Mark Houston, DMD
NPI 1801312145ActiveIndividual· Dentist, Endodontics· Tigard, OR
Dentist, Endodontics (DMD) in Tigard, Oregon, licensed in OR, with an NPI issued in August 2017. Part D covered 35 prescriptions written in 2024, 100% of them generic. Colgate Oral Pharmaceuticals, Inc. reported $17.48 in payments in 2025, mostly education.
Overview
| NPI | 1801312145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | Yes |
| NPI issued | Aug 18, 2017 |
| Last updated in NPPES | Jul 5, 2025 |
| Certified by provider | Jul 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Endodontics Primary | 1223E0200X | D12142 | OR |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 35 · 35 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $128.95 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$17.48 · 1 payment from 1 company
- 2024$136.78 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Colgate Oral Pharmaceuticals, Inc. | $17.48 | 1 |
What the 2025 payments were for
- Education$17.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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