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

Mrs. Cathy Lerman Joseph, OTR

Specialist in Scottsdale, AZ · enumerated 2007 · practices at Therapy Home Health Services, Inc.

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

National Provider Identifier

1821140674

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Registry record

Entity type Individual (Type 1)

Name Mrs. Cathy Lerman Joseph

Credential OTR

Sex Female

Practice address Scottsdale, AZ, 85250

Phone (480) 951-6451

Fax (480) 951-6464

Enumeration date Jan 18, 2007

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 1820 (AZ) Primary

Other identifiers

Identifier	Type	State	Issuer
1820	Other	AZ	OT STATE LICENSE #

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Cathy Joseph?

Cathy Joseph is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.