Christopher J. Tookey, MD
NPI 1912439639ActiveIndividual· Family Medicine· Sparta, WI
Family Medicine (MD) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in Sparta, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $711,110 for 6,146 claims, against $72,997 paid for services in 2024. Lists Gundersen Lutheran Medical Center as a hospital affiliation.
Overview
| NPI | 1912439639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2017 |
| Last updated in NPPES | Aug 12, 2020 |
| Certified by provider | Aug 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 70220-20 | WI |
| Family Medicine | 207Q00000X | 207Q00000X | WI |
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 - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 3,220 across 109 procedure codes |
| Paid by Medicare | $72,997 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,146 · 11,174 30-day fills |
|---|---|
| Patients | 303 |
| Total drug cost | $711,110 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
Hospital affiliation
- Gundersen Lutheran Medical CenterLa Crosse, WI
Other facilities
- Hospice TouchHospice · Tomah, WI
- St Croix Hospice la CrosseHospice · La Crosse, WI
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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