Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Brett Markey
Behavior Analyst in Kirkland, WA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801256441
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Registry record
Entity type Individual (Type 1)
Name Brett Markey
Sex Male
Practice address 12040 98th Ave Ne, Ste 204, Kirkland, WA, 98034
Phone (425) 658-3016
Enumeration date Feb 24, 2016
Last updated in NPPES Feb 24, 2016
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Brett Markey practice?
The practice location on file with NPPES is in Kirkland, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Brett Markey?
The National Provider Identifier (NPI) for Brett Markey is 1801256441, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → David Rogers Chiropractor · Kirkland, WA NPI 1679662985 Jason Ablett Chiropractor · Kirkland, WA NPI 1285713339 Natalia Rogers Massage Therapist · Kirkland, WA NPI 1285774984 Neena Gabrielle Optometrist · Kirkland, WA NPI 1538295670 Penny Kunz Massage Therapist · Kirkland, WA NPI 1417074584 Karen Tabler Massage Therapist · Kirkland, WA NPI 1568686525 James Kidwell Behavior Analyst · Kirkland, WA NPI 1700210804 Elizabeth Bacon Counselor · Kirkland, WA NPI 1104251503
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-24.