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Lead Medical Assistant

Casa Grande, Arizona + Additional locations

Caring. Connecting. Growing together.

With these values to guide us, our people are committed to making a meaningful difference in the lives of those we are honored to serve.

Lead Medical Assistant

Requisition number: 2387327 Job category: Healthcare Delivery Primary location: Casa Grande, Arizona Additional locations: Maricopa, Arizona Date posted: 09/14/2026 Overtime status: Non-exempt Travel: No

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.


The Lead Medical Assistant provides both clinical and operational leadership to support efficient clinic operations, exceptional patient care, and provider productivity. This role serves as the primary resource for Medical Assistants and clinic staff, overseeing daily workflows, staffing, patient flow, and administrative functions while maintaining high standards of patient service and clinical quality.

This position will work at: Summit Rheumatology Clinic, 520 N Camino Mercado, Casa Grande, AZ
Hours for this position: Monday - Thursday, 7:00-5:30 (10 hour shift)

Primary Responsibilities:  

  • Coordinate and oversee daily clinic operations by reviewing provider schedules, staffing coverage, patient volumes, and operational priorities to ensure efficient workflow and adequate support for providers and staff
  • Serve as the first point of contact for day-to-day clinic operations, addressing patient concerns, staff issues, and operational challenges in a timely and professional manner
  • Manage patient flow throughout the clinic, ensuring appointments remain on schedule, phones are answered promptly, and patients receive efficient, high-quality care
  • Assign Medical Assistant responsibilities, provider pairings, and specialty clinic schedules to maximize workflow efficiency and patient access
  • Collect and document patient assessment data including vital signs, height, weight, medication reconciliation, chief complaints, and other relevant information for provider review
  • Prepare patients for examinations and procedures by obtaining specimens, assisting with positioning, reviewing medications, and supporting providers during clinical procedures
  • Perform clinical support duties including specimen collection, blood draws, laboratory processing, medication refill requests, referrals, prior authorizations, and patient assistance program documentation
  • Maintain accurate and timely documentation in the electronic medical record, including treatments, patient concerns, test results, provider orders, and follow-up actions
  • Coordinate referrals, infusion-related activities, enrollment programs, and other specialty services to ensure continuity of patient care
  • Monitor electronic task queues, provider requests, emails, and other communications to ensure timely completion of patient care and administrative tasks
  • Review clinic performance metrics, operational reports, and key performance indicators (KPIs) to identify priorities and support organizational goals
  • Maintain exam rooms, treatment areas, and laboratory spaces in a clean, organized, and compliant manner
  • Oversee inventory management for clinical, laboratory, and office supplies, including monitoring stock levels, restocking materials, and submitting supply orders as needed
  • Collaborate with providers, leadership, vendors, pharmaceutical representatives, information technology, and other departments to support clinic operations and resolve issues
  • Facilitate daily communication with staff regarding clinic priorities, workflow updates, and operational expectations
  • Ensure completion of end-of-day responsibilities, including encounter reconciliation, documentation review, resolution of outstanding patient issues, schedule readiness, scanning, paperwork completion, and securing the clinic

Leadership Expectations:

  • Demonstrate strong leadership, organizational, communication, and problem-solving skills
  • Promote a patient-centered culture focused on quality, safety, service excellence, and teamwork
  • Support staff development, accountability, and adherence to clinical and organizational policies and procedures
  • Serve as a resource and mentor for Medical Assistants and other clinic staff while fostering collaboration and operational excellence

You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications:

  • Graduation from an accredited medical assistant program
  • 3+ years related experience
  • 1+ years of leadership experience

Preferred Qualifications:

  • Current MA Certification
  • BLS/CPR required upon hire

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The hourly pay for this role will range from $18.00 to $32.00 per hour based on full-time employment. We comply with all minimum wage laws as applicable.

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.

UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.

UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment.

Benefits

Our mission of helping people live healthier lives extends to our team members. Learn more about our range of benefits designed to help you live well.

Life

Resources and support to focus on what matters most to you, in every facet of your life.

Emotional

Education, tools and resources to help you reduce and manage stress, build resilience and more.

Physical

Health plans and other coverage to support wellness for you and your loved ones.

Financial

Benefits for today and to help you plan for the future, including your retirement.

Learn more
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