John Joseph Flaherty Jr., M.D., MPH
NPI 1528143807ActiveIndividual· Emergency Medicine· La Crosse, WI
Emergency Medicine (M.D., MPH) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in La Crosse, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $12,174 for 17 claims, against $2,695 paid for services in 2024. Janssen Pharmaceuticals, Inc reported $17.34 in payments in 2024, mostly food and beverage. Lists Gundersen Lutheran Medical Center as a hospital affiliation.
Overview
| NPI | 1528143807 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., MPH |
| Sole proprietor | No |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Apr 3, 2026 |
| Certified by provider | Apr 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 86972 | WI |
| General Practice | 208D00000X | MD2022-1413 | NM |
| Emergency Medicine | 207P00000X | 036064476 | IL |
| Emergency Medicine | 207P00000X | 81701 | MN |
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 - Emergency Medicine (IA); Practitioner - Emergency Medicine (IL); Practitioner - Emergency Medicine (MN); Practitioner - Emergency Medicine (NM); Practitioner - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 31 across 5 procedure codes |
| Paid by Medicare | $2,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 21 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $12,174 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Internal Medicine, Pediatric Medicine |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Fedko Emergency Physicians New Mexico, LLCGrants, NM · 54 clinicians
Hospital affiliation
- Gundersen Lutheran Medical CenterLa Crosse, WI
Industry payments (Open Payments)
- 2024$17.34 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $17.34 | 1 |
What the 2024 payments were for
- Food and Beverage$17.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 emergency medicine physicians in La Crosse · All emergency medicine physicians in Wisconsin