Keoni Nguyen, D.O.
NPI 1831388198ActiveIndividual· Dermatology· Mason, OH
Dermatology (D.O.) in Mason, Ohio, trained at Kansas City University of Physicians and Surgeons (class of 2006). 575 Medicare patients in 2024, $765,522 paid; nearly all of their 1,771 Part D prescriptions were generic (96%). Kerecis Limited was the largest of 8 companies reporting payments in 2025, $1,974 in all, mostly travel and lodging.
Overview
| NPI | 1831388198 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 23, 2007 |
| Last updated in NPPES | Jan 22, 2025 |
| Certified by provider | Jan 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 34.010172 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 575 |
|---|---|
| Services billed | 6,574 across 97 procedure codes |
| Paid by Medicare | $765,522 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,771 · 1,966 30-day fills |
|---|---|
| Patients | 551 |
| Total drug cost | $336,172 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Kansas City University of Physicians and Surgeons |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Dermatology |
| Secondary specialties | Micrographic Dermatologic Surgery (Mds) |
Medical group
- Advanced Dermatology of Ohio, IncMason, OH · 3 clinicians
Industry payments (Open Payments)
- 2025$1,974 · 30 payments from 8 companies
- 2024$171.71 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kerecis Limited | $1,529 | 2 |
| Abbvie Inc. | $312.78 | 21 |
| E.R. Squibb & Sons, L.L.C. | $31.56 | 2 |
| Verrica Pharmaceuticals Inc. | $27.08 | 1 |
| Sun Pharmaceutical Industries Inc. | $22.53 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,529 · 2 payments
- Food and Beverage$445.27 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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