Mary E. Meierhenry, MD
NPI 1013965466ActiveIndividual· Obstetrics & Gynecology· Sioux Falls, SD
Obstetrics & Gynecology (MD) in Sioux Falls, South Dakota, trained at Sanford School of Medicine of University of South Dakota (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $3,602 for 92 claims, against $2,100 paid for services in 2024. Astellas Pharma US Inc was the largest of 3 companies reporting payments in 2025, $80.16 in all, mostly food and beverage.
Overview
| NPI | 1013965466 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Feb 21, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 4617 | SD |
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 (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 42 across 10 procedure codes |
| Paid by Medicare | $2,100 |
Part D prescriptions in 2024
| Prescriptions (claims) | 92 · 200 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $3,602 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Sanford School of Medicine of University of South Dakota |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliation
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
Industry payments (Open Payments)
- 2025$80.16 · 4 payments from 3 companies
- 2024$119.64 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $41.71 | 2 |
| Hologic Sales and Service, LLC | $24.15 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $14.30 | 1 |
What the 2025 payments were for
- Food and Beverage$80.16 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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