Patient Billing Associate

Join a team of brilliant, passionate innovators determined to transform healthcare. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we build products that are 10x better than anything that exists today.

Our scientists, engineers, sales executives, and visionaries are united by an unwavering commitment to changing the standard of care in prenatal and cancer diagnostics. This is where cutting-edge science meets human compassion, and every innovation you contribute helps remove the fear of the unknown from some of life's most critical medical moments.

If you're driven by purpose, energized by innovation, and ready to help shape the future of precision medicine at scale, this is where you belong.

We are looking for a Patient Billing Associate to drive high impact initiatives that impact account growth, retention, and revenue through daily interactions with our customers. The Patient Billing Associate is on the front lines with our existing and potential customers, including clinics, medical staff, and patients. The ideal candidate for this role is a smart, ambitious, and talented individual who is extremely passionate about delivering strong results and a positive customer experience. The Patient Billing Associate is a remote position and reports to the Assoc. Director, Inside Sales.

• →Personally engage customers in a positive and friendly manner to proactively resolve issues that may impact account growth or retention
• →Oversee and effectively respond to all types of communication in a courteous and articulate manner: phone, email, and web inquiries from customers (physician offices), field sales representatives, and existing or potential patients
• →Handle a variety of inquiries, including questions about our technology, products, and services, costs, billing, and insurance coverage
• →Keep precise and clear documentation of all communications and follow-up activities
• →Contact patients through outbound calling and SMS to explain potential costs and address billing concerns
• →Contact physicians and other medical personnel to obtain missing information that is pertinent to reimbursement
• →Manage a queue of customers that need to be contacted and effectively follow through on a scheduled contact cadence until resolved
• →Handle 20-30 inbound calls and 40-50 outbound calls per day

• 2+ years of prior client-facing experience 
• Inside Sales / Customer Service background in a fast paced, high-volume environment strongly preferred
• Experience using Salesforce 
• Advanced organizational skills with the ability to handle multiple assignments
• Fast learner with the ability to navigate complex workflows and technology
• Outstanding verbal, written and presentation skills - ability to effectively tailor messages to different audiences

• Speaking fluently in Spanish

Unity Complete™ is the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample. Our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.

From $0 to $150M+ in Annual Recurring Revenue in just five years. In 2025, we completed one of the most successful IPOs for a medical diagnostics company, building on nearly $400M in private funding,including our $130M Series D in 2024 and backed by world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.

Forbes named us one of America's Best Startup Employers for 2025 and we're Great Place to Work certified, with 100% of our people willing to go the extra mile, even as we've scaled to over 700 employees.

Headquartered in Menlo Park with facilities in Union City, CA, and a new lab opening in Austin, TX in 2027, we're continuing to push the boundaries of what's possible in molecular diagnostics. We're just getting started.

Ready to help us change the world, one molecule at a time? Learn more at billiontoone.com