Therapy platform · Lot 2026.10
ATI Physical Therapy,from Medicare's records.
Physical therapists billing Medicare through ATI Physical Therapy's entities (outpatient clinics), state by state, in the newest Medicare file (published 27 July 2026), and their change over 12 months. Counts of public records, not head counts.
- physical therapists billing Medicare
- 4,092
- states
- 23
- billing entities
- 29
01 / By state
Where ATI Physical Therapy bills.
−77 physical therapists over 12 months, nationally. A therapist enrolled in two states counts in each state here and once in the national total.
| State | PTs | 12 months |
|---|---|---|
| Washington | 570 | −18 |
| Illinois | 558 | +6 |
| South Carolina | 530 | +26 |
| Texas | 514 | +27 |
| Arizona | 431 | −12 |
| Maryland | 336 | +2 |
| Massachusetts | 309 | +30 |
| Indiana | 306 | +14 |
| Michigan | 235 | −12 |
| Pennsylvania | 211 | +10 |
| Nevada | 145 | −9 |
| Delaware | 141 | −4 |
| Alabama | 132 | 0 |
| Oregon | 129 | −15 |
| Wisconsin | 118 | +4 |
| Georgia | 71 | 0 |
| New Mexico | 59 | +5 |
| Tennessee | 49 | −1 |
| Alaska | 29 | +4 |
| Nebraska | 28 | −1 |
| North Carolina | 28 | +2 |
| Iowa | 18 | 0 |
| Missouri | 15 | +1 |
Every state and the largest platforms, side by side →
How the counts were tested, failures included →
Sources: Medicare Fee-For-Service Public Provider Enrollment (PECOS), published 27 July 2026; NPI registry (NPPES), published September 2026; Care Compare: Doctors and Clinicians, published 10 September 2026.
02 / Questions
Short answers.
How many physical therapists does ATI Physical Therapy have?
In Medicare's newest file, 4,092 physical therapists bill Medicare through ATI Physical Therapy's 29 billing entities in 23 states, −77 over 12 months.
Where is ATI Physical Therapy largest?
Washington (570), Illinois (558), South Carolina (530).
How is ATI Physical Therapy tied to these practices?
Each billing entity is tied to the platform only where a public source shows it (a clinic list, press release, SEC filing or the entity's own records), and counted from the day that source was public.
Ask for ATI Physical Therapy's workbook.
Every billing entity tied to the platform by quarter, each tie with its public source and the date it became public, and the practices in its markets with no tie found.