Wendy Lynn Chapin, ARNP
NPI 1740616739ActiveIndividual· Nurse Practitioner, Family· Waterloo, IA
Nurse Practitioner, Family (ARNP) with Dermatology Associates PC, practicing in Waterloo, Iowa. 863 Medicare patients in 2024, $139,667 paid; nearly all of their 811 Part D prescriptions were generic (95%). Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $112.78 in all, mostly education.
Overview
| NPI | 1740616739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Sep 23, 2013 |
| Last updated in NPPES | Jul 19, 2022 |
| Certified by provider | Jul 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | A105053 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 863 |
|---|---|
| Services billed | 4,796 across 44 procedure codes |
| Paid by Medicare | $139,667 |
Part D prescriptions in 2024
| Prescriptions (claims) | 811 · 851 30-day fills |
|---|---|
| Patients | 355 |
| Total drug cost | $52,698 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Dermatology Associates PCWaterloo, IA · 5 clinicians
Industry payments (Open Payments)
- 2025$112.78 · 3 payments from 3 companies
- 2024$51.10 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $79.99 | 1 |
| Ucb, Inc. | $26.51 | 1 |
| Organon LLC | $6.28 | 1 |
What the 2025 payments were for
- Education$79.99 · 1 payment
- Food and Beverage$32.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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