Gregory Mark Atack, DMD, FAGD
NPI 1508839507ActiveIndividual· Dentist, General Practice· Portland, OR
Dentist, General Practice (DMD, FAGD) in Portland, Oregon, licensed in OR, with an NPI issued in February 2006. Part D covered 40 prescriptions written in 2024, 60% of them generic. Kulzer, LLC was the largest of 2 companies reporting payments in 2024, $270.99 in all, mostly food and beverage.
Overview
| NPI | 1508839507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD, FAGD |
| Sole proprietor | No |
| NPI issued | Feb 9, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | D7210 | OR |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 40 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $393.71 |
| Generic share | 60% of claims |
Industry payments (Open Payments)
- 2024$270.99 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Kulzer, LLC | $243.75 | 2 |
| Solventum Corporation | $27.24 | 1 |
What the 2024 payments were for
- Food and Beverage$270.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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