Alex James Linn, M.D.
NPI 1003177338ActiveIndividual· Psychiatry & Neurology, Vascular Neurology· Sioux Falls, SD
Psychiatry & Neurology, Vascular Neurology (M.D.) with Avera McKennan, practicing in Sioux Falls, South Dakota. Mostly services rather than prescriptions: Medicare paid $116,170 for 110 patients in 2024, with only 34 Part D claims. Siemens Medical Solutions USA, Inc. was the largest of 4 companies reporting payments in 2025, $428.16 in all, mostly food and beverage. Lists Avera McKennan Hospital & University Health Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003177338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2012 |
| Last updated in NPPES | May 6, 2026 |
| Certified by provider | May 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Vascular Neurology Primary | 2084V0102X | 11423 | SD |
| Psychiatry & Neurology, Neurology | 2084N0400X | 11423 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 753 across 47 procedure codes |
| Paid by Medicare | $116,170 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 62 30-day fills |
|---|---|
| Total drug cost | $9,972 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Neurology |
Medical group
- Avera McKennanSioux Falls, SD · 959 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera St Mary's HospitalPierre, SD
Industry payments (Open Payments)
- 2025$428.16 · 5 payments from 4 companies
- 2024$93.74 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $360.47 | 2 |
| Abbott Laboratories | $24.42 | 1 |
| Philips North America LLC | $23.75 | 1 |
| Cordis US Corp. | $19.52 | 1 |
What the 2025 payments were for
- Food and Beverage$257.94 · 4 payments
- Travel and Lodging$170.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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