Bryan Hartland Lassner, M.D.
NPI 1871859884ActiveIndividual· Emergency Medicine· Beaver Dam, WI
Emergency Medicine (M.D.) with Ihc Beaver Dam Emergency Physicians, LLC, practicing in Beaver Dam, Wisconsin. 212 Medicare patients in 2024, $25,033 paid; nearly all of their 226 Part D prescriptions were generic (92%). Lists Marshfield Medical Center - Beaver Dam (Mmc-Bd) as a hospital affiliation.
Overview
| NPI | 1871859884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2012 |
| Last updated in NPPES | Jul 3, 2025 |
| Certified by provider | Jul 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 75454-20 | WI |
| Emergency Medicine | 207P00000X | 336098920 | IL |
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 (IL); Practitioner - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 324 across 25 procedure codes |
| Paid by Medicare | $25,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 226 · 229 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $3,944 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Ihc Beaver Dam Emergency Physicians, LLCBeaver Dam, WI · 22 clinicians
Hospital affiliation
- Marshfield Medical Center - Beaver Dam (Mmc-Bd)Beaver Dam, 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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