Katherine Elizabeth Andrew, APNP
NPI 1225757842ActiveIndividual· Nurse Practitioner, Primary Care· Waukesha, WI
Nurse Practitioner, Primary Care (APNP) with Oak Medical SC, practicing in Waukesha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $228,001 for 3,605 claims, against $126,129 paid for services in 2024. Lists Watertown Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1225757842 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APNP |
| Sole proprietor | No |
| NPI issued | Aug 25, 2022 |
| Last updated in NPPES | Feb 7, 2023 |
| Certified by provider | Feb 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 13094-33 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 2,165 across 22 procedure codes |
| Paid by Medicare | $126,129 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,605 · 3,619 30-day fills |
|---|---|
| Patients | 271 |
| Total drug cost | $228,001 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Oak Medical SCLodi, WI · 123 clinicians
Hospital affiliation
- Watertown Memorial HospitalWatertown, WI
Other facilities
- Commonheart Home HealthHome health agency · Waukesha, WI
- Marquardt Memorial ManorNursing home · Watertown, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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