Mark R. Zelko, D.D.S.
NPI 1144603671ActiveIndividual· Dentist, General Practice· Pewaukee, WI
Dentist, General Practice (D.D.S.) in Pewaukee, Wisconsin, licensed in WI, with an NPI issued in July 2015. Part D covered 30 prescriptions written in 2024, 100% of them generic. Align Technology, Inc. was the largest of 3 companies reporting payments in 2025, $99.28 in all, mostly education.
Overview
| NPI | 1144603671 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2015 |
| Last updated in NPPES | Jul 1, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 1001162-15 | WI |
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 Order and Referring Only - Oral Surgery (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 30 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $134.09 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$99.28 · 4 payments from 3 companies
- 2024$19.64 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Align Technology, Inc. | $65.79 | 2 |
| Dentsply Sirona Inc | $19.72 | 1 |
| Philips North America LLC | $13.77 | 1 |
What the 2025 payments were for
- Education$50.00 · 1 payment
- Food and Beverage$49.28 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 general dentists in Pewaukee · All general dentists in Wisconsin