Ian J. Stock, DO
NPI 1326544537ActiveIndividual· Family Medicine· Decorah, IA
Family Medicine (DO) in Decorah, Iowa, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $156,363 for 2,464 claims, against $94,612 paid for services in 2024.
Overview
| NPI | 1326544537 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 5, 2018 |
| Last updated in NPPES | Feb 14, 2023 |
| Certified by provider | Feb 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | DO-05825 | IA |
| Family Medicine | 207Q00000X | 71783 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | WI |
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 - Family Practice (IA); Practitioner - Family Practice (MN); Practitioner - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 500 |
|---|---|
| Services billed | 4,789 across 157 procedure codes |
| Paid by Medicare | $94,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,464 · 3,505 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $156,363 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
- Gundersen Regional Clinics, LLCDecorah, IA · 53 clinicians
Hospital affiliations
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen Palmer Lutheran Hospital and ClinicsWest Union, IA
- Regional Health Services of Howard CountyCresco, IA
- Veterans Memorial HospitalWaukon, IA
- WinnmedDecorah, IA
Other facilities
- Winnmed Home HealthHome health agency · Decorah, IA
- Howard County Community HospiceHospice · Cresco, IA
- St Croix HospiceHospice · Strawberry Point, IA
- Winnmed HospiceHospice · Decorah, IA
- Northgate Care CenterNursing home · Waukon, IA
- Wellington PlaceNursing home · Decorah, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 family medicine physicians in Decorah · All family medicine physicians in Iowa