ASM (Ambulatory Specialty Model)

Final Ambulatory Specialty Model Participants Announced

The list of final ASM participants for the 2027 performance year is now available. Access the ASM Participants dataset.

Register for the ASM Participant September 2026 Office Hour to learn how to prepare for participation in ASM.

The Ambulatory Specialty Model (ASM) aims to improve upstream management of chronic disease to reduce avoidable hospitalizations and unnecessary procedures in Original Medicare. It tests whether performance-based payment adjustments for select specialists who care for beneficiaries with heart failure or low back pain will encourage stronger care coordination and chronic disease management.

ASM is a mandatory model with five performance years that run from January 1, 2027, through December 31, 2031.

Key Points
  • Problem: People with chronic conditions often see multiple, unconnected clinicians, which can lead to fragmented care, delayed diagnoses and treatment, unnecessary procedures and hospitalization, and poor health outcomes.
  • Solution: ASM will promote preventive care and more effective upstream chronic disease management by rewarding ASM participants that are heart failure and low back pain specialists for improving patient health outcomes and coordinating with primary care providers.
  • Outcomes: Successful outcomes include reducing avoidable hospitalizations and unnecessary procedures, improving patient experience, and lowering costs to Original Medicare.  
  • Strategy: ASM will help to achieve President Trump’s directive to Make America Healthy Again by promoting preventive care through screenings, increasing transparency by making medical provider performance data more widely available, and protecting American taxpayers by holding select specialists accountable for the cost and quality of care they deliver. 


Stay Connected

Model Summary

Stage: Announced
Number of Participants: N/A
Category: Disease-Specific & Episode-Based Models
Authority: Section 1115A of the Social Security Act

CMS Innovation Center Highlights

Learn about topics that play a critical role in our work on our Key Concepts webpage.

Read stories about our work in action on the Value-Based Care Spotlight.

Page Last Modified:
09/15/2026 02:15 PM