ASM Participants, Final 2027 List
Ambulatory Specialty Model Participants in Missouri
49 clinicians were identified for mandatory Ambulatory Specialty Model participation starting January 2027, representing 0.9% of all 5,556 participants nationally. 12% are in small practices.
Learn about ASMOur Take
On the list? You're in for 2027: review your episode cost data and begin building collaborative care arrangements. Not on the list? If you practice in a mandatory geographic area, you are not in ASM for 2027, but CMS rechecks eligibility each year and can add clinicians starting in 2028.
Largest organizations in Missouri
Top 10 by participant count
| Organization | Participants |
|---|---|
| HEARTLAND REGIONAL MEDICAL CENTER | 9 |
| COLUMBIA ORTHOPAEDIC GROUP LLP | 8 |
| CHAS PHYSICIAN SERVICES LLC | 7 |
| FREEMAN-OAK HILL HEALTH SYSTEM | 7 |
| OZARKS MEDICAL CENTER | 4 |
| THE CURATORS OF THE UNIVERSITY OF MISSOURI | 4 |
| XIAOHUI'S MEDICAL, LLC | 2 |
| BOONE PHYSICIAN SERVICES LLC | 2 |
| FOUR STATES PAIN RELIEF INSTITUTE, LLC | 1 |
| PAIN TREATMENT ASSOCIATES LLC | 1 |
Full participant list
49 clinicians · Final list · September 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Sajjad Ahmad | 1013359173 | Heart Failure | HEARTLAND REGIONAL MEDICAL CENTER | — |
| John Baird | 1659363919 | Heart Failure | CHAS PHYSICIAN SERVICES LLC | — |
| Vigyan Bang | 1790199727 | Heart Failure | FREEMAN-OAK HILL HEALTH SYSTEM | — |
| Alejandro Blachar | 1245208206 | Low Back Pain | HEARTLAND REGIONAL MEDICAL CENTER | — |
| John Boyer | 1912999285 | Heart Failure | CHAS PHYSICIAN SERVICES LLC | — |
| Rachael Brashears | 1427445493 | Low Back Pain | BOONE PHYSICIAN SERVICES LLC | — |
| Lizbeth Brice | 1548555113 | Heart Failure | MERCY CLINIC JOPLIN LLC | — |
| Abdul fettah Buyuk | 1407371545 | Low Back Pain | THE CURATORS OF THE UNIVERSITY OF MISSOURI | — |
| Troy Caron | 1033182050 | Low Back Pain | OZARKS MEDICAL CENTER | — |
| Theodore Choma | 1609813799 | Low Back Pain | THE CURATORS OF THE UNIVERSITY OF MISSOURI | — |
Prepare for ASM
Guides and analysis for Missouri clinicians
ASM Preparation Checklist
Concrete steps for cost, quality, and coordination
ASM for Cardiologists
Heart failure cohort scoring and measures
ASM for Spine & Pain Specialists
Low back pain cohort scoring and measures
Source: CMS Final ASM Participant List for CY2027 (September 2026). Participation is determined per TIN and NPI; confirm your status with CMS.