Medical Assistant, Per Diem

Carbon Health; San Jose (CA); On-site; USD 41,000 - 69,000; Full time

Job summary

Carbon Health in San Jose, CA is seeking a Per Diem Medical Assistant to support a high-volume clinical environment across multiple urgent-care and outpatient clinics. This hourly per diem role requires flexibility to float between four South Bay locations and to cover weekend shifts, working closely with providers and fellow MAs to ensure efficient patient flow.

The role emphasizes rooming patients, venipuncture, EMR documentation, and front/back office support, with a focus on patient-centered

Qualifications

• Minimum 1 year of MA experience in outpatient/urgent care.
• Current MA certification or diploma as required.
• Venipuncture experience with specimen handling.
• Ability to float between four clinics in the South Bay.
• Weekend availability and variable hours.

Responsibilities

• Take vital signs and room patients in high-volume clinics.
• Perform venipuncture and specimen collection following protocols.
• Assist providers during urgent care and outpatient visits.
• Maintain accurate documentation in the EMR with attention to detail.
• Float between up to four South Bay clinics as needed.
• Prepare exam rooms and restock supplies.
• Deliver courteous, patient-centered service to patients and families.
• Support front and back office tasks, including scheduling and check-in/out.
• Collaborate with care team and maintain infection control policies.
• Work evenings or holidays as required.

Skills

Venipuncture

EMR proficiency

Teamwork

Communication

Vital signs

Education

Medical Assistant certification or diploma

Tools

EMR system

Job description

Medical Assistant, Per Diem

Carbon Health San Jose, California, United States

About this position

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.

About The Role

As a Per Diem Medical Assistant, you will support a high-volume, fast‑paced clinical environment across multiple urgent‑care and outpatient clinics in the South Bay. In this hourly, per diem role, you will work closely with providers and fellow medical assistants to deliver efficient, compassionate patient care. You will perform both clinical and administrative tasks, with a strong emphasis on rooming patients, Work Place Health and Urgent Care Services, while helping to maintain a smooth patient flow. This position requires flexibility to float between four clinic locations and to work weekend shifts as needed. The ideal candidate is a team player who takes initiative, is highly accountable, and is comfortable working in an urgent care or similarly high‑velocity setting.

What You'll Do

• Perform clinical duties such as vital signs, patient intake, history collection, and rooming patients in a high‑volume setting
• Perform venipuncture and other specimen collection procedures in accordance with clinical protocols and safety standards
• Support providers in urgent care and outpatient visits, including assisting with exams, procedures, and treatments as directed
• Manage high patient volume while maintaining accurate documentation, attention to detail, and a calm, professional demeanor
• Float between up to four South Bay clinic locations based on staffing needs and schedule assignments
• Prepare exam rooms, restock supplies, and maintain a clean, safe, and organized clinical environment
• Provide excellent customer service by communicating clearly and respectfully with patients, families, and the care team
• Accurately document patient information in the electronic medical record (EMR) in a timely manner
• Support front and back office workflows as needed, which may include scheduling, check‑in/check‑out, and insurance verification
• Collaborate closely with coworkers, demonstrating strong teamwork, dependability, and willingness to help where needed
• Take initiative to identify issues impacting patient flow or clinic efficiency and proactively contribute to solutions
• Adhere to infection control, safety, and confidentiality policies and procedures at all times
• Work weekend shifts and variable per diem hours, including evenings or holidays as required by clinic operations

Qualifications

• Minimum of 1 year of recent experience as a Medical Assistant in an outpatient, urgent care, or similar clinical setting
• Current Medical Assistant certification or diploma from an accredited Medical Assistant program (as required by state or employer policy)
• Demonstrated venipuncture experience and proficiency with blood draws and specimen handling
• Experience working in a fast‑paced, high‑volume clinical environment; urgent care experience strongly preferred
• Ability and willingness to float between four clinics in the South Bay region based on operational needs
• Availability to work weekends and variable per diem hours (including potential evenings or holidays)
• Strong teamwork orientation with the ability to collaborate effectively with providers, nurses, and support staff
• Proven ability to take initiative, follow through on responsibilities, and maintain a high level of accountability
• Proficiency with basic computer skills and experience using an electronic medical record (EMR) system
• Excellent communication and interpersonal skills with a focus on patient‑centered, culturally sensitive care
• Ability to prioritize tasks, manage time effectively, and maintain accuracy under pressure in a high‑velocity environment
• Current BLS/CPR certification or ability to obtain prior to start date, as required by employer policy
• Compliance with all occupational health requirements (e.g., immunizations, TB screening) as required for clinical staff