Preston Wyatt Chadwick, M.D.
NPI 1689985830ActiveIndividual· Dermatology· Salem, OR
Dermatology (M.D.) with Dermatology Clinic PC, practicing in Salem, Oregon. Their prescriptions cost Medicare Part D more than their services did: $906,601 for 1,090 claims, against $337,568 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,768 in all, mostly food and beverage. Lists Salem Health West Valley and 1 other hospital as hospital affiliations.
Overview
| NPI | 1689985830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2010 |
| Last updated in NPPES | Sep 29, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD166983 | OR |
| Dermatology | 207N00000X | 25MA09197800 | NJ |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 667 |
|---|---|
| Services billed | 4,549 across 53 procedure codes |
| Paid by Medicare | $337,568 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,090 · 1,237 30-day fills |
|---|---|
| Patients | 514 |
| Total drug cost | $906,601 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Dermatology Clinic PCSalem, OR · 14 clinicians
Hospital affiliations
- Salem Health West ValleyDallas, OR
- Salem HospitalSalem, OR
Industry payments (Open Payments)
- 2025$1,768 · 76 payments from 16 companies
- 2024$2,208 · 119 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $514.69 | 24 |
| Lilly USA, LLC | $191.62 | 7 |
| Incyte Corporation | $181.85 | 11 |
| Organon LLC | $158.27 | 4 |
| Novartis Pharmaceuticals Corporation | $138.23 | 6 |
What the 2025 payments were for
- Food and Beverage$1,768 · 76 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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