Preliminary ASM Participants
91 clinicians in Connecticut
Identified for mandatory Ambulatory Specialty Model participation starting January 2027—1.4% of all 6,637 participants nationally. 19% 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 Connecticut
Top 10 by participant count
| Organization | Participants |
|---|---|
| HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC | 13 |
| ORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC | 13 |
| STARLING PHYSICIANS, PLLC | 10 |
| TRINITY HEALTH OF NEW ENGLAND PROVIDER NETWORK ORGANIZATION INC | 9 |
| CONSULTING CARDIOLOGISTS PC | 7 |
| ORTHOPEDIC ASSOCIATES OF HARTFORD,PC | 7 |
| UNIVERSITY OF CONNECTICUT HEALTH CENTER | 4 |
| EASTERN CONNECTICUT CARDIOLOGY ASSOCIATES LLC | 2 |
| THE CHARLOTTE HUNGERFORD HOSPITAL | 2 |
| JONATHAN A KOST, MD LLC | 2 |
Full participant list
91 clinicians · Preliminary list · February 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Kathleen Abbott | 1619901378 | Low Back Pain | STARLING PHYSICIANS, PLLC | — |
| Arun Agarwal | 1326226044 | Heart Failure | STARLING PHYSICIANS, PLLC | — |
| David Altszuler | 1003177965 | Heart Failure | CONSULTING CARDIOLOGISTS PC | — |
| William Barrick | 1336165414 | Low Back Pain | ORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC | — |
| Jeffrey Bash | 1497868053 | Low Back Pain | ORTHOPAEDIC & NEUROSURGERY SPECIALISTS, PLLC | — |
| Steven Bleich | 1184914343 | Heart Failure | CONSULTING CARDIOLOGISTS PC | — |
| Robert Boolbol | 1316935034 | Low Back Pain | PAIN MANAGEMENT PARTNERS LLC | ✓ |
| Steven Borer | 1528210119 | Heart Failure | HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC | — |
| Stephen Calderon | 1699716183 | Low Back Pain | STEPHEN F CALDERON MD PC | ✓ |
| Andrew Caputo | 1871590190 | Low Back Pain | ORTHOPEDIC ASSOCIATES OF HARTFORD,PC | — |
Prepare for ASM
Guides and analysis for Connecticut 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.