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Diameter Health Announces $9.6M in Series A-1

FARMINGTON, CT, Diameter Health announced a $9.6 million Series A-1 funding round.
Diameter Health, a market leader in clinical data integration, today announced a $9.6 million Series A-1 funding round. The investment is led by new investor Optum Ventures, the independent venture fund of Optum. Optum Ventures joins existing Diameter Health investors Activate Venture Partners, Connecticut Innovations, Excelerate Health Ventures and LRV Health.

Diameter Health has developed a leading-edge technology that cleanses multisource clinical data with the focus toward actionable insight for health care organizations. The technology is certified by the National Committee for Quality Assurance (NCQA) and the Office of the National Coordinator for Healthcare IT (ONC). The new funding will support Diameter Health's continued growth with additional development, cloud delivery and commercial resources.

"The volume of clinical data being exchanged has grown exponentially over the last decade, and players across the health care ecosystem are grappling with how to make this influx a useful and valuable asset," said Eric Rosow, CEO of Diameter Health. "Our partnership with Optum Ventures will accelerate our ability to meet the industry demand for technology that makes clinical data actionable at scale."

Tripp Peake, General Partner at LRV Health, an original venture investor in Diameter Health, said: "We are excited to have Optum Ventures as part of the Diameter Health team. We all know that access to clinical data has limited value if the data isn't reliable. Diameter Health is capitalizing on the market need for clean, normalized, actionable data from disparate systems and sources. We believe that need will continue to grow as clinical data is increasingly leveraged throughout the health care system."

About Diameter Health

Diameter Health enables clinical insight through the normalization, cleansing, deduplication and enrichment of clinical data from across the care continuum. This creates a single, unified source of longitudinal structured patient information for improved care and actionable analytics. The Diameter Health platform empowers organizations that depend on multi-source data streams, such as Health Information Exchanges (HIEs), Accountable Care Organizations (ACOs), health systems and health plans, to realize greater value from their data. For more information, visit the website or email us at

About Optum Ventures

Optum Ventures is the independent venture fund of Optum, a leading information and technology-enabled health services business dedicated to helping make the health system work better for everyone. Optum Ventures invests in digital health companies that use data and insights to help improve consumers' access to health care services and how care is delivered and paid for, and that make the health care system more reliable and easier to navigate. For more information, visit
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