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BillionToOneBI

Patient Billing Associate

BillionToOne is a precision diagnostics company developing advanced molecular diagnostic tools to make testing more accurate, efficient, and accessible, focusing on prenatal screening and oncology. Their proprietary QCT technology enables counting DNA molecules at a single-count level for improved disease detection.

BillionToOne

Employee count: 501-1000

Salary: 54k-115k USD

United States only

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Ready to redefine what's possible in molecular diagnostics?

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 new parents (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.

For more information about how we protect your information, we encourage you to review our Privacy Policy.

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. 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 $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.

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

About the job

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Job type

Full Time

Experience level

Salary

Salary: 54k-115k USD

Experience

2 years minimum

Location requirements

Hiring timezones

United States +/- 0 hours

About BillionToOne

Learn more about BillionToOne and their company culture.

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Through groundbreaking technology, we are revolutionizing molecular diagnostics at BillionToOne. Headquartered in Menlo Park, California, BillionToOne is a precision diagnostics company with a mission to make molecular diagnostics more accurate, efficient, and accessible for all. Our patented Quantitative Counting Templates, or QCTs™, represent a significant technological breakthrough, powering our ability to detect and measure tiny and sparse disease-related DNA fragments at the single base-pair level. This innovation is crucial because several common and severe recessive conditions screened for prenatally can be caused by single-base pair alterations. Our QCT technology enables quantifying these tiny variations using cell-free DNA, opening the door to exponential improvements in prenatal screening, liquid biopsy, and beyond. We believe this quantification will unlock transformative advancements in how diseases are detected and managed. The company's QCT molecular counter platform is the only technology that can count DNA molecules at the single-count level with single base-pair precision, increasing the cell-free DNA diagnostics resolution by over 1,000-fold.

Our innovation focus is evident in our flagship products. UNITY Screen™, our commercially available non-invasive prenatal test (NIPT), is the only NIPT that can assess fetal risk for both recessive conditions (like cystic fibrosis, spinal muscular atrophy, and sickle cell disease) and aneuploidies from a single maternal blood sample, as early as nine weeks into pregnancy, without requiring a paternal sample. This simplifies the testing process and provides timely, precise fetal risk assessments. In 2023, we expanded our innovative approach into oncology with the launch of Northstar™ Select and Northstar™ Response. These pioneering liquid biopsy tests leverage our molecular counting technology for therapy selection and monitoring tumor burden, aiming to transform oncology care. BillionToOne is committed to pushing the boundaries of molecular diagnostics to improve healthcare, with over 500,000 patients having benefited from our precise diagnostic tests. We are dedicated to developing powerful and accurate diagnostic tests that are accessible to all, continually striving to advance healthcare through innovation.

Employee benefits

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Competitive pay

We offer competitive pay.

Complimentary gym

Stay healthy with our complimentary gym.

EV charging stations

Charge your EV at our charging stations.

COVID testing

Complimentary COVID testing for all employees.

View BillionToOne's employee benefits
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