Preliminary ASM Participants
7 clinicians in Vermont
Identified for mandatory Ambulatory Specialty Model participation starting January 2027—0.1% of all 6,637 participants nationally. 43% are in small practices.
Learn about ASMOur Take
On the list? Plan as if you're in—review your episode cost data and begin building collaborative care arrangements. Not on the list? If you practice in a mandatory geographic area, you may still appear on the final list (expected mid-2026).
Largest organizations in Vermont
Top 4 by participant count
| Organization | Participants |
|---|---|
| NORTHWESTERN MEDICAL CENTER INC | 2 |
| HILLEMANN & KIRWAN MDS PC | 2 |
| SOUTHWESTERN VERMONT MEDICAL CENTER INC | 2 |
| TACONIC ORTHOPAEDICS PC | 1 |
Full participant list
7 clinicians · Preliminary list · February 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Robert Giering | 1841214889 | Low Back Pain | TACONIC ORTHOPAEDICS PC | ✓ |
| Tracy Hagerty | 1073722674 | Heart Failure | NORTHWESTERN MEDICAL CENTER INC | — |
| Steffen Hillemann | 1821056912 | Heart Failure | HILLEMANN & KIRWAN MDS PC | ✓ |
| Janet Kirwan | 1295757425 | Heart Failure | HILLEMANN & KIRWAN MDS PC | ✓ |
| Nathan Mauser | 1245572361 | Low Back Pain | NORTHWESTERN MEDICAL CENTER INC | — |
| Scott Rogge | 1306813142 | Heart Failure | SOUTHWESTERN VERMONT MEDICAL CENTER INC | — |
| Michaela Schneiderbauer | 1972776797 | Low Back Pain | SOUTHWESTERN VERMONT MEDICAL CENTER INC | — |
Prepare for ASM
Guides and analysis for Vermont clinicians
ASM Preparation Checklist
Actionable 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 CY2027 Preliminary ASM Participant List (February 2026). Preliminary list based on available claims data. Final determinations expected mid-2026. Inclusion does not guarantee final participation; absence does not confirm exclusion.