Per Diem Medical Assistant

Carbon Health Technologies Inc; Corona (CA); On-site; USD 34,000 - 52,000; Full time

Job summary

Carbon Health Technologies Inc. is seeking a Per Diem Medical Assistant to provide clinical and administrative support in our outpatient setting in Corona, CA.

You will room patients, assist with examinations, perform basic clinical tasks, and support front-office activities to ensure smooth clinic operations. The role offers flexible hourly shifts, with opportunities to work evenings and weekends as needed.

Qualifications

• Minimum 2 years of MA experience in outpatient/clinical setting.
• High school diploma or equivalent; completion of an accredited Medical Assistant program preferred.
• Current MA certification (CMA, RMA, CCMA or equivalent) as required by state or employer standards.
• Proficiency in English with strong verbal and written communication skills.
• Experience with EHR systems and basic computer skills (email, scheduling, data entry).
• Understanding of clinical procedures, vital signs, infection control, and medical terminology.
• Ability to maintain patient confidentiality and comply with HIPAA.

Responsibilities

• Provide direct patient support: rooming patients, taking vital signs, documenting histories in EHR.
• Prepare examination rooms and maintain stock and cleanliness.
• Assist providers with examinations, treatments and minor procedures.
• Perform basic clinical tasks: injections, specimen collection, point-of-care testing and EKGs as permitted.
• Document encounters, treatments, and results in EHR accurately and promptly.
• Coordinate patient flow to optimize provider schedules and reduce wait times.
• Support front-desk tasks: check-in/out, scheduling, insurance and demographics verification.

Skills

EHR proficiency

Communication

Organizational skills

Flexibility

Education

High school diploma or equivalent

Accredited Medical Assistant program (preferred)

Tools

EHR systems

Microsoft Office

Job description

The Per Diem Medical Assistant will provide high-quality clinical and administrative support within the Medical Assistant department on an as-needed basis. In this hourly, per diem role, you will work collaboratively with physicians, nurses, and other healthcare professionals to deliver efficient, compassionate patient care. You will be responsible for rooming patients, assisting with examinations and procedures, performing basic clinical tasks, and supporting front-office functions to ensure smooth clinic operations. This role is ideal for an experienced Medical Assistant seeking flexible hours while maintaining a strong commitment to patient service and clinical excellence.

What You'll Do

• Provide direct patient support, including rooming patients, obtaining vital signs, and documenting medical histories in the electronic health record (EHR).
• Prepare examination rooms before and after patient visits, ensuring they are clean, stocked, and organized.
• Assist providers with examinations, treatments, and minor office procedures following established clinical protocols.
• Perform basic clinical tasks such as injections, specimen collection, point-of-care testing, and EKGs as permitted by certification and state regulations.
• Accurately document patient encounters, treatments, and test results in the EHR in a timely and confidential manner.
• Coordinate patient flow to optimize provider schedules and minimize patient wait times.
• Support front-desk operations as needed, including patient check-in and check-out, appointment scheduling, and insurance and demographic verification.
• Follow infection control, safety, and clinical quality standards in all patient-care activities.
• Communicate clearly and respectfully with patients, families, and the care team to support understanding of care plans and instructions.
• Maintain medical supplies and inventory, reporting shortages and assisting with restocking as needed.
• Participate in ongoing training and competency assessments to maintain skills and stay current with practice guidelines.
• Work variable, per diem shifts based on departmental needs, which may include weekdays, evenings, and/or weekends.

Qualifications

• Minimum of 2 years of recent experience working as a Medical Assistant in an outpatient or clinical setting.
• High school diploma or equivalent; completion of an accredited Medical Assistant program preferred.
• Current Medical Assistant certification or registration (CMA, RMA, CCMA, or equivalent) as required by state or employer standards.
• Proficiency in English, with strong verbal and written communication skills.
• Demonstrated experience with electronic health record (EHR) systems and basic computer skills (e.g., email, scheduling, data entry).
• Solid understanding of basic clinical procedures, vital signs, infection control, and medical terminology.
• Ability to maintain patient confidentiality and comply with HIPAA and all relevant policies and regulations.
• Strong organizational skills and attention to detail, with the ability to manage multiple tasks in a fast-paced environment.
• Professional, compassionate, and customer-service–oriented approach to patient care.
• Flexibility to work an hourly, per diem schedule, including variable shifts based on departmental needs.
• Ability to stand, walk, and move for extended periods and to lift, position, or assist patients and equipment as required by the role.

As a physician-founded and led organization, ensuring everyone has access to quality healthcare is what inspires us. The magic we’ve created lies in Carbon Health’s custom EHR and the collaboration among clinical teams, engineers, and designers who work side-by-side to deliver innovation like our hands free AI charting tool. That’s why we hire people who genuinely care about patients, solving healthcare challenges, and making a positive impact every day. Join us and help change the future of healthcare for the better.