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Final ASM Participant List, 2027

Who's on the list, what it means, and what to do next.

In September 2026 CMS published the final participant list for the Ambulatory Specialty Model, which starts January 1, 2027. Select a state to see which clinicians, organizations, and cohorts are included.

Learn about the Ambulatory Specialty Model
5,556
Participants
2,215
Heart Failure
3,341
Low Back Pain
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Browse by state

Texas

960participants
HF 346·LBP 614·422 orgs

California

586participants
HF 246·LBP 340·286 orgs

Florida

481participants
HF 190·LBP 291·283 orgs

Georgia

303participants
HF 115·LBP 188·102 orgs

New Jersey

263participants
HF 131·LBP 132·99 orgs

Virginia

249participants
HF 107·LBP 142·82 orgs

Michigan

230participants
HF 90·LBP 140·108 orgs

New York

222participants
HF 113·LBP 109·72 orgs

Ohio

165participants
HF 71·LBP 94·46 orgs

Pennsylvania

157participants
HF 60·LBP 97·46 orgs

Louisiana

146participants
HF 57·LBP 89·55 orgs

Alabama

125participants
HF 43·LBP 82·51 orgs

Kentucky

119participants
HF 37·LBP 82·48 orgs

Arkansas

117participants
HF 43·LBP 74·42 orgs

Tennessee

110participants
HF 40·LBP 70·51 orgs

Oklahoma

108participants
HF 38·LBP 70·48 orgs

Delaware

98participants
HF 44·LBP 54·40 orgs

Illinois

95participants
HF 48·LBP 47·38 orgs

Wisconsin

87participants
HF 22·LBP 65·35 orgs

North Carolina

82participants
HF 39·LBP 43·31 orgs

Washington

79participants
HF 34·LBP 45·21 orgs

Connecticut

67participants
HF 34·LBP 33·27 orgs

Utah

56participants
HF 13·LBP 43·22 orgs

Kansas

54participants
HF 32·LBP 22·29 orgs

Nebraska

54participants
HF 21·LBP 33·16 orgs

Massachusetts

54participants
HF 30·LBP 24·14 orgs

Indiana

52participants
HF 21·LBP 31·23 orgs

Missouri

49participants
HF 23·LBP 26·14 orgs

Rhode Island

41participants
HF 18·LBP 23·17 orgs

Alaska

36participants
HF 13·LBP 23·15 orgs

Colorado

35participants
HF 9·LBP 26·21 orgs

Iowa

35participants
HF 12·LBP 23·17 orgs

Maryland

34participants
HF 14·LBP 20·17 orgs

Mississippi

30participants
HF 9·LBP 21·17 orgs

South Carolina

29participants
HF 6·LBP 23·14 orgs

Montana

25participants
HF 9·LBP 16·10 orgs

Idaho

25participants
HF 2·LBP 23·17 orgs

Oregon

21participants
HF 7·LBP 14·11 orgs

South Dakota

16participants
HF 5·LBP 11·4 orgs

Vermont

15participants
HF 5·LBP 10·5 orgs

North Dakota

12participants
HF 4·LBP 8·6 orgs

West Virginia

10participants
HF 5·LBP 5·8 orgs

New Hampshire

8participants
HF 1·LBP 7·4 orgs

Arizona

7participants
HF 3·LBP 4·6 orgs

New Mexico

5participants
HF 3·LBP 2·4 orgs

Hawaii

4participants
HF 2·LBP 2·4 orgs

Next Steps

Understand your ASM position

Analysis

What the Participant List Means

What changed from the February list to the final one

Summary

ASM for Cardiologists

What heart failure specialists need to know

Summary

ASM for Spine & Pain Specialists

Low back pain clinicians

Explainer

The Ambulatory Specialty Model Explained

Full analysis of scoring, structure, and strategy

Guide

ASM Preparation Guide

Practical steps if you're on the list

Analytics

MIPS Cost Category

Episode cost data that maps to ASM scoring

Contact

What the List Means for You

Tell us your state and specialty; we'll walk through the cohort math

Source: CMS Final ASM Participant List for CY2027 (September 2026), which replaced the February 2026 preliminary list. Participation is determined per TIN and NPI; confirm your status with CMS.