John Gottfried Mayer, MD
NPI 1194716985ActiveIndividual· Orthopaedic Surgery· Gurnee, IL
Orthopaedic Surgery (MD) in Gurnee, Illinois, with an NPI issued in November 2005. 85 Medicare patients in 2024, $18,031 paid; all of their 241 Part D prescriptions were generic.
Overview
| NPI | 1194716985 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Mar 11, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | — | IL |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 374 across 24 procedure codes |
| Paid by Medicare | $18,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 241 · 328 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $4,462 |
| Generic share | 100% of claims |
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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