ASM Participants, Final 2027 List
Ambulatory Specialty Model Participants in Vermont
15 clinicians were identified for mandatory Ambulatory Specialty Model participation starting January 2027, representing 0.3% of all 5,556 participants nationally. 20% 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 Vermont
Top 5 by participant count
| Organization | Participants |
|---|---|
| UNIVERSITY OF VERMONT MEDICAL CENTER INC | 10 |
| HILLEMANN & KIRWAN MDS PC | 2 |
| NORTHWESTERN MEDICAL CENTER INC | 1 |
| SOUTHWESTERN VERMONT MEDICAL CENTER INC | 1 |
| TACONIC ORTHOPAEDICS PC | 1 |
Full participant list
15 clinicians · Final list · September 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Trace Barrett | 1265850499 | Heart Failure | UNIVERSITY OF VERMONT MEDICAL CENTER INC | — |
| Akshat Gargya | 1003298670 | Low Back Pain | UNIVERSITY OF VERMONT MEDICAL CENTER INC | — |
| Robert Giering | 1841214889 | Low Back Pain | TACONIC ORTHOPAEDICS PC | ✓ |
| Naeem Haider | 1609894021 | Low Back Pain | UNIVERSITY OF VERMONT MEDICAL CENTER INC | — |
| Steffen Hillemann | 1821056912 | Heart Failure | HILLEMANN & KIRWAN MDS PC | ✓ |
| Ryan Jewell | 1891908026 | Low Back Pain | UNIVERSITY OF VERMONT MEDICAL CENTER INC | — |
| Janet Kirwan | 1295757425 | Heart Failure | HILLEMANN & KIRWAN MDS PC | ✓ |
| Tiffini Lake | 1649258468 | Low Back Pain | UNIVERSITY OF VERMONT MEDICAL CENTER INC | — |
| Nathan Mauser | 1245572361 | Low Back Pain | NORTHWESTERN MEDICAL CENTER INC | — |
| Robert Monsey | 1568563450 | Low Back Pain | UNIVERSITY OF VERMONT MEDICAL CENTER INC | — |
Prepare for ASM
Guides and analysis for Vermont 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.