Katherine Rebecca Allen, NP
NPI 1831568013ActiveIndividual· Nurse Practitioner· Palo Alto, CA
Nurse Practitioner (NP) with Regents of the Univ of Ca, practicing in Palo Alto, California. Their prescriptions cost Medicare Part D more than their services did: $37,510 for 117 claims, against $9,022 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $93.74 in payments in 2025, mostly food and beverage. Lists University of California Davis Medical Center as a hospital affiliation.
Overview
| NPI | 1831568013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 17, 2015 |
| Last updated in NPPES | Jun 17, 2025 |
| Certified by provider | Jun 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95003135 | CA |
| Clinical Nurse Specialist | 364S00000X | 95003135 | CA |
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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 146 across 4 procedure codes |
| Paid by Medicare | $9,022 |
Part D prescriptions in 2024
| Prescriptions (claims) | 117 · 289 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $37,510 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
Hospital affiliation
- University of California Davis Medical CenterSacramento, CA
Industry payments (Open Payments)
- 2025$93.74 · 1 payment from 1 company
- 2024$22.27 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $93.74 | 1 |
What the 2025 payments were for
- Food and Beverage$93.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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