Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karriann Marie Longtin, APRN PMHNP CPNP-AC

Psychiatric/Mental Health Nurse Practitioner in Bourbonnais, IL · enumerated 2008.

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

National Provider Identifier

1629213624

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Registry record

Entity type Individual (Type 1)

Name Karriann Marie Longtin

Credential APRN PMHNP CPNP-AC

Sex Female

Practice address 1482 Northfield Meadows Blvd, Bourbonnais, IL, 60914

Phone (815) 592-3122

Enumeration date Dec 5, 2008

Last updated in NPPES Nov 6, 2023

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277.002464 (IL) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Karriann Longtin?

The National Provider Identifier (NPI) for Karriann Longtin is 1629213624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karriann Longtin practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-06.