Katherine Snodgrass Martin, M.D.
NPI 1598296113ActiveIndividual· Dermatology· Chapel Hill, NC
Dermatology (M.D.) in Chapel Hill, North Carolina, trained at Texas Tech University Health Science Center School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $190,389 for 734 claims, against $72,291 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 22 companies reporting payments in 2025, $2,633 in all, mostly food and beverage.
Overview
| NPI | 1598296113 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2017 |
| Last updated in NPPES | Jun 23, 2023 |
| Certified by provider | Jun 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 2021-00738 | NC |
| Dermatology | 207N00000X | U3590 | 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 - Dermatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 379 |
|---|---|
| Services billed | 1,608 across 43 procedure codes |
| Paid by Medicare | $72,291 |
Part D prescriptions in 2024
| Prescriptions (claims) | 734 · 823 30-day fills |
|---|---|
| Patients | 299 |
| Total drug cost | $190,389 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Dermatology |
Medical group
- Michael Sonabend MD PAHouston, TX · 28 clinicians
Industry payments (Open Payments)
- 2025$2,633 · 142 payments from 22 companies
- 2024$2,625 · 125 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $359.65 | 26 |
| Galderma Laboratories, L.P. | $345.61 | 24 |
| Abbvie Inc. | $332.31 | 19 |
| Genzyme Corporation | $298.71 | 11 |
| Lilly USA, LLC | $185.60 | 10 |
What the 2025 payments were for
- Food and Beverage$2,453 · 140 payments
- Education$179.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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