Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dianne Masako Kosai-Lee
Pharmacist in Tukwila, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1295874675
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Registry record
Entity type Individual (Type 1)
Name Dianne Masako Kosai-Lee
Sex Female
Practice address 12400 E Marginal Way S, Tukwila, WA, 98168
Phone (206) 901-6510
Enumeration date Feb 5, 2007
Last updated in NPPES Jul 8, 2007
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 Dianne Kosai-Lee practice?
The practice location on file with NPPES is in Tukwila, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dianne Kosai-Lee?
The National Provider Identifier (NPI) for Dianne Kosai-Lee is 1295874675, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Shirley Reitz Pharmacotherapy Pharmacist · Tukwila, WA NPI 1548231756 Donald Lim Pharmacist · Tukwila, WA NPI 1316910151 Douglas Beeman Pharmacist · Tukwila, WA NPI 1124082656 Pooravi Gohil Pharmacist · Tukwila, WA NPI 1265445522 Mark Leveaux Psychiatry Physician · Tukwila, WA NPI 1740334572 Sharon Burks Pharmacist · Tukwila, WA NPI 1760528707 Shangyu Chan Pharmacist · Tukwila, WA NPI 1376689455 Karen Birmingham Pharmacotherapy Pharmacist · Tukwila, WA NPI 1528104395
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.