Quick answers
- Does Brock W. Horsley accept Medicare assignment?
- Yes. Medicare's clinician data says Brock W. 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 Brock W. Horsley see?
- In 2024, CMS data shows 109 Original Medicare patients and 201 services for Brock W. Horsley. This counts Original Medicare only and measures volume, not quality.
- What is Brock W. Horsley's NPI number?
- 1861451742. 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 Brock W. 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 | 109 |
|---|---|
| Services billed to Medicare | 201 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Hemoglobin a1c level (83036)133 services
- Urinalysis, manual test (81002)29 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)21 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%
- High cholesterol70%
- Diabetes68%
- Arthritis47%
- Anxiety28%
- Ischemic heart disease27%
Hospitals where Brock W. Horsley works
Medicare's Facility Affiliation Data lists Brock W. 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.
- McLaren Central MichiganMount Pleasant, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230080
- MyMichigan Medical Center ClareClare, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 230180
- MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230222
Practice locations
Addresses where Brock W. Horsley is enrolled with Medicare (CMS data updated October 2, 2026).
- 2790 Health PkwyMount Pleasant, MI 48858 (989) 953‑5320
- 522 E Main StFarwell, MI 48622 (989) 544‑8000
Group practices
Medicare enrollment lists Brock W. Horsley as a member of this group (CMS data updated October 2, 2026).
- Isabella Citizens for Health Inc14 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Mount Pleasant
Clinicians with the same Medicare primary specialty in Mount Pleasant, MI — not a recommendation.
Other clinicians in Isabella Citizens for Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861451742 |
| 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