John M. Williams, OD
NPI 1790880714ActiveIndividual· Optometrist· Champaign, IL
Optometrist (OD) in Champaign, Illinois, trained at Illinois College of Optometry at Chicago (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $183,349 for 1,687 claims, against $35,919 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 6 companies reporting payments in 2025, $377.51 in all, mostly food and beverage.
Overview
| NPI | 1790880714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Sep 14, 2006 |
| Last updated in NPPES | Apr 27, 2026 |
| Certified by provider | Apr 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 046008016 | IL |
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 - Optometry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 532 |
|---|---|
| Services billed | 858 across 20 procedure codes |
| Paid by Medicare | $35,919 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,687 · 3,199 30-day fills |
|---|---|
| Patients | 456 |
| Total drug cost | $183,349 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Optometry |
Medical group
- Carle Health Care IncorporatedUrbana, IL · 1,666 clinicians
Hospital affiliation
- Carle Foundation HospitalUrbana, IL
Industry payments (Open Payments)
- 2025$377.51 · 14 payments from 6 companies
- 2024$313.11 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $184.09 | 7 |
| Harrow Eye, LLC | $60.28 | 2 |
| Tarsus Pharmaceuticals, Inc. | $59.47 | 2 |
| Genentech USA, Inc. | $29.20 | 1 |
| Astellas Pharma US Inc | $28.96 | 1 |
What the 2025 payments were for
- Food and Beverage$377.51 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 optometrists in Champaign · All optometrists in Illinois