Quick answers
- Where does Christopher D. Tollenaar see patients?
- Medicare's clinician data lists 1 practice location in Tigard, OR. Call before your visit to confirm the address.
- What is Christopher D. Tollenaar's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Christopher D. Tollenaar accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher D. Tollenaar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Christopher D. Tollenaar?
- (503) 639-0778, as listed in official Medicare / NPI Registry data.
- What is Christopher D. Tollenaar's NPI number?
- 1164463295. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Christopher D. Tollenaar is enrolled with Medicare (CMS data updated 2026-10-02).
- 11565 SW Durham Rd, Suite 110Tigard, OR 97224 (503) 639‑0778
Group practices
Medicare enrollment lists Christopher D. Tollenaar as a member of this group (CMS data updated 2026-10-02).
- Cornerstone Chiropractic LLC3 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Tigard
Clinicians with the same Medicare primary specialty in Tigard, OR — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Medical school | Western States College Of Chiropractic |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164463295 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians