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Caitlen Elizabeth Despain, FNP-BC

Obstetrics & Gynecology Nurse Practitioner in Jacksonville, IL · enumerated 2017 · practices at Siu Physicians & Surgeons, Inc.

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

National Provider Identifier

1588186084

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Registry record

Entity type Individual (Type 1)
Name Caitlen Elizabeth Despain
Credential FNP-BC
Sex Female
Practice address 610 N Westgate Ave, Jacksonville, IL, 62650
Phone (217) 243-8455
Fax (217) 243-7951
Enumeration date Jul 17, 2017
Last updated in NPPES Oct 18, 2019

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209-016174 (IL) Primary

Other identifiers

Identifier Type State Issuer
209-016174 Other IL 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.

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Frequently asked questions

What is the NPI number for Caitlen Despain?
The National Provider Identifier (NPI) for Caitlen Despain is 1588186084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Caitlen Despain practice?
The practice location on file with NPPES is in Jacksonville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-18.