Paul Robert Niesen, D.D.S.
NPI 1629293162ActiveIndividual· Dentist, General Practice· Gaithersburg, MD
Dentist, General Practice (D.D.S.) in Gaithersburg, Maryland, licensed in MD, with an NPI issued in April 2007. Part D covered 39 prescriptions written in 2024, 92% of them generic. Patterson Companies, Inc. was the largest of 2 companies reporting payments in 2025, $32,130 in all, mostly honoraria.
Overview
| NPI | 1629293162 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 11526 | MD |
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 - Dentist (MD) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 39 · 39 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $411.98 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2025$32,130 · 10 payments from 2 companies
- 2024$25,564 · 29 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Patterson Companies, Inc. | $31,970 | 7 |
| Dentsply Sirona Inc | $160.10 | 3 |
What the 2025 payments were for
- Honoraria$31,970 · 7 payments
- Food and Beverage$160.10 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 108 general dentists in Gaithersburg · All general dentists in Maryland