Alexandra Mathern, M.D.
NPI 1598149171ActiveIndividual· Obstetrics & Gynecology· Sioux Falls, SD
Obstetrics & Gynecology (M.D.) in Sioux Falls, South Dakota, trained at University of North Dakota School of Medicine (class of 2015). 100 Medicare patients in 2024, $14,724 paid; nearly all of their 76 Part D prescriptions were generic (92%). Astellas Pharma US Inc was the largest of 11 companies reporting payments in 2025, $510.87 in all, mostly food and beverage.
Overview
| NPI | 1598149171 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2015 |
| Last updated in NPPES | Sep 15, 2026 |
| Certified by provider | Sep 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036149401 | IL |
| Obstetrics & Gynecology, Obstetrics | 207VX0000X | 125.067768 | IL |
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 - Obstetrics/Gynecology (IL); Practitioner - Obstetrics/Gynecology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 100 |
|---|---|
| Services billed | 338 across 31 procedure codes |
| Paid by Medicare | $14,724 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 123 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $3,420 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Carle Health Methodist HospitalPeoria, IL
- Saint Francis Medical CenterPeoria, IL
Industry payments (Open Payments)
- 2025$510.87 · 25 payments from 11 companies
- 2024$396.63 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $134.01 | 6 |
| Sumitomo Pharma America, Inc. | $83.19 | 4 |
| Abbvie Inc. | $71.02 | 4 |
| Biogen, Inc. | $64.30 | 3 |
| Pfizer Inc. | $32.87 | 1 |
What the 2025 payments were for
- Food and Beverage$510.87 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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