Jack G. Guenther, OD
NPI 1215047063ActiveIndividual· Optometrist· Mokena, IL
Optometrist (OD) in Mokena, Illinois, licensed in IL, with an NPI issued in August 2006. Mostly services rather than prescriptions: Medicare paid $9,637 for 111 patients in 2024, with only 33 Part D claims.
Overview
| NPI | 1215047063 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Sep 25, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 046008314 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 111 |
|---|---|
| Services billed | 124 across 3 procedure codes |
| Paid by Medicare | $9,637 |
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 38 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $894.76 |
| Generic share | 58% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Optometry |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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