Catherine S. Castleberry, OD
NPI 1538253489ActiveIndividual· Optometrist· Denton, TX
Optometrist (OD) in Denton, Texas, trained at University of Houston - College of Optometry (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $29,259 for 106 claims, against $13,730 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 3 companies reporting payments in 2025, $278.67 in all, mostly food and beverage.
Overview
| NPI | 1538253489 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Jun 4, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 3870TG | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 102 |
|---|---|
| Services billed | 245 across 22 procedure codes |
| Paid by Medicare | $13,730 |
Part D prescriptions in 2024
| Prescriptions (claims) | 106 · 229 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $29,259 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | University of Houston - College of Optometry |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Optometry |
Medical group
- Catherine Spoo Castleberry Od PADenton, TX · 4 clinicians
Industry payments (Open Payments)
- 2025$278.67 · 4 payments from 3 companies
- 2024$141.28 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $121.82 | 1 |
| Dompe US, Inc. | $121.77 | 1 |
| Alcon Vision LLC | $35.08 | 2 |
What the 2025 payments were for
- Food and Beverage$278.67 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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