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GREGORY WILLARD DC
NPI 1710372073
Chiropractor in Portland, OR

Active since April 03, 2015
700 N HAYDEN ISLAND DR STE 335, PORTLAND, OR 97217(503) 206-6775(503) 206-8610 Get Directions Write a Review

NPPES record last updated: November 3, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gregory Willard Dc NPPES

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

GREGORY WILLARD DC (NPI 1710372073) is an individual chiropractor in Portland, Oregon, licensed in Washington (CH60542330) and active in the NPI registry since April 2015. He maintains a secondary practice location in Vancouver.

NPPES Registry Identity

NPI1710372073
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameGREGORY WILLARDCredential: DC
Location Address700 N HAYDEN ISLAND DR STE 335Portland, OR 97217-8185
Mailing Address700 N Hayden Island Dr Ste 335Portland, OR 97217-8185 · (503) 206-6775 · Fax (503) 206-8610
Phone(503) 206-6775
Fax(503) 206-8610
Sole ProprietorNo
Enumeration DateApril 3, 2015
Last NPPES UpdateNovember 3, 2017
✔ NPI 1710372073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WA · CH60542330
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.
700 N HAYDEN ISLAND DR STE 335, Portland, OR 97217
Open in Google Maps ↗

Secondary Practice Location 1

Location 116500 SE 15th St, Suite 160Vancouver, WA 98683-9665 · Phone (360) 718-7944 · Fax (360) 718-7931

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Willard Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Gregory Willard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hayden Island Chiropractic Pain & Injury Center LLC
Same address
Chiropractor
700 N HAYDEN ISLAND DR STE 335
Portland, OR 97217
  • Reassigned Medicare billing, Oregon enrollment
NPI 1467966762 (503) 206-6775

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

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HAYDEN ISLAND CHIROPRACTIC PAIN & INJURY CENTER LLC
Chiropractor
700 N HAYDEN ISLAND DR STE 335
PORTLAND, OR 97217
Multnomah County (503) 206-6775

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 Gregory Willard's NPI number?

The NPI number for Gregory Willard is 1710372073. It was assigned to this individual provider in the NPPES registry on April 3, 2015.

Where is Gregory Willard located?

Gregory Willard practices at 700 N Hayden Island Dr Ste 335, Portland, OR 97217. The listed phone number is (503) 206-6775.

What is Gregory Willard's specialty?

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

Is Gregory Willard enrolled in Medicare?

Yes. Gregory Willard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Willard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Willard reassigns Medicare benefits to Hayden Island Chiropractic Pain & Injury Center LLC (Portland, OR). The 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 Gregory Willard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Willard was last updated on November 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.