David Brennen Throneburg, OD
NPI 1144211483ActiveIndividual· Optometrist· Southern Pines, NC
Optometrist (OD) in Southern Pines, North Carolina, trained at Pacific University - College of Optometry (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $466,401 for 2,483 claims, against $235,604 paid for services in 2024. Alcon Vision LLC was the largest of 5 companies reporting payments in 2025, $401.10 in all, mostly food and beverage.
Overview
| NPI | 1144211483 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Dec 20, 2023 |
| Certified by provider | Dec 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 1693 | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,768 |
|---|---|
| Services billed | 4,165 across 31 procedure codes |
| Paid by Medicare | $235,604 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,483 · 4,774 30-day fills |
|---|---|
| Patients | 713 |
| Total drug cost | $466,401 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Pacific University - College of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- Carolina Eye Associates IncRockingham, NC · 39 clinicians
Industry payments (Open Payments)
- 2025$401.10 · 9 payments from 5 companies
- 2024$278.20 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $331.77 | 5 |
| Amgen Inc. | $20.41 | 1 |
| Biotissue Holdings Inc. | $18.15 | 1 |
| Thea Pharma Inc. | $15.48 | 1 |
| Abbvie Inc. | $15.29 | 1 |
What the 2025 payments were for
- Food and Beverage$401.10 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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