Kathleen Guerrein, NP

Nurse Practitioner

GenderFemaleNPI1699819235Affiliated sites1

Affiliated Health Centers

Kathleen Guerrein is affiliated with 1 federally qualified health center location.

Affinia Healthcare 4414 N. Florissant

4414 N Florissant Ave, Saint Louis, MO 63107-1812

Medicare★ 3.8 Google (179)

View clinic →

Nurse Practitioners & PAs Services

Nurse practitioners and physician assistants delivering primary and specialty care — the backbone of FQHC clinical teams.

Primary care visits

Chronic disease management

Medication prescribing

Health screenings

Minor procedures

Care coordination

Telehealth services

Browse all Nurse Practitioners & PAs clinics →

Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Nurse Practitioner

Providing nurse practitioner services at federally qualified health centers with sliding fee scale options.

View services →

Affiliated Health Center

Affinia Healthcare 4414 N. Florissant

View quality scores & reviews →

Browse

All clinicians →Nurse Practitioner clinicians →Browse health centers →

Going to a Community Health Center?

These clinics charge based on what you earn, and are funded to serve people who cannot pay much.

Who can be seen here →What a visit costs →What to bring to your first visit →What is an FQHC? →

Kathleen Guerrein, NP

Affiliated Health Centers

Nurse Practitioners & PAs Services

Related Clinicians

Other Clinicians at These Health Centers

Other Nurse Practitioner Clinicians

Verify on NPI Registry

Nurse Practitioner

Affiliated Health Center

Browse

Going to a Community Health Center?