Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Donovan Lee Tamkin
Counselor in Seattle, WA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104588342
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Registry record
Entity type Individual (Type 1)
Name Donovan Lee Tamkin
Sex Male
Practice address 2120 S Plum St, Seattle, WA, 98144
Phone (206) 203-5055
Enumeration date Oct 5, 2021
Last updated in NPPES Mar 17, 2025
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
What is the NPI number for Donovan Tamkin?
The National Provider Identifier (NPI) for Donovan Tamkin is 1104588342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donovan Tamkin practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-17.