ASM Participants, Final 2027 List
Ambulatory Specialty Model Participants in Massachusetts
54 clinicians were identified for mandatory Ambulatory Specialty Model participation starting January 2027, representing 1.0% of all 5,556 participants nationally. 19% 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 Massachusetts
Top 10 by participant count
| Organization | Participants |
|---|---|
| SOUTHCOAST PHYSICIANS GROUP INC | 17 |
| STEWARD MEDICAL GROUP INC | 13 |
| MASS GENERAL BRIGHAM MEDICAL GROUP WESTERN MASSACHUSETTS INC | 5 |
| STURDY HEALTH INC | 3 |
| FRANKLIN PAIN ASSOCIATES LLC | 3 |
| PRIMA CARE, PC | 3 |
| PIONEER SPINE AND SPORTS PHYSICIANS PC | 2 |
| SOUTHEAST REHABILITATION ASSOCIATES, PC | 2 |
| SOUTHCOAST CARDIOLOGY LLC | 1 |
| GREATER NEW BEDFORD PHYSICAL THERAPY AND SPORTS REHABILITATION INC | 1 |
Full participant list
54 clinicians · Final list · September 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Parakrama Ananta | 1689647174 | Low Back Pain | SOUTHEAST REHABILITATION ASSOCIATES, PC | ✓ |
| James Arcoleo | 1407885676 | Heart Failure | MASS GENERAL BRIGHAM MEDICAL GROUP WESTERN MASSACHUSETTS INC | — |
| M. wajid Baig | 1417959610 | Heart Failure | SOUTHCOAST PHYSICIANS GROUP INC | — |
| Jonathan Bier | 1306883343 | Heart Failure | STEWARD MEDICAL GROUP INC | — |
| Douglas Burtt | 1962449900 | Heart Failure | LIFESPAN PHYSICIAN GROUP INC | — |
| Do Chan | 1316966393 | Low Back Pain | FRANKLIN PAIN ASSOCIATES LLC | ✓ |
| Ravi Chander | 1457355729 | Heart Failure | PRIMA CARE, PC | — |
| Simon Chao | 1144481532 | Low Back Pain | STURDY HEALTH INC | — |
| Sudarshan Chatterjee | 1750465712 | Heart Failure | MASS GENERAL BRIGHAM MEDICAL GROUP WESTERN MASSACHUSETTS INC | — |
| George Chilazi | 1811917529 | Heart Failure | STEWARD MEDICAL GROUP INC | — |
Prepare for ASM
Guides and analysis for Massachusetts 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.