Shamsun Nahar

Detail-oriented Medical Billing Specialist with over 10 years of experience in end-to-end revenue cycle management for U.S. healthcare providers, including extensive remote billing operations. Skilled in claims submission, ICD-10/CPT coding review, denial management, insurance verification, and payment posting. Proven track record of improving clean-claim rates, reducing days in A/R, and maintaining HIPAA-compliant billing workflows in fully remote settings.

Senior Revenue Cycle Specialist (Remote) - MRG Billing - Remote

(2024-03 - 2026-06)

• Managed full-cycle medical billing for multi-specialty practices (internal medicine, orthopedics, behavioral health) using AdvancedMD and athenahealth EHR/PM systems
• Analyzed claim denial trends and led corrective action plans that improved first-pass claim acceptance rates
• Reviewed ICD-10, CPT, and HCPCS coding for accuracy prior to claim submission
• Fielded inbound and outbound patient calls to explain balances, resolve billing questions, and set up payment plans
• Trained and mentored junior billing staff on payer requirements, HIPAA compliance, and remote workflow tools

Medical Billing Specialist (Remote) - CareCloud - Remote

(2019-05 - 2023-12)

• Processed and submitted electronic and paper claims (CMS-1500, UB-04) for family practice, cardiology, and physical therapy specialties using CareCloud and Kareo billing platforms
• Investigated and appealed denied and underpaid claims, recovering outstanding reimbursement
• Verified patient insurance eligibility and benefits prior to service and billing
• Handled inbound patient billing inquiries and made outbound collection calls to resolve outstanding balances
• Posted payments and adjustments from EOBs/ERAs and monitored A/R aging reports to prioritize collections

Medical Billing Clerk - PRG

(2013-01 - 2016-04)

• Submitted insurance claims for general and family practice providers using NextGen and eClinicalWorks systems
• Applied basic ICD-9/ICD-10 and CPT coding standards under supervision to support accurate claims
• Answered inbound patient calls regarding billing questions and account balances
• Assisted with follow-up on unpaid and denied claims with insurance carriers

Bachelor of Science - Computer Science - Lahore College for Women University (LCWU) (2014)