Mary Katherine Busch
NPI 1821787300ActiveIndividual· Nurse Practitioner· Tucson, AZ
Nurse Practitioner with Arizona Community Physicians PC, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $123,101 for 1,558 claims, against $47,187 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $484.54 in all, mostly food and beverage. Lists Northwest Medical Center as a hospital affiliation.
Overview
| NPI | 1821787300 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 2, 2023 |
| Last updated in NPPES | Jun 24, 2026 |
| Certified by provider | Jun 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 291060 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 1,113 across 71 procedure codes |
| Paid by Medicare | $47,187 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,558 · 2,788 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $123,101 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Arizona Community Physicians PCTucson, AZ · 161 clinicians
Hospital affiliation
- Northwest Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$484.54 · 32 payments from 11 companies
- 2024$990.20 · 55 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $154.86 | 13 |
| Lilly USA, LLC | $60.75 | 4 |
| Astellas Pharma US Inc | $58.03 | 3 |
| Amgen Inc. | $43.91 | 3 |
| Abbott Laboratories | $37.88 | 2 |
What the 2025 payments were for
- Food and Beverage$484.54 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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