Karen Marie Sadler, ARNP
NPI 1891396529ActiveIndividual· Nurse Practitioner· Waterloo, IA
Nurse Practitioner (ARNP) with Peoples Community Health Clinic, Inc., practicing in Waterloo, Iowa. 822 Medicare patients in 2024, $151,667 paid; nearly all of their 1,427 Part D prescriptions were generic (98%). Regeneron Healthcare Solutions, Inc. was the largest of 3 companies reporting payments in 2024, $80.42 in all, mostly food and beverage.
Overview
| NPI | 1891396529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Nov 9, 2020 |
| Last updated in NPPES | Feb 7, 2022 |
| Certified by provider | Feb 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | A161407 | IA |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 822 |
|---|---|
| Services billed | 4,203 across 47 procedure codes |
| Paid by Medicare | $151,667 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,427 · 1,846 30-day fills |
|---|---|
| Patients | 390 |
| Total drug cost | $27,565 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Peoples Community Health Clinic, Inc.Waterloo, IA · 28 clinicians
Industry payments (Open Payments)
- 2024$80.42 · 4 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $41.34 | 2 |
| Convatec Inc. | $25.47 | 1 |
| Genzyme Corporation | $13.61 | 1 |
What the 2024 payments were for
- Food and Beverage$80.42 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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