Mark S. Lang, MD
NPI 1952418402ActiveIndividual· Orthopaedic Surgery· Sheboygan, WI
Orthopaedic Surgery (MD) with Aurora Medical Group, Inc., practicing in Sheboygan, Wisconsin. 197 Medicare patients in 2024, $76,773 paid; nearly all of their 313 Part D prescriptions were generic (98%). Stryker Corporation reported $1,076 in payments in 2025, mostly travel and lodging. Lists Aurora Medical Center Sheboygan County as a hospital affiliation.
Overview
| NPI | 1952418402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2006 |
| Last updated in NPPES | Apr 7, 2025 |
| Certified by provider | Apr 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 39091 | 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 - Orthopedic Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 1,715 across 60 procedure codes |
| Paid by Medicare | $76,773 |
Part D prescriptions in 2024
| Prescriptions (claims) | 313 · 325 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $2,863 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliation
- Aurora Medical Center Sheboygan CountySheboygan, WI
Other facilities
- Aurora at HomeHome health agency · Green Bay, WI
Industry payments (Open Payments)
- 2025$1,076 · 11 payments from 1 company
- 2024$701.60 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,076 | 11 |
What the 2025 payments were for
- Travel and Lodging$587.30 · 1 payment
- Food and Beverage$489.15 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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