OB/GYN Medical Billing Services in Illinois
AMS Solutions provides specialized ob/gyn medical billing for practices across Illinois. From Chicago to Aurora and the rest of the state, our AAPC-certified billers handle the OB/GYN code set including 59400-59622 (maternity global), 76801-76817 (OB ultrasounds), 57452-58999 (GYN procedures), 99205-99215 (well-woman) and the prior authorization for non-emergent C-sections (some payers), advanced ultrasound (3D/4D), and most gynecologic surgeries that Illinois practices need to navigate.
Illinois-specific payer landscape
We work with Illinois Medicaid (HealthChoice Illinois MCOs: Aetna Better Health, Blue Cross Community, CountyCare, Meridian, Molina, YouthCare), plus all major commercial plans: Blue Cross Blue Shield of Illinois, UnitedHealthcare, Aetna, Cigna, Humana, Health Alliance. Illinois operates under National Government Services (NGS) as the Medicare Administrative Contractor. Illinois falls under NGS Jurisdiction 6 with strict timely-filing requirements (180 days for Medicare).
OB/GYN services we bill
Our ob/gyn billing team handles maternity global packages, OB ultrasound billing, gynecologic procedure coding (colposcopy, IUD, hysterectomy), and well-woman annuals. We’re particularly strong at managing the common global maternity carve-outs, ICD-10 Z34/O09/Z3A code accuracy, and 99213+59 vs 99213+25 modifier disputes.
Why Illinois ob/gyn practices choose AMS
- 33+ years handling Medicare billing across all 8 MAC jurisdictions including National
- 95%+ clean claim rate on first submission, vs 85-90% industry average
- 100% U.S.-based billing team — no offshoring, all PHI stays domestic
- HIPAA-compliant with full BAA, encrypted data exchange, role-based access
- AAPC-certified coders — every chart is reviewed by a CPC, COC, or CRC
Frequently asked questions
Yes — every plan listed in HealthChoice Illinois MCOs: Aetna Better Health, Blue Cross Community, CountyCare, Meridian, Molina, YouthCare. We verify benefits before each billing cycle.
We bill the maternity global package (59400, 59510, 59610, 59618) per payer rules — some carriers require unbundled billing, others want global. We verify which model each payer uses before each pregnancy.
Yes — we handle all OB ultrasound codes including 76801-76817 with proper Z3A trimester staging and units billing for twins or multiples. Auditors love clean documentation here.
Ready to talk? Call (214) 571-6317 or book a free 30-minute review with our team. We’ll audit a sample of your Illinois ob/gyn claims at no cost.