Mark Alan Dalton, O.D.
NPI 1942291547ActiveIndividual· Optometrist· Sullivan, MO
Optometrist (O.D.) in Sullivan, Missouri, trained at University of Missouri St Louis - School of Optometry (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $19,110 for 240 claims, against $1,851 paid for services in 2024.
Overview
| NPI | 1942291547 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2002015836 | MO |
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 Practitioner - Optometry (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 31 across 5 procedure codes |
| Paid by Medicare | $1,851 |
Part D prescriptions in 2024
| Prescriptions (claims) | 240 · 281 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $19,110 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | University of Missouri St Louis - School of Optometry |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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