Katheryn Warren, M.D.
NPI 1265549380ActiveIndividual· Plastic Surgery· Newark, DE
Plastic Surgery (M.D.) in Newark, Delaware, trained at University of Connecticut School of Medicine (class of 1989). Mostly services rather than prescriptions: Medicare paid $32,357 for 87 patients in 2024, with only 41 Part D claims. Mentor Worldwide LLC was the largest of 2 companies reporting payments in 2025, $54.80 in all, mostly food and beverage.
Overview
| NPI | 1265549380 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | May 4, 2023 |
| Certified by provider | May 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Plastic Surgery Primary | 208200000X | C10004472 | DE |
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 - Plastic and Reconstructive Surgery (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 187 across 40 procedure codes |
| Paid by Medicare | $32,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 43 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $168.71 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Plastic And Reconstructive Surgery |
Hospital affiliation
- Christiana HospitalNewark, DE
Industry payments (Open Payments)
- 2025$54.80 · 2 payments from 2 companies
- 2024$40.09 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mentor Worldwide LLC | $37.69 | 1 |
| Solventum Corporation | $17.11 | 1 |
What the 2025 payments were for
- Food and Beverage$54.80 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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