GREGORY DOORNINK DO
NPI 1598343436
Physical Medicine & Rehabilitation in Spokane, WA
About Gregory Doornink Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY DOORNINK DO (NPI 1598343436) is an individual physical medicine & rehabilitation provider in Spokane, Washington, licensed in Washington (OP61434610) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp., and is a graduate of Pacific Nw Un Of Hs, Col Of Osteopathic Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregory Doornink Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Gregory Doornink reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 862 clinicians in this Medicare group
Spokane Valley, WA 99216
- Reassigned Medicare billing, Washington enrollment
Hermosa Beach, CA 90254
- Reassigned Medicare billing, Washington enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prov Sacred Hrt Med Ctr & Childs Hosp.
Acute Care Hospitals · Spokane, WAOther Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPOKANE, WA 99202
SPOKANE, WA 99202
SPOKANE, WA 99202
SPOKANE, WA 99202
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 Doornink's NPI number?
The NPI number for Gregory Doornink is 1598343436. It was assigned to this individual provider in the NPPES registry on March 31, 2021.
Where is Gregory Doornink located?
Gregory Doornink practices at 715 S Cowley St Ste 228, Spokane, WA 99202. The listed phone number is (509) 473-6706.
What is Gregory Doornink's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Gregory Doornink enrolled in Medicare?
Yes. Gregory Doornink is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Doornink's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Doornink reassigns Medicare benefits to 3 organizations: Providence Health & Services Washington (Spokane, WA), Cornerstone Physiatry, PLLC (Spokane Valley, WA) and Michael Decker, Do, Inc (Hermosa Beach, CA). Each 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 Doornink's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Doornink accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Gregory Doornink 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.
Is Gregory Doornink affiliated with any hospitals?
According to CMS data, Gregory Doornink is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp..
When was this NPI record last updated?
The NPPES record for Gregory Doornink was last updated on June 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.