Mark C. Berdahl, DDS
NPI 1275563264ActiveIndividual· Dentist, General Practice· Sioux Falls, SD
Opted out of Medicare from August 2019 to August 2027. Dentist, General Practice (DDS) in Sioux Falls, South Dakota, licensed in SD, with an NPI issued in July 2006. Part D covered 68 prescriptions written in 2024, 87% of them generic. Solventum Corporation reported $547.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1275563264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | No |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | M687 | SD |
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 |
|---|---|
| Opt-out | Opted out Aug 9, 2019 – Aug 9, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 76 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $424.96 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2025$547.79 · 40 payments from 1 company
- 2024$43.34 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $547.79 | 40 |
What the 2025 payments were for
- Food and Beverage$547.79 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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