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MASON M. GREENSLADE D.C.
NPI 1366865388
Chiropractor in Seattle, WA

Active since January 27, 2014
928 NW LEARY WAY, SUITE 203, SEATTLE, WA 98107(425) 387-7215 Get Directions Write a Review

NPPES record last updated: January 15, 2020. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mason M. Greenslade D.c. NPPES

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

MASON M. GREENSLADE D.C. (NPI 1366865388) is an individual chiropractor in Seattle, Washington, licensed in Washington (60431420) and active in the NPI registry since January 2014. He maintains a secondary practice location in Stanwood.

NPPES Registry Identity

NPI1366865388
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameMASON M. GREENSLADECredential: D.C.
Location Address928 NW LEARY WAY, SUITE 203Seattle, WA 98107
Mailing Address928 Nw Leary Way, Suite 203Seattle, WA 98107 · (425) 387-7215
Phone(425) 387-7215
Sole ProprietorNo
Enumeration DateJanuary 27, 2014
Last NPPES UpdateJanuary 15, 2020
✔ NPI 1366865388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WA · 60431420
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.
928 NW LEARY WAY, Seattle, WA 98107
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Secondary Practice Location 1

Location 127514 82nd Dr NWStanwood, WA 98292-9564 · Phone (425) 387-7215

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Other Providers at the Same Location NPPES

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

MG CHIROPRACTIC LLC
Chiropractor
928 NW LEARY WAY, SUITE 203
SEATTLE, WA 98107
King County (425) 387-7215

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 Mason Greenslade's NPI number?

The NPI number for Mason Greenslade is 1366865388. It was assigned to this individual provider in the NPPES registry on January 27, 2014.

Where is Mason Greenslade located?

Mason Greenslade practices at 928 NW Leary Way Suite 203, Seattle, WA 98107. The listed phone number is (425) 387-7215.

What is Mason Greenslade's specialty?

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

What insurance does Mason Greenslade accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mason Greenslade 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 Mason Greenslade was last updated on January 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.