David Charles Irwin Feser
NPI 1801534144ActiveIndividual· Nurse Practitioner· Dublin, OH
Nurse Practitioner with Dermatologists of Southwestern Ohio, LLC and 1 other group, practicing in Dublin, Ohio. 396 Medicare patients in 2024, $70,419 paid; nearly all of their 386 Part D prescriptions were generic (95%). Galderma Laboratories, L.P. was the largest of 21 companies reporting payments in 2025, $2,234 in all, mostly food and beverage.
Overview
| NPI | 1801534144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 26, 2022 |
| Last updated in NPPES | Jan 26, 2026 |
| Certified by provider | Jan 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | APRN.CNP.0040998 | OH |
| Nurse Practitioner, Family | 363LF0000X | 31235 | TN |
| Nurse Practitioner, Primary Care | 363LP2300X | 31235 | TN |
| Nurse Practitioner | 363L00000X | 71015172A | IN |
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 - Nurse Practitioner (IN); Practitioner - Nurse Practitioner (OH); Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 396 |
|---|---|
| Services billed | 4,442 across 65 procedure codes |
| Paid by Medicare | $70,419 |
Part D prescriptions in 2024
| Prescriptions (claims) | 386 · 421 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $66,432 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Dermatologists of Southwestern Ohio, LLCNew Albany, OH · 116 clinicians
- University Dermatology Center PCConnersville, IN · 12 clinicians
Industry payments (Open Payments)
- 2025$2,234 · 113 payments from 21 companies
- 2024$1,326 · 50 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $440.65 | 16 |
| Abbvie Inc. | $356.73 | 22 |
| Novartis Pharmaceuticals Corporation | $261.80 | 20 |
| Janssen Biotech, Inc. | $231.42 | 19 |
| E.R. Squibb & Sons, L.L.C. | $193.49 | 5 |
What the 2025 payments were for
- Food and Beverage$2,234 · 113 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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