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

Mr. Stephen Castle II, PTA

Physical Therapy Assistant in Titusville, FL · enumerated 2021.

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

National Provider Identifier

1316536972

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Registry record

Entity type Individual (Type 1)

Name Mr. Stephen Castle II

Credential PTA

Sex Male

Practice address Titusville, FL, 32796

Phone (321) 269-2200

Enumeration date Jan 18, 2021

Last updated in NPPES Jan 18, 2021

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

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PTA27812 (FL) Primary

Other identifiers

Identifier	Type	State	Issuer
225200000X	Other	FL	PTA

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 is the NPI number for Stephen Castle?

The National Provider Identifier (NPI) for Stephen Castle is 1316536972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Castle practice?

The practice location on file with NPPES is in Titusville, FL. 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 2021-01-18.