Christopher J. Whalen, M.D.
NPI 1780070557ActiveIndividual· Orthopaedic Surgery· La Crosse, WI
Orthopaedic Surgery (M.D.) in La Crosse, Wisconsin, trained at Medical College of Wisconsin (class of 2015). 336 Medicare patients in 2024, $158,928 paid; all of their 342 Part D prescriptions were generic. Stryker Corporation reported $126.10 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780070557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2015 |
| Last updated in NPPES | Sep 17, 2021 |
| Certified by provider | Sep 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 65993-20 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Orthopedic Surgery (MN); Practitioner - Orthopedic Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 730 across 42 procedure codes |
| Paid by Medicare | $158,928 |
Part D prescriptions in 2024
| Prescriptions (claims) | 342 · 342 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $1,147 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
Hospital affiliations
- Crossing Rivers Health Medical CenterPrairie Du Chien, WI
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Mercyone Elkader Medical CenterElkader, IA
- Veterans Memorial HospitalWaukon, IA
- WinnmedDecorah, IA
Industry payments (Open Payments)
- 2025$126.10 · 1 payment from 1 company
- 2024$600.60 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $126.10 | 1 |
What the 2025 payments were for
- Food and Beverage$126.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 orthopedic surgeons in La Crosse · All orthopedic surgeons in Wisconsin