Iain W. Decker, DO
NPI 1740718410ActiveIndividual· Ophthalmology· Beloit, WI
Ophthalmology (DO) in Beloit, Wisconsin, trained at Michigan State University College of Osteopathic Medicine (class of 2017). In 2024 Medicare paid $146,562 for 547 patients, and Part D covered 1,606 of their prescriptions, 69% of them generic. Tarsus Pharmaceuticals, Inc. was the largest of 6 companies reporting payments in 2025, $127.97 in all, mostly food and beverage.
Overview
| NPI | 1740718410 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 25, 2017 |
| Last updated in NPPES | Mar 12, 2025 |
| Certified by provider | Mar 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 75511-21 | WI |
| Ophthalmology | 207W00000X | 036-157241 | IL |
| Ophthalmology | 207W00000X | 5101028533 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (IL); Practitioner - Ophthalmology (MI); Practitioner - Ophthalmology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 547 |
|---|---|
| Services billed | 2,191 across 39 procedure codes |
| Paid by Medicare | $146,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,606 · 2,554 30-day fills |
|---|---|
| Patients | 366 |
| Total drug cost | $93,920 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Ophthalmology |
Medical group
- Blue Sky Vision Eye Care PCHolland, MI · 51 clinicians
Hospital affiliation
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
Industry payments (Open Payments)
- 2025$127.97 · 6 payments from 6 companies
- 2024$222.53 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $27.94 | 1 |
| Dompe US, Inc. | $27.27 | 1 |
| Harrow Eye, LLC | $23.95 | 1 |
| Oyster Point Pharma, Inc. | $18.77 | 1 |
| Bausch & Lomb Americas Inc. | $15.26 | 1 |
What the 2025 payments were for
- Food and Beverage$127.97 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other ophthalmologists in Beloit
- 1437169752
- 1730613621
- 1326151002