Marcia Ladawn Warren, OD
NPI 1669552998ActiveIndividual· Optometrist· Mustang, OK
Optometrist (OD) in Mustang, Oklahoma, licensed in OK, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $28,315 for 116 claims, against $15,532 paid for services in 2024. Coopervision Inc. was the largest of 2 companies reporting payments in 2025, $33.63 in all, mostly food and beverage.
Overview
| NPI | 1669552998 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Oct 18, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OK2353 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 228 across 9 procedure codes |
| Paid by Medicare | $15,532 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 161 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $28,315 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$33.63 · 2 payments from 2 companies
- 2024$35.32 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $18.09 | 1 |
| Sun Pharmaceutical Industries Inc. | $15.54 | 1 |
What the 2025 payments were for
- Food and Beverage$33.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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