1upHealth, Inc.
1upHealth sells a FHIR-based health data platform for claims and clinical data exchange, used by over 75 healthcare organizations. The Boston-based company raised $75M in a Series C round in April 2023.
The growth story
1upHealth, Inc. grew from 97 to 111 employees between 2021 and 2026, raising $75M along the way, most recently a Series C in April 2023.
About
1upHealth provides a platform that helps healthcare organizations exchange and analyze claims and clinical data using FHIR standards. Its customers include health plans, Medicaid agencies, and digital health companies that need to meet regulatory requirements and improve data-driven initiatives.
The company has grown to 111 employees and raised $75M in its latest funding round. Its Series C in April 2023 was led by investors including Eniac Ventures and F-Prime, indicating strong backing for its health data exchange technology.
Founders and leadership
Engineering is the largest function at 1upHealth, with 36 employees. The company has a median tenure of 2 years, suggesting moderate turnover in its Boston-based workforce.
The 1upHealth, Inc. org chart
Gajen Sunthara (Founder & Key Shareholder) leads 43 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 37 (-5% YoY), Information Technology 14 (+8% YoY), Business Development 11 (-8% YoY), Operations 7 (-12% YoY), Sales 7 (-12% YoY), Product Management 7 (0% YoY).
Talent flow
1upHealth hires heavily from healthcare IT firms like Wellframe, athenahealth, and Olive. Alumni often move to other health data companies, with GenHealth.ai, Headway, and Abacus Insights being top destinations.
Most common previous employers of 1upHealth, Inc. staff: Wellframe (5), athenahealth (4), Olive (4), MEDITECH (4), Deloitte (3), Microsoft (3). Former 1upHealth, Inc. employees most often moved to GenHealth.ai (3), Headway (3), Abacus Insights (3), DNAnexus (2), Raynmaker (2), Datavant (2).
Alumni worth knowing
The 1upHealth, Inc. mafia
Four alumni have founded companies, including Raynmaker and GenHealth.ai, which together employ nearly 50 people in the healthcare data space.
4Joe Gagnon, was CEO / Board Member until 2024Ethan Siegel, was Product Development - AI Labs until 2023Christopher P., was Consultant until 2019Robleh Farah, was Software Engineer until 2023Web traffic
Traffic mix: 40% direct, 50% search, 0% social, 4% paid.
What this company is made of
Most common skills at 1upHealth, Inc.: Leadership (33), Microsoft Excel (32), Python (Programming Language) (31), Amazon Web Services (AWS) (31), SQL (31), Project Management (30), Microsoft Office (27), Java (26).
Where the team actually sits
1upHealth, Inc. people are concentrated in Massachusetts, United States (27), Greater Boston (9), California, United States (7), United States (5).
Search footprint
1upHealth, Inc. attracts about 528 organic search visits a month, traffic worth roughly $2K a month if bought through ads. It gained 96 ranking keywords and lost 50 in the last period.
What employees say
- Compensation
- 3.70 / 5
- Career opportunities
- 3.30 / 5
- Senior management
- 3.00 / 5
- Work-life balance
- 4.00 / 5
Frequently asked
1upHealth, Inc. has 111 employees as of September 2026.
1upHealth, Inc. has raised $75M in total, most recently a Series C round in April 2023.
1upHealth, Inc. was founded in 2017 by Gajen Sunthara.
Gajen Sunthara (Founder & Key Shareholder) sits at the top of 1upHealth, Inc.'s reporting structure, with 6 direct reports.
The most common previous employers of current 1upHealth, Inc. staff are Wellframe (5 people), athenahealth (4 people), Olive (4 people).
Former 1upHealth, Inc. employees most often move to GenHealth.ai (3), Headway (3), Abacus Insights (3).
At least 4 companies have a founder who previously worked at 1upHealth, Inc., including Raynmaker, GenHealth.ai, Mooshly.
1upHealth, Inc. attracts about 528 organic search visits a month, worth roughly $2K a month in equivalent ad spend.
The most common skills among 1upHealth, Inc. staff are Leadership, Microsoft Excel, Python (Programming Language), Amazon Web Services (AWS), SQL.
1upHealth, Inc. staff are concentrated in Massachusetts, United States (27), Greater Boston (9), California, United States (7).
1upHealth, Inc. has about 37 people in Engineering, down 5% over the past year, as of September 2026.
1upHealth, Inc. has about 14 people in Information Technology, up 8% over the past year, as of September 2026.
Computed from 91 current and 179 former 1upHealth, Inc. profiles, as of September 2026. Source: Crustdata.
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