Mary Kay Esswein, CPNP, MSN

Pediatric NP

GenderFemaleNPI1588819098Affiliated sites1

Affiliated Health Centers

Mary Kay Esswein is affiliated with 1 federally qualified health center location.

St. Joseph Neighborhood Health - Pediatric Health

363 S Main St STE 310, Orange, CA 92868-3818

View clinic →

Pediatrics Services

Well-child visits, immunizations, and developmental care from newborns through age 18 on a sliding fee scale.

Well-child visits

Childhood immunizations

Developmental screenings

School physicals

ADHD management

Asthma care

Childhood illness treatment

Browse all Pediatrics 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

Pediatric NP

Providing pediatric np services at federally qualified health centers with sliding fee scale options.

View services →

Browse

All clinicians →Pediatric NP clinicians →Browse health centers →

Mary Kay Esswein, CPNP, MSN

Affiliated Health Centers

Pediatrics Services

Related Clinicians

Other Clinicians at These Health Centers

Other Pediatric NP Clinicians

Verify on NPI Registry

Pediatric NP

Browse