
Medical Assistants (MA) in the medical office setting supports providers by delivering direct and indirect patient care in a professional, courteous, and efficient manner. The MA may assist with clinical procedures, maintains accurate documentation, and provides administrative support to ensure smooth daily operations. The MA functions within their defined scope of practice (based on office type clinic/HOD), under supervision, and in alignment with Mercy's mission and standards of care.
Location: 12700 Southfork Road, Suite 275, St. Louis, MO 63128
Make a Difference Across Multiple Specialty Clinics
Mercy is seeking a flexible, patient-focusedMedical Assistant to join our Clinic Float Pool team. In this PRN role, you'll have the opportunity to support a variety of specialty clinics, work alongside exceptional providers, and develop a broad range of clinical skills while helping deliver outstanding patient care.
This is an excellent opportunity for a Medical Assistant who enjoys variety, adapts well to different environments, and thrives in a collaborative team setting.
This position supports multiple specialty clinics throughout the South St. Louis County area. Float assignments may include:
Successful candidates will enjoy working in a variety of clinical environments and collaborating with multiple specialty teams.
💙 Apply today and become part of a team that's transforming healthcare with compassion and
From day one, Mercy offers outstanding benefits - including medical, dental, and vision coverage, paid time off, tuition support, and matched retirement plans for team members working 32+ hours per pay period.
Join a caring, collaborative team where your voice matters. At Mercy, you'll help shape the future of healthcare through innovation, technology, and compassion. As we grow, you'll grow with us.

At Mercy, care is more than a job - it’s a calling.
Every day, our caregivers bring compassion, skill and purpose to the communities we serve across Arkansas, Kansas, Missouri and Oklahoma. Whether you're building your career at the bedside, in a clinic or supporting care behind the scenes, you’ll find meaningful ways to make an impact - while growing in a way that’s uniquely yours.
As a physician-led, integrated health system with more than 50 hospitals and nearly 1,000 care sites, Mercy combines advanced technology, collaboration and a shared commitment to better care.
Rooted in a faith-based mission and inspired by the legacy of the Sisters of Mercy, our work is guided by a deep sense of purpose - to care for the whole person and serve our communities with compassion and dignity.
Here, you’ll find an environment where you’re supported to grow, connected to a team that cares and empowered to do your best work.
Because at Mercy, there are many paths - but one calling.