Alexandra Ernst, MD, MPH
NPI 1144845900ActiveIndividual· Orthopaedic Surgery· Milwaukee, WI
Orthopaedic Surgery (MD, MPH) in Milwaukee, Wisconsin, trained at Emory University School of Medicine (class of 2020). Part D covered 31 prescriptions written in 2024, 100% of them generic. Stryker Corporation was the largest of 7 companies reporting payments in 2025, $2,738 in all, mostly food and beverage.
Overview
| NPI | 1144845900 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | No |
| NPI issued | Jun 8, 2020 |
| Last updated in NPPES | Sep 30, 2026 |
| Certified by provider | Sep 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 87965-020 | WI |
| Orthopaedic Surgery | 207X00000X | A204267 | CA |
| Orthopaedic Surgery, Foot and Ankle Surgery | 207XX0004X | A204267 | 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 - Orthopedic Surgery (CA); Practitioner - Orthopedic Surgery (NV) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 33 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $127.24 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
- Reno Orthopaedic Clinic LtdReno, NV · 98 clinicians
Hospital affiliations
- Renown Regional Medical CenterReno, NV
- University of California Davis Medical CenterSacramento, CA
Industry payments (Open Payments)
- 2025$2,738 · 29 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,385 | 16 |
| Goode Surgical Inc | $1,031 | 8 |
| Depuy Synthes Sales Inc. | $100.12 | 1 |
| Biomarin Pharmaceutical Inc. | $99.96 | 1 |
| Bioventus LLC | $81.38 | 1 |
What the 2025 payments were for
- Food and Beverage$1,482 · 22 payments
- Travel and Lodging$1,256 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 orthopedic surgeons in Milwaukee · All orthopedic surgeons in Wisconsin