1. Home
  2. Directory
  3. Oregon
  4. Tigard
  5. Chiropractor
  6. NPI Profile

CORNERSTONE CHIROPRACTIC, LLC
NPI 1881876704
Chiropractor in Tigard, OR

Active since December 03, 2007
11565 SW DURHAM RD, SUITE 110, TIGARD, OR 97224(503) 639-0778(503) 639-0815 Get Directions Write a Review

NPPES record last updated: May 16, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cornerstone Chiropractic, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNERSTONE CHIROPRACTIC, LLC (NPI 1881876704) is a healthcare organization registered as a chiropractor in Tigard, Oregon and active in the NPI registry since December 2007. The organization lists Christopher Drake Tollenaar, Chiropractor, Owner, as its authorized official.

NPPES Registry Identity

NPI1881876704
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameCORNERSTONE CHIROPRACTIC, LLC
Location Address11565 SW DURHAM RD, SUITE 110Tigard, OR 97224-3553
Mailing Address11565 Sw Durham Rd, Suite 110Tigard, OR 97224-3553 · (503) 639-0778 · Fax (503) 639-0815
Phone(503) 639-0778
Fax(503) 639-0815
Organization SubpartNo
Authorized OfficialChristopher Drake TollenaarChiropractor, Owner · (503) 639-0778
Enumeration DateDecember 3, 2007
Last NPPES UpdateMay 16, 2011
✔ NPI 1881876704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in OR · 27 2904
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
11565 SW DURHAM RD, Tigard, OR 97224
Open in Google Maps ↗

Other Identifiers 1

Medicare PINR110227OR

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Regence BlueCross BlueShield of Oregon.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornerstone Chiropractic, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Cornerstone Chiropractic, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Nathan Cokeley, D.C.
Chiropractic
NPI 1073841003
11545 SW DURHAM RD STE B9
Tigard, OR 97224
(503) 639-0778
✔ Accepts MedicareSame address
Christopher Tollenaar, DC
Chiropractic
NPI 1164463295
11545 SW DURHAM RD SUITE B 9
Tigard, OR 97224
(503) 639-0778
✔ Accepts Medicare0.1 mi
Andrew Fairrington, DC
Chiropractic
NPI 1427651546
3595 NW BUCKLIN HILL RD
Silverdale, WA 98383
(360) 698-3140
155 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cornerstone Chiropractic, LLC's NPI number?

The NPI number for Cornerstone Chiropractic, LLC is 1881876704. It was assigned to this organization in the NPPES registry on December 3, 2007.

Where is Cornerstone Chiropractic, LLC located?

Cornerstone Chiropractic, LLC is located at 11565 SW Durham Rd Suite 110, Tigard, OR 97224. The listed phone number is (503) 639-0778.

What is Cornerstone Chiropractic, LLC's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Cornerstone Chiropractic, LLC enrolled in Medicare?

Yes. Cornerstone Chiropractic, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cornerstone Chiropractic, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Chiropractic, reassign their Medicare billing to Cornerstone Chiropractic, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cornerstone Chiropractic, LLC accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc. and Regence BlueCross BlueShield of Oregon list Cornerstone Chiropractic, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cornerstone Chiropractic, LLC was last updated on May 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.