follow up on outstanding invoices and account issues Support process improvements within invoicing and customer communication workflows Generate, review, revise, and send customer invoices Reconcile invoices, payments, credits, and account balances Use QuickBooks Online (QBO) to manage invoicing and customer accounts Utilize Excel for invoice tracking, reporting, reconciliations, and analysis Qualifications Customer service or client-facing experience Excellent verbal and written communication skills Detail-oriented and highly organized Comfortable communicating with customers by phone and email Able to explain billing clearly and professionally Proactive and solution-oriented Strong follow-through and accountability Works well independently and collaboratively Strong Excel skills required Ability to manage multiple accounts and follow-ups simultaneously Ideal Candidate Experience in healthcare billing or Revenue Cycle Management (RCM) preferred Experience with invoicing, reconciliation, and accounts receivable Experience with QuickBooks Online (QBO) Hours: Monday-Friday 9 AM to 5 PM EST Pay Range $50,000—$70,000 USD Benefits M&D Capital offers our employees a comprehensive benefits package, including health, dental, vision, employee assistance plan, paid family leave, short-term disability and life insurance. We also provide a 401(k) plan with employer match, flexible spending accounts, employee discount program and an employee referral program.