John Alan Warren, D.C.
NPI 1528169091ActiveIndividual· Chiropractor· Fountain Valley, CA
Chiropractor (D.C.) in Fountain Valley, California, trained at Los Angeles College of Chiropractic (class of 1992). Medicare paid $23,157 for services to 71 patients in 2024.
Overview
| NPI | 1528169091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.C. |
| Sole proprietor | No |
| NPI issued | Sep 26, 2006 |
| Last updated in NPPES | Aug 20, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Chiropractor Primary | 111N00000X | DC22886 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 760 across 1 procedure code |
| Paid by Medicare | $23,157 |
Education and affiliations
| Medical school | Los Angeles College of Chiropractic |
|---|---|
| Graduation year | 1992 |
| 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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