Anna Marie Sonstegard, MD
NPI 1902337298ActiveIndividual· Dermatology· Sioux Falls, SD
Dermatology (MD) with Sanford Medical Center, practicing in Sioux Falls, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $526,465 for 414 claims, against $20,939 paid for services in 2024. Lilly USA, LLC reported $124.66 in payments in 2025, mostly food and beverage. Lists Sanford Usd Medical Center as a hospital affiliation.
Overview
| NPI | 1902337298 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2017 |
| Last updated in NPPES | Sep 21, 2021 |
| Certified by provider | Sep 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 01013321 | 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 - Dermatology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 551 across 45 procedure codes |
| Paid by Medicare | $20,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 414 · 453 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $526,465 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Sanford Medical CenterSioux Falls, SD · 857 clinicians
Hospital affiliation
- Sanford Usd Medical CenterSioux Falls, SD
Industry payments (Open Payments)
- 2025$124.66 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $124.66 | 1 |
What the 2025 payments were for
- Food and Beverage$124.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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