AOBIM Internal Medicine

It is the exam required for initial AOA board certification in internal medicine, administered by the American Osteopathic Board of Internal Medicine. The next announced administration window is Sept. 16-18, 2026. Application, registration, and results all run through the AOA Certification Portal, so check current eligibility criteria and deadlines there before planning your study timeline.

Per the AOBIM site, the Initial Internal Medicine Initial Certification Exam is scheduled for Sept. 16-18, 2026. Subspecialty Initial Certification Exams and Subspecialty OCC (Recertification) Exams are both listed for Aug. 12-14, 2026. These are announced future windows; confirm your specific exam and any deadline changes on the AOBIM Exam Dates & Deadlines page.

AOBIM does not publish the item count, time limit, or passing score on the pages reviewed here, so treat any specific number you hear from peers with caution. Plan for a multi-hour computer-based exam delivered over the scheduled window and confirm logistics through the AOA Certification Portal and the Remote Exam Preparation resources before test day.

Expect board-level breadth across general internal medicine rather than deep subspecialty trivia, plus osteopathic principles as they apply to patient care. A sensible order is high-yield general medicine (cardiology, pulmonary, GI, renal/electrolytes, infectious disease, endocrinology), then hematology/oncology, rheumatology, and neurology, with spaced retrieval practice throughout rather than passive reading.

Typical pitfalls are studying only subspecialty depth while neglecting general medicine and ambulatory management, deferring question practice until the final weeks, and ignoring the exam's osteopathic context. Candidates also lose points on guideline-concordant first-line therapy and on distinguishing similar presentations. Build question sets early, review every miss for the reasoning gap, and rehearse timing under simulated conditions.

Retake rules, waiting periods, and any fees are set by AOBIM and are not published on the pages reviewed here, so this page cannot state them. Contact AOBIM directly or check the board policies and FAQ sections of aobim.org for the current retake policy, then request your score report to target the weakest content areas before reapplying.

Osteopathic Continuous Certification is the maintenance pathway after initial certification. AOBIM lists four OCC components plus a longitudinal assessment taken in the AOA Learning Portal, with CME tracked in the Physician Portal. Rather than one high-stakes sitting, OCC spreads assessment across your certification cycle, so keep CME documentation current and register for the longitudinal assessment on schedule.

Fees and certification validity periods are not stated on the AOBIM pages reviewed for this guide, so no figures are given here. Both are set by the board and can change, so verify current amounts and cycle length in the AOA Certification Portal or by contacting AOBIM before you budget or plan your recertification timeline.

AOBIM maintains a Remote Exam Preparation section and a Test Accommodations page, which indicates remote delivery and accommodation requests are handled by the board. Specific eligibility rules and request deadlines are not detailed on the pages reviewed here, so review those two sections early, since accommodation requests typically need lead time before your scheduled window.