Mark Alan Ralph, DMD
NPI 1851480628ActiveIndividual· Dentist, General Practice· Evansville, IN
Opted out of Medicare from November 2015 to November 2027. Dentist, General Practice (DMD) in Evansville, Indiana, licensed in IN and AL, with an NPI issued in October 2006. Colgate Oral Pharmaceuticals, Inc. reported $91.77 in payments in 2025, mostly education.
Overview
| NPI | 1851480628 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 12012871A | IN |
| Dentist | 122300000X | 4813 | AL |
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 |
|---|---|
| Opt-out | Opted out Nov 12, 2015 – Nov 12, 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.
Industry payments (Open Payments)
- 2025$91.77 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Colgate Oral Pharmaceuticals, Inc. | $91.77 | 2 |
What the 2025 payments were for
- Education$91.77 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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