Theresa Guinther-Mulders, DO

Pediatrics

GenderFemaleNPI1326206020Affiliated sites1

Affiliated Health Centers

Theresa Guinther-Mulders is affiliated with 1 federally qualified health center location.

Great Lakes Bay Health Centers Bayside

3884 Monitor Rd, Bay City, MI 48706-9298

Medicare★ 4.6 Google (222)

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

Pediatrics

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

View services →

Affiliated Health Center

Great Lakes Bay Health Centers Bayside

View quality scores & reviews →

Browse

All clinicians →Pediatrics 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? →

Theresa Guinther-Mulders, DO

Affiliated Health Centers

Pediatrics Services

Related Clinicians

Other Clinicians at These Health Centers

Other Pediatrics Clinicians

Verify on NPI Registry

Pediatrics

Affiliated Health Center

Browse

Going to a Community Health Center?