Mark Layne Turk, O.D.
NPI 1689645764ActiveIndividual· Optometrist· Boaz, AL
Optometrist (O.D.) in Boaz, Alabama, trained at University Alabama Birmingham - School of Optometry (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $100,884 for 386 claims, against $26,746 paid for services in 2024. Tarsus Pharmaceuticals, Inc. reported $59.42 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689645764 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Jun 5, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | S-861-TA-420 | AL |
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) | Enrolled Practitioner - Optometry (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 1,450 across 19 procedure codes |
| Paid by Medicare | $26,746 |
Part D prescriptions in 2024
| Prescriptions (claims) | 386 · 724 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $100,884 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | University Alabama Birmingham - School of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$59.42 · 3 payments from 1 company
- 2024$54.73 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $59.42 | 3 |
What the 2025 payments were for
- Food and Beverage$59.42 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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