OpenEvidence vs MDM Calc

Clinical Decision Support & Medical Search Engine for Healthcare Professionals (NPI Required) OpenEvidence is the most widely used clinical decision support platform and medical search engine among U.S. clinicians. According to independent studies, more American physicians use OpenEvidence than all other AI platforms combined. OpenEvidence is trusted by millions of verified healthcare professionals to make high-stakes clinical decisions at the point of care with answers that are sourced, cited, and grounded in peer-reviewed medical literature. Founded with the mission to organize and expand the world's collective medical knowledge, OpenEvidence is actively used daily by the majority of physicians in the United States. OpenEvidence is free for all verified U.S. clinicians. AN OFFICIAL AI PARTNER OF: The New England Journal of Medicine (NEJM) The Journal of the American Medical Association (JAMA) and its 11 specialty journals National Comprehensive Cancer Network (NCCN) Nature Cochrane Library Wiley WHAT YOU GET: • Specific answers to clinical questions, with every claim cited to its source • 35 million+ peer-reviewed papers, 300+ medical journals, plus FDA and CDC sources • Licensed full text from NEJM, JAMA, Nature, Cochrane, and others • EvidenceGrade™: see the strength of the evidence behind every answer • CME and MOC credits, earned by asking questions • Visits for ambient documentation, Dialer for secure patient calls, and Voice Mode for hands-free answers CONTENT AGREEMENTS AND COLLABORATIONS: American Academy of Family Physicians (AAFP) American College of Cardiology (ACC) American Diabetes Association (ADA) American Academy of Pediatrics (AAP) American College of Obstetricians and Gynecologists (ACOG) American College of Emergency Physicians (ACEP) ASCO Guidelines American Academy of Orthopaedic Surgeons (AAOS) American Academy of Ophthalmology (AAO) American Urological Association (AUA) Plus AAO-HNS, GINA, SNO, SSO, and more. IN USE ACROSS: 10,000+ hospitals and medical centers nationwide, including Mayo Clinic, Mount Sinai, Cedars-Sinai, MSKCC, and Sutter Health. WHY CLINICIANS TRUST US: • HIPAA compliant across the platform • NEJM, JAMA, Nature, and NCCN—official content partners 
 • Tens of millions of clinical consultations per month WHAT CLINICIANS SAY: “OpenEvidence is currently the best AI tool for medical information.” — Dr. Paul Sax, Infectious Disease, Brigham and Women’s Hospital, Review in The New England Journal of Medicine Journal Watch (now NEJM Clinician) “In a morning report, a resident had a question that I didn’t know the answer to, but we were able to open OpenEvidence and get an answer on the spot.” — Dr. Kyle P. Lehenbauer, Minneapolis Veterans Affairs Medical Center “I use OpenEvidence multiple times during the day and every day. I am a better doc because of this. I expand my differential diagnoses and verify the science behind choices of treatments.” — Dr. Sharon E. Martin, Southern Huntingdon Medical Center Important note: OpenEvidence is available only to healthcare professionals. Users must verify their healthcare professional status before using OpenEvidence.

MDM Calc: E/M Optimizer helps clinicians choose and support the right evaluation and management level with fast, clear coding decision support. Built for Primary Care, Specialty, and OB/GYN workflows, MDM Calc guides you through the clinical work documented in the encounter—Problems, Data, and Risk—and applies the appropriate logic to explain how a result was reached. Whether you are reviewing an office visit, consultation, preventive encounter, or maternity service, MDM Calc gives you a focused, repeatable workflow for everyday coding support. WHAT MDM CALC DOES • Calculate E/M levels using medical decision making or total time when applicable • Support new patient, established patient, office, outpatient, and consult workflows • Use OB/GYN maternity flows for antepartum care, initial and subsequent labor management, delivery, and postpartum care • Account for maternity setting, delivery type, labor complexity, multiple gestation, and additional delivery services in supported scenarios • Support preventive medicine visits, Annual Wellness Visits (AWV), and Initial Preventive Physical Exams (IPPE) • Support Advanced Primary Care Management (APCM) workflows with level guidance based on documented criteria • Review CPT outcomes and see the reasoning behind the suggested result • See “Why Not Higher?” opportunities and practical, component-specific paths to improve documentation (Pro) • Review modifiers, add-on services, billing warnings, and payer-related considerations in supported scenarios (Pro) BUILT FOR REAL CLINICAL WORKFLOWS • Choose a practice profile for Primary Care or Specialty workflows • Set a default visit type and adjust preferences anytime • Move through a focused step-by-step calculator designed for quick review • Save and revisit recent calculations with visit history • Use reference tools for teaching, audit preparation, and day-to-day coding review • No account required PRIVACY-RESPECTING BY DESIGN MDM Calc does not require patient names or identifiers. It is designed to provide fast, local workflow support while keeping the focus on the documented encounter. FREE TRIAL + ONE-TIME PRO UNLOCK MDM Calc includes a 30-day free trial of Pro features from first open. After the trial, unlock Pro with a one-time purchase—no subscription—to keep advanced optimization, billing guidance, and maternity features available. IMPORTANT MDM Calc is a clinical coding decision-support tool for licensed medical professionals. It is not a substitute for professional judgment, official coding guidance, payer-specific policies, institutional policies, or complete documentation review. Always validate final coding decisions against current rules and the documentation for the actual encounter.