Patient Billing Associate

A Rare Opportunity to Shape the Future of Genomics

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.

Responsibilities:

• 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

Qualifications:

• 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

Nice-to-Haves:

• Speaking fluently in Spanish

Benefits And Perks:

• Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousand patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
• Extremely generous Family Bonding Leave for eligible employees (16 weeks, paid at 100%)
• Supplemental fertility benefits coverage
• Retirement savings program including a 4% Company match
• Increase paid time off with increased tenure
• Latest and greatest hardware (laptop, lab equipment, facilities)

At BillionToOne, we are proud to offer a combination of a (1) base pay (2) generous equity options offering, on top of (3) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave etc.).

For this position, we offer a total compensation package of $115,300 per year (at plan), including a base pay rate of $53,592 per year.

BillionToOne is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide.
Our Impact

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.
Unity Confirm™ enables non-invasive confirmation for high-risk screening results through the capture of intact circulating fetal cells using BillionToOne's Fetal Cell Capture™ Technology.
Our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.
Our Growth

From $0 to $400M+ annualized revenue run-rate in just 6 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.
Our Recognition

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.
Our Future

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