Published by APM Connect | 10/7/2026 ASM CMS Office Hours clarified portal onboarding, participant responsibilities, reporting requirements, and unresolved policy questions for the 2027 model start. Portal Onboarding ASM-selected physicians must register individually through the CMS Enterprise Portal to confirm contact information, complete required onboarding activities, and gain access to the data, tools, and resources needed to succeed in the model. Registration should oc

Published on APM Connect | August 2026 CMS has not yet posted the final list of clinicians who will be in the Ambulatory Specialty Model on January 1, 2027, 133 days from now, the ASM Participants data site still holds only the February preliminary file. But the two cost measures the model runs on are not a mystery, and they are not new. ASM's cost category uses the existing MIPS episode-based cost measures for heart failure and low back pain, and the 2026 performance-period

→ Look up your NPI at TechyPolicy.com — the interactive tool shows your individual Part B allowed amounts, penalty exposure at each year’s rate (9% → 12%), cohort assignment, small practice designation, and organizational context. If you manage a group, the organization scorecard aggregates all ASM participants within your entity.

CMS determines ASM participant eligibility using the following criteria. A clinician must meet all four to be subject to mandatory participation in a given performance ye

ASM selection isn’t a one-time event—it’s a data-driven, multi-year process tied to historical claims and episode volume.

CMS proposes the Ambulatory Specialty Model (ASM), a new mandatory model holding specialists accountable for heart failure and low back pain.