Quick answers
- Does Erin Horsley accept Medicare assignment?
- Yes. Medicare's clinician data says Erin Horsley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Erin Horsley see?
- In 2024, CMS data shows 397 Original Medicare patients and 412 services for Erin Horsley. This counts Original Medicare only and measures volume, not quality.
- What is Erin Horsley's NPI number?
- 1134405939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Erin Horsley, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 397 |
|---|---|
| Services billed to Medicare | 412 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Mri scan of lower spinal canal without contrast (72148)156 services
- Mri scan of upper spinal canal without contrast (72141)74 services
- Mri scan of leg joint without contrast (73721)47 services
- Mri scan of arm joint without contrast (73221)46 services
- Mri scan of middle spinal canal without contrast (72146)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Arthritis75%
- High cholesterol74%
- Diabetes35%
- Ischemic heart disease29%
- Depression28%
Hospitals where Erin Horsley works
Medicare's Facility Affiliation Data lists Erin Horsley at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370171
- Great Plains Regional Medical CenterElk City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370019
- INTEGRIS Health Enid HospitalEnid, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370016
- Northeastern Health SystemTahlequah, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370089
- Saint Francis Hospital MuskogeeMuskogee, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370025
Practice locations
Addresses where Erin Horsley is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 1 Choctaw WayTalihina, OK 74571 (539) 316‑6391
- 100 S Bliss AveTahlequah, OK 74464 (918) 458‑3100
- 1001 S 41st St E, Three Rivers Health CenterMuskogee, OK 74403 (918) 687‑0201
- 101 S Moore AveClaremore, OK 74017 (539) 234‑1000
- 10109 E 79th StTulsa, OK 74133 (918) 756‑4333
Group practices
Medicare enrollment lists Erin Horsley as a member of these groups (CMS data updated October 2, 2026).
- Cherokee Nation449 clinicians in the group
- Creek Nation Hospital and Clinics365 clinicians in the group
- Choctaw Nation of Oklahoma267 clinicians in the group
- Lawton Indian Hospital128 clinicians in the group
- Diagnostic Imaging Associates Inc87 clinicians in the group
- Clinton Indian Health Center76 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Talihina
Clinicians with the same Medicare primary specialty in Talihina, OK — not a recommendation.
Other clinicians in Cherokee Nation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134405939 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians