John J. Riordan, DC
NPI 1558490524ActiveIndividual· Chiropractor· Warrensburg, MO
Chiropractor (DC) in Warrensburg, Missouri, trained at Northwestern College of Chiropractic (class of 1993). Medicare paid $16,606 for services to 73 patients in 2024.
Overview
| NPI | 1558490524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DC |
| Sole proprietor | No |
| NPI issued | Mar 5, 2007 |
| Last updated in NPPES | Mar 1, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Chiropractor Primary | 111N00000X | 2008033989 | MO |
| Chiropractor | 111N00000X | 3042 | OR |
| Chiropractor | 111N00000X | 5137 | AZ |
| Chiropractor | 111N00000X | 991 | HI |
| Chiropractor | 111N00000X | 3070 | SC |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 671 across 2 procedure codes |
| Paid by Medicare | $16,606 |
Education and affiliations
| Medical school | Northwestern College of Chiropractic |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Chiropractic |
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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