NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Tim Gerstmar, ND

Naturopath in Redmond, WA · enumerated 2009 · practices at Radiant Naturopathic Pllc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124265210

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Registry record

Entity type Individual (Type 1)
Name Dr. Tim Gerstmar
Credential ND
Sex Male
Practice address Redmond, WA, 98052
Phone (425) 483-6663
Enumeration date Jan 12, 2009
Last updated in NPPES Mar 3, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

175F00000X Naturopath Other Service Providers · License NT 60062476 (WA) Primary

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.

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Frequently asked questions

What is the NPI number for Tim Gerstmar?
The National Provider Identifier (NPI) for Tim Gerstmar is 1124265210, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tim Gerstmar practice?
The practice location on file with NPPES is in Redmond, WA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-03.