Joseph Hosner, M.D.
NPI 1639255110 · Ophthalmology Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Hosner, M.D. is a Ophthalmology Physician provider in Kalamazoo, MI (NPI 1639255110).
Provider details
- NPI number
- 1639255110
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 53115 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,860 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 625 | $86 |
| Established Patient Complete Exam of Visual System92014 | 535 | $117 |
| Exam of Visual Field With Extended Testing92083 | 267 | $58 |
| Exam of the Internal Drainage System of Eye92020 | 249 | $25 |
| Imaging of Optic Nerve92133 | 203 | $34 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 157 | $37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 2,219 | 726 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 1,306 | 390 |
| Prednisolone Acetate | 1,009 | 645 |
| Brimonidine Tartrate | 682 | 222 |
| Timolol Maleate | 531 | 202 |
| Dorzolamide Hcl | 528 | 186 |
| Moxifloxacin Hclbrand: Moxifloxacin | 285 | 173 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$305 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2016-07-28
Frequently asked questions
- What is Joseph Hosner's NPI number?
- Joseph Hosner's National Provider Identifier (NPI) is 1639255110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Hosner's specialty?
- Joseph Hosner is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Hosner located?
- Joseph Hosner's practice location on file with NPPES is 333 Turwill Ln, Kalamazoo, MI 49006-5225.
- What is Joseph Hosner's phone number?
- The practice phone number listed in the NPPES registry for Joseph Hosner is (269) 373-3937.
- Does Joseph Hosner accept Medicare?
- Joseph Hosner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Hosner's NPI active?
- Yes — Joseph Hosner's NPI (1639255110) is active in the NPPES registry as of the last update on 2016-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.