ASM Participants, Final 2027 List
Ambulatory Specialty Model Participants in Texas
960 clinicians were identified for mandatory Ambulatory Specialty Model participation starting January 2027, representing 17.3% of all 5,556 participants nationally. 51% 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 Texas
Top 10 by participant count
| Organization | Participants |
|---|---|
| HEALTHTEXAS PROVIDER NETWORK | 35 |
| ORTHOLONESTAR PLLC | 31 |
| TMH PHYSICIAN ASSOCIATES PLLC | 27 |
| ST DAVIDS HEART & VASCULAR PLLC | 26 |
| THE UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | 19 |
| ARLINGTON NEUROSURGEONS, PLLC | 18 |
| SETON FAMILY OF DOCTORS | 18 |
| BHS PHYSICIANS NETWORK, INC | 17 |
| CARDIOLOGY CLINIC OF SAN ANTONIO PLLC | 16 |
| CHRISTUS TRINITY CLINIC | 16 |
Full participant list
960 clinicians · Final list · September 2026
| Name | NPI | Cohort | Organization | Small Practice |
|---|---|---|---|---|
| Basem Abdelfattah | 1467688853 | Low Back Pain | CHRONIC PAIN RELIEF PA | ✓ |
| William Abide | 1932307261 | Heart Failure | ST DAVIDS HEART & VASCULAR PLLC | — |
| Wael Abo-auda | 1891782512 | Heart Failure | ABO-AUDA ASSOCIATES PLLC | ✓ |
| Arup Achari | 1538146022 | Heart Failure | MEDICAL CLINIC OF HOUSTON, LLP | — |
| Siddhartha Acharya | 1093722019 | Heart Failure | SID ACHARYA MD PA | ✓ |
| Bryan Aduddell | 1437598877 | Low Back Pain | COMPREHENSIVE PAIN SOLUTIONS OF TEXAS PLLC | ✓ |
| Adnan Afzal | 1790862985 | Heart Failure | ADNAN AFZAL, MD, PA | ✓ |
| Rajiv Agarwal | 1649486168 | Heart Failure | RAJIV AGARWAL MD PA | — |
| Ajay Aggarwal | 1467413567 | Low Back Pain | AJAY AGGARWAL | ✓ |
| Paul Aggarwal | 1740228063 | Heart Failure | TEXAS HEART CENTER, PLLC | ✓ |
Prepare for ASM
Guides and analysis for Texas 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.