Gwyn Rene Londeree, M.D.
NPI 1225025067ActiveIndividual· Specialist· Columbus, OH
Specialist (M.D.) in Columbus, Ohio, trained at Ohio State University College of Medicine (class of 2001). 1,413 Medicare patients in 2024, $522,245 paid; nearly all of their 1,868 Part D prescriptions were generic (94%). Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $4,117 in all, mostly food and beverage.
Overview
| NPI | 1225025067 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 5, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 35-06-9165L | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,413 |
|---|---|
| Services billed | 9,371 across 74 procedure codes |
| Paid by Medicare | $522,245 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,868 · 2,303 30-day fills |
|---|---|
| Patients | 762 |
| Total drug cost | $272,856 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Dermatology |
Medical group
- Encore Dermatology IncColumbus, OH · 3 clinicians
Industry payments (Open Payments)
- 2025$4,117 · 241 payments from 21 companies
- 2024$4,404 · 238 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $786.99 | 48 |
| Janssen Biotech, Inc. | $486.34 | 25 |
| Sun Pharmaceutical Industries Inc. | $421.58 | 20 |
| Leo Pharma Inc. | $373.54 | 20 |
| Galderma Laboratories, L.P. | $297.51 | 21 |
What the 2025 payments were for
- Food and Beverage$4,117 · 241 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 206 Specialist providers in Columbus · All Specialist providers in Ohio