Michelle Busching, PA-C
NPI 1720598808ActiveIndividual· Physician Assistant· La Jolla, CA
Physician Assistant (PA-C) with Regents of the University of California, practicing in La Jolla, California. Their prescriptions cost Medicare Part D more than their services did: $651,149 for 410 claims, against $2,889 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $314.84 in all, mostly food and beverage. Lists Uc San Diego Health Hillcrest - Hillcrest Med Ctr as a hospital affiliation.
Overview
| NPI | 1720598808 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 3, 2017 |
| Last updated in NPPES | Nov 21, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 54908 | CA |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 40 across 10 procedure codes |
| Paid by Medicare | $2,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 410 · 727 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $651,149 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$314.84 · 5 payments from 2 companies
- 2024$775.99 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $227.39 | 2 |
| Tempus Ai, Inc | $87.45 | 3 |
What the 2025 payments were for
- Food and Beverage$314.84 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 149 physician assistants in La Jolla · All physician assistants in California