Mark Korthals, OD
NPI 1215091749ActiveIndividual· Optometrist· Maple Grove, MN
Optometrist (OD) in Maple Grove, Minnesota, trained at Illinois College of Optometry at Chicago (class of 2004). 79 Medicare patients in 2024, $6,386 paid; nearly all of their 66 Part D prescriptions were generic (97%).
Overview
| NPI | 1215091749 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Dec 20, 2006 |
| Last updated in NPPES | Sep 4, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2972 | MN |
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 (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 535 across 11 procedure codes |
| Paid by Medicare | $6,386 |
Part D prescriptions in 2024
| Prescriptions (claims) | 66 · 76 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $1,663 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical groups
- Minnesota Optical LLCElk River, MN · 5 clinicians
- Hutchinson Superstore IncHutchinson, MN · 4 clinicians
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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