Mark E. Fredrick, DC
NPI 1467478404ActiveIndividual· Chiropractor· Gurnee, IL
Chiropractor (DC) in Gurnee, Illinois, trained at National College of Chiropractic (class of 1983). Medicare paid $13,815 for services to 38 patients in 2024. International Rehabilitative Sciences, Inc reported $16.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1467478404 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DC |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Oct 6, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Chiropractor Primary | 111N00000X | 038005092 | 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 - Chiropractic (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 471 across 3 procedure codes |
| Paid by Medicare | $13,815 |
Education and affiliations
| Medical school | National College of Chiropractic |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Chiropractic |
Industry payments (Open Payments)
- 2025$16.37 · 1 payment from 1 company
- 2024$2,945 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| International Rehabilitative Sciences, Inc | $16.37 | 1 |
What the 2025 payments were for
- Food and Beverage$16.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 chiropractors in Gurnee · All chiropractors in Illinois