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

Katt Gillis Mayfair

Mental Health Counselor in Springfield, OR · enumerated 2006.

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

National Provider Identifier

1518055102

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Registry record

Entity type Individual (Type 1)
Name Katt Gillis Mayfair
Sex Male
Practice address Springfield, OR, 97478
Phone (541) 744-0394
Enumeration date Oct 10, 2006
Last updated in NPPES Jun 12, 2009

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary
171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

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 Katt Mayfair?
The National Provider Identifier (NPI) for Katt Mayfair is 1518055102, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katt Mayfair practice?
The practice location on file with NPPES is in Springfield, OR. 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 2009-06-12.