Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Louise Johnson, COTA/L

Occupational Therapy Assistant in Scottsdale, AZ · enumerated 2008 · practices at Therapy Home Health Services, Inc.

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

National Provider Identifier

1225287717

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Registry record

Entity type Individual (Type 1)

Name Louise Johnson

Credential COTA/L

Sex Female

Practice address 8115 E Indian Bend Rd, Suite 123, Scottsdale, AZ, 85250

Phone (480) 951-6451

Fax (480) 951-6464

Enumeration date Sep 9, 2008

Last updated in NPPES Sep 9, 2008

Taxonomy & licenses

224Z00000X Occupational Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1012 (AZ) 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

Where does Louise Johnson practice?

The practice location on file with NPPES is in Scottsdale, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Louise Johnson?

The National Provider Identifier (NPI) for Louise Johnson is 1225287717, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-09.