ASM Participants, Final 2027 List
Ambulatory Specialty Model Participants in Mississippi
30 clinicians were identified for mandatory Ambulatory Specialty Model participation starting January 2027, representing 0.5% 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 Mississippi
Top 10 by participant count
| Organization | Participants |
|---|---|
| HATTIESBURG CLINIC PA | 5 |
| SOUTHERN BONE & JOINT SPECIALISTS, PA | 5 |
| THE COLUMBUS ORTHOPAEDIC CLINIC, P.A. | 3 |
| BAPTIST MEMORIAL MEDICAL GROUP, INC. | 2 |
| STERN CARDIOVASCULAR FOUNDATION, INC | 2 |
| CAMPBELL CLINIC PC | 2 |
| NORTH MISSISSIPPI CLINICS LLC | 1 |
| ORTHOONE SPORTS MEDICINE & ORTHOPAEDICS PLLC | 1 |
| WESLEY PHYSICIAN SERVICES LLC | 1 |
| OUR LADY OF THE LAKE PHYSICIAN GROUP LLC | 1 |
Full participant list
30 clinicians · Final list · September 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Chad Altmyer | 1952494718 | Low Back Pain | SPECIALTY ORTHOPEDIC GROUP OF MS, PLLC | — |
| James Antinnes | 1215966130 | Low Back Pain | SOUTHERN BONE & JOINT SPECIALISTS, PA | — |
| Barbara Barnard | 1144244351 | Low Back Pain | HATTIESBURG CLINIC PA | — |
| Mark Barron | 1255576377 | Low Back Pain | HATTIESBURG CLINIC PA | — |
| Parker Bell | 1619171188 | Low Back Pain | HATTIESBURG CLINIC PA | — |
| Brent Bevard | 1669486692 | Low Back Pain | HATTIESBURG CLINIC PA | — |
| Douglas Cannon | 1376569210 | Low Back Pain | CAMPBELL CLINIC PC | — |
| Fisher Covin | 1184665580 | Heart Failure | WESLEY PHYSICIAN SERVICES LLC | — |
| Gregory Dabov | 1699761387 | Low Back Pain | CAMPBELL CLINIC PC | — |
| Kenny Edwards | 1659405793 | Low Back Pain | THE COLUMBUS ORTHOPAEDIC CLINIC, P.A. | — |
Prepare for ASM
Guides and analysis for Mississippi 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.