Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jennifer Gail St. John, RRT

Registered Respiratory Therapist in Phoenix, AZ · enumerated 2010.

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

National Provider Identifier

1518268945

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Registry record

Entity type Individual (Type 1)

Name Jennifer Gail St. John

Credential RRT

Sex Female

Practice address 4212 N 16th St, Phoenix, AZ, 85016

Phone (602) 263-1200

Enumeration date Nov 17, 2010

Last updated in NPPES Nov 17, 2010

Taxonomy & licenses

227900000X Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 00982 (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 Jennifer St. John practice?

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

What is the NPI number for Jennifer St. John?

The National Provider Identifier (NPI) for Jennifer St. John is 1518268945, 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 2010-11-17.