ASM Participants, Final 2027 List
Ambulatory Specialty Model Participants in Washington
79 clinicians were identified for mandatory Ambulatory Specialty Model participation starting January 2027, representing 1.4% of all 5,556 participants nationally. 9% 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 Washington
Top 10 by participant count
| Organization | Participants |
|---|---|
| CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | 10 |
| PROLIANCE SURGEONS INC P S | 10 |
| PUBLIC HOSPITAL DIST NO 1 SKAGIT | 8 |
| FRANCISCAN MEDICAL GROUP | 8 |
| MULTICARE HEALTH SYSTEM | 7 |
| OPTUM CARE WASHINGTON PLLC | 6 |
| YAKIMA VALLEY MEMORIAL PHYSICIANS | 6 |
| SWEDISH HEALTH SERVICES | 5 |
| SOUND PAIN ALLIANCE | 3 |
| WESTERN WASHINGTON MEDICAL GROUP INC PS | 2 |
Full participant list
79 clinicians · Final list · September 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Sujata Agnani | 1841305323 | Heart Failure | OPTUM CARE WASHINGTON PLLC | — |
| Alireza Anissipour | 1033352968 | Low Back Pain | WESTERN WASHINGTON MEDICAL GROUP INC PS | — |
| James Babington | 1760525760 | Low Back Pain | SWEDISH EDMONDS | ✓ |
| Margaret Beckwith | 1902309719 | Low Back Pain | CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | — |
| Vivek Bhatia | 1699094359 | Heart Failure | PROVIDENCE HEALTH & SERVICES- WASHINGTON | — |
| Robert Billow | 1689672552 | Low Back Pain | PUBLIC HOSPITAL DISTRICT NO 2 SKAGIT COUNTY WASHINGTON | — |
| John Blair | 1700985611 | Low Back Pain | PROLIANCE SURGEONS INC P S | — |
| Jonathan Bolles | 1003839093 | Heart Failure | CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | — |
| Oscar Briseno | 1770794331 | Heart Failure | PUBLIC HOSPITAL DIST NO 1 SKAGIT | — |
| Michael Carpenter | 1255350377 | Low Back Pain | OPTUM CARE WASHINGTON PLLC | — |
Prepare for ASM
Guides and analysis for Washington 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.