Christopher Drake Tollenaar, DC
NPI 1164463295ActiveIndividual· Chiropractor· Tigard, OR
Chiropractor (DC) in Tigard, Oregon, trained at Western States College of Chiropractic (class of 1993). Medicare paid $18,881 for services to 78 patients in 2024.
Overview
| NPI | 1164463295 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DC |
| Sole proprietor | Yes |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Sep 21, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Chiropractor Primary | 111N00000X | Z904 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 653 across 3 procedure codes |
| Paid by Medicare | $18,881 |
Education and affiliations
| Medical school | Western States College of Chiropractic |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Chiropractic |
Medical group
- Cornerstone Chiropractic LLCTigard, OR · 3 clinicians
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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All 81 chiropractors in Tigard · All chiropractors in Oregon