Quick answers
- Does Joseph W. Hosner accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph W. Hosner 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 Joseph W. Hosner see?
- In 2024, CMS data shows 864 Original Medicare patients and 2,972 services for Joseph W. Hosner. This counts Original Medicare only and measures volume, not quality.
- What is Joseph W. Hosner's NPI number?
- 1639255110. 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 Joseph W. Hosner, 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 | 864 |
|---|---|
| Services billed to Medicare | 2,972 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)625 services
- Established patient complete exam of visual system (92014)535 services
- Exam of visual field with extended testing (92083)267 services
- Exam of the internal drainage system of eye (92020)249 services
- Imaging of optic nerve (92133)203 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 cholesterol70%
- High blood pressure69%
- Arthritis43%
- Diabetes27%
- Chronic kidney disease25%
- Ischemic heart disease22%
Hospitals where Joseph W. Hosner works
Medicare's Facility Affiliation Data lists Joseph W. Hosner 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.
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230017
Practice locations
Addresses where Joseph W. Hosner is enrolled with Medicare (CMS data updated October 2, 2026).
- 333 Turwill Ln, Suite AKalamazoo, MI 49006 (269) 373‑3937
Group practices
Medicare enrollment lists Joseph W. Hosner as a member of this group (CMS data updated October 2, 2026).
- Advanced Vision Care PC3 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Kalamazoo
Clinicians with the same Medicare primary specialty in Kalamazoo, MI — not a recommendation.
Other clinicians in Advanced Vision Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639255110 |
| 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