Katherine Ann Trettin
NPI 1114668126ActiveIndividual· Dermatology· Jackson, MS
Dermatology in Jackson, Mississippi, licensed in LA, with an NPI issued in April 2022. Part D covered 475 prescriptions written in 2024, 90% of them generic. Galderma Laboratories, L.P. was the largest of 7 companies reporting payments in 2025, $701.49 in all, mostly food and beverage. Lists Ochsner Lsu Health Shreveport as a hospital affiliation.
Overview
| NPI | 1114668126 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 5, 2022 |
| Last updated in NPPES | Jun 30, 2026 |
| Certified by provider | Jun 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 351182 | LA |
| Internal Medicine | 207R00000X | 351182 | LA |
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 - Dermatology (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 475 · 535 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $313,969 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Dermatology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Ochsner Lsu Health ShreveportShreveport, LA
Industry payments (Open Payments)
- 2025$701.49 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $218.21 | 2 |
| Medtronic, Inc. | $144.96 | 1 |
| Incyte Corporation | $124.36 | 1 |
| Novartis Pharmaceuticals Corporation | $108.94 | 1 |
| Mallinckrodt Hospital Products Inc. | $51.80 | 2 |
What the 2025 payments were for
- Food and Beverage$701.49 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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