Investor directory

Waterline Ventures

Waterline Ventures is a Massachusetts-based private equity firm established in 2014, focusing on early-stage investments in healthcare technology and services companies across the United States. With a team of experienced healthcare investors, Waterline partners with entrepreneurs who are addressing critical challenges in the healthcare sector, such as rising costs, inconsistent quality, and limited access to care. The firm seeks to support innovative solutions that not only enhance the delivery of care but also create significant value for patients and healthcare systems. By investing in companies that are poised for technological transformation, Waterline Ventures aims to drive meaningful improvements in healthcare outcomes both nationally and globally.

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Health CareSeries AEarly VentureHealth InsuranceSeed RoundShow more
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Kathy Barry

CFO, Investment Committee

John Curtin

Associate

Robbie Greenglass

Partner

Abby Bristol Hafler

Advisor

46 past transactions

RubiconMD

Seed Round in 2014
RubiconMD is a web-based eConsult service that enables primary care providers to quickly and easily discuss their cases with top specialists, so they can provide better care—improving the patient experience and reducing costs. RubiconMD was founded in 2013 by Gil Addo, Carlos Reines, and Julien Pham. It is headquartered in New York, New York.

Amwell

Venture Round in 2015
Amwell is a telehealth platform in the United States and globally, connecting and enabling providers, insurers, patients, and innovators to deliver greater access to more affordable, higher quality care. Amwell believes that digital care delivery will transform healthcare. The company offers a single, comprehensive platform to support all telehealth needs from urgent to acute and post-acute care, as well as chronic care management and healthy living. With over a decade of experience, Amwell powers telehealth solutions for over 240 health systems comprised of 2,000 hospitals and 55 health plan partners with over 36,000 employers, reaching over 150 million lives. Amwell was founded in 2006 and is headquartered in Boston, Massachusetts.

Legacy

Seed Round in 2020
Legacy (YC S19) was incubated at the Harvard Innovation Labs before joining Y Combinator's accelerator program, winning TechCrunch Disrupt and receiving Gold at MassChallenge Boston. Founded by a team of healthcare and fertility experts, Legacy aims to change outdated views around around fertility with a straightforward, accessible, and trusted product for men. We work only with leading hospitals, clinics, fertility partners, and innovative employers. Investors include Bain Capital Ventures and Section 32, and you can learn more about the company in recent coverage by the Washington Post, Economist, New York Times, Financial Times, CNBC, and others. Meet us at https://www.givelegacy.com/team

HealthiPASS Inc.

Private Placement in 2017
HealthiPASS Inc. provides patient centric payment systems for practice management providers. It offers RevSure, a patient revenue cycle management software that eliminates patient related accounts receivable and guarantees the collection of patient payments. The company helps providers to promote price transparency, build trust, and increase their operating income by simplifying the check-in process and streamlining time-of-service and residual balance patient payments through RevSure. HealthiPASS Inc. was incorporated in 2013 and is based in Oak Brook, Illinois. As of December 17, 2020, HealthiPASS Inc. operates as a subsidiary of SphereCommerce, LLC.

SimpliFed

Seed Round in 2022
SimpliFed is a telehealth company that provides access to virtual breastfeeding support to new and pregnant parents. It was founded in 2020 catering to new parents, who struggle with sleep deprivation, uncertainty, and complex questions about their infant’s nutrition.

TimeDoc Health

Series A in 2020
TimeDoc Health is a Chicago-based healthcare IT and nursing services company that develops solutions to help physicians navigate the changing reimbursement landscape in healthcare.

Madaket

Venture Round in 2017
Madaket is a SaaS-based solutions provider that connects healthcare providers and payers. It automates the healthcare enrollment process and sends the right information to each applicable payer. Madaket has exclusive partnerships with TriZetto Provider Solutions and HealthStream. Through its channel partners, the company has more than 300,000 providers in its system and over 325,000 additional providers under contract on their way into the service. Based in Cambridge, Massachusetts, Madaket was launched by Mads Kvalsvik, Scott Soderstrom, Jim Dougherty, and Ted Achtem in 2012.

Koneksa Health

Series B in 2020
Koneksa Health is a healthcare data analytics company that helps researchers incorporate emerging technologies (bio-sensors, activity trackers, mobile-based questionnaires, etc.) into their clinical studies. Their Koneksa Compare software dashboard enables the collection, visualization, and analysis of these patient-generated data sets. Koneksa currently supports academic and life sciences researchers, expands the universe of data that can be analyzed while also removing subjective characteristics from clinical endpoints. It was founded in 2013 and is based in New York, United States.

Common Sensing

Series A in 2018
Common Sensing develops and manufactures data-driven hardware and software medical device solutions for diabetes care that foster education and communication for patients while delivering decision support for clinicians. Common Sensing has a team of talented designers and engineers to develop Gocap™, a smart cap that turns existing injector pens into smart injectors.

Ambient Clinical Analytics

Private Placement in 2017
Ambient Clinical Analytics is the creator of a software platform designed for data assimilation, communication and analytics. It is based on decision support tools initially deployed in the intensive care unit (ICU) or emergency department of hospitals. Our software consists of algorithms that mine data from electronic medical records (EMR). It then presents that data to the physicians and nurses so they may facilitate real-time clinical decision making and care delivery. These products are positioned as add on applications that are designed to easily integrate with the current major EMR providers.

Nice Healthcare

Private Placement in 2020
Nice Healthcare is the leader in “Frictionless Primary Care”, primary care in which financial friction and access friction has been eliminated for both patients and clinicians. Nice Healthcare brings healthcare services into the patient's home using a combination of in-person and virtual visits. Nice contracts directly with employers to provide unlimited access to its service under a transparent and capitated rate of $30 - $36 per employee per month. Dependents are free and there are no visit fees billed to the patients for any of Nice’s services which include in-home primary care visits, virtual visits, 550+ prescriptions, in-home labs, in-home x-rays, and virtual physical therapy and chronic condition management.

RubiconMD

Private Placement in 2020
RubiconMD is a web-based eConsult service that enables primary care providers to quickly and easily discuss their cases with top specialists, so they can provide better care—improving the patient experience and reducing costs. RubiconMD was founded in 2013 by Gil Addo, Carlos Reines, and Julien Pham. It is headquartered in New York, New York.

RubiconMD

Series B in 2018
RubiconMD is a web-based eConsult service that enables primary care providers to quickly and easily discuss their cases with top specialists, so they can provide better care—improving the patient experience and reducing costs. RubiconMD was founded in 2013 by Gil Addo, Carlos Reines, and Julien Pham. It is headquartered in New York, New York.

Health iPASS

Series A in 2017
Health iPASS is redefining the patient revenue cycle by improving the patient experience from appointment to payment. Health iPASS helps providers promote price transparency, build trust, and increase their operating income by simplifying the check-in process and streamlining both time-of-service and residual balance patient payments through an innovative, multi-channel software solution. Our patient friendly system supports 850+ payers, 90+ practice management systems and is payment processor-agnostic. Many providers have realized 90-95% patient net collection rates, slashed denials by over 50%, and have significantly reduced cost and time to collect.

Cured

Private Placement in 2019
Cured, Inc. is a healthcare technology company that develops solutions for connecting health systems and healthcare organizations to patients and their families. The company’s platform solutions focus on network management, patient marketing and insights, and customer experience. Cured, Inc. was founded in 2018 and is headquartered in San Francisco, California with additional offices in Chicago and Denver.

DoctorNow

Seed Round in 2024
DoctorNow builds system that is as simple to use as a word processor with complexity handled by their assistive artificial intelligence technology. Their single-minded obsession is to reduce time spent while maintaining data integrity and development to document the medical records as possible for informatics.

Plenful

Seed Round in 2023
Plenful optimizes healthcare and pharmacy operations through intelligent workflow automation, data configuration and centralization, and machine learning. The company built a healthcare-focused AI automation platform to unburden staff, deliver meaningful financial and operational results, and drive more efficient patient care outcomes. Plenful is located in San Francisco, California and is backed by leading healthcare and software investors..

TimeDoc Health

Private Placement in 2020
TimeDoc Health is a Chicago-based healthcare IT and nursing services company that develops solutions to help physicians navigate the changing reimbursement landscape in healthcare.

Cured

Seed Round in 2019
Cured, Inc. is a healthcare technology company that develops solutions for connecting health systems and healthcare organizations to patients and their families. The company’s platform solutions focus on network management, patient marketing and insights, and customer experience. Cured, Inc. was founded in 2018 and is headquartered in San Francisco, California with additional offices in Chicago and Denver.

Andgo Systems

Series A in 2022
Andgo Systems is an Absence Management was developed specifically for complex scheduling environments.

Nice Healthcare

Seed Round in 2020
Nice Healthcare is the leader in “Frictionless Primary Care”, primary care in which financial friction and access friction has been eliminated for both patients and clinicians. Nice Healthcare brings healthcare services into the patient's home using a combination of in-person and virtual visits. Nice contracts directly with employers to provide unlimited access to its service under a transparent and capitated rate of $30 - $36 per employee per month. Dependents are free and there are no visit fees billed to the patients for any of Nice’s services which include in-home primary care visits, virtual visits, 550+ prescriptions, in-home labs, in-home x-rays, and virtual physical therapy and chronic condition management.

Anagram

Private Placement in 2020
Anagram Inc. develops a software platform that assists healthcare professionals with the intricacies of health insurance networks. It offers Anagram, an online insurance assistant for managing patients' healthcare plans across various networks by displaying patient’s out-of-network benefits and submitting a claim for them. The company’s platform is also used by healthcare professionals to leverage insurance benefits and avoid any constraints. The company was formerly known as Glass Health, Inc. and changed its name to Anagram Inc. in February 2020. Anagram Inc. was incorporated in 2014 and is based in Santa Monica, California.

Cured

Series A in 2021
Cured, Inc. is a healthcare technology company that develops solutions for connecting health systems and healthcare organizations to patients and their families. The company’s platform solutions focus on network management, patient marketing and insights, and customer experience. Cured, Inc. was founded in 2018 and is headquartered in San Francisco, California with additional offices in Chicago and Denver.

Manifold

Seed Round in 2020
Manifold, Inc. develops AI software programs and services for clients in healthcare and financial sectors. It offers services in the areas of machine learning, data science, data engineering, dev-ops, cloud, and edge. The company was founded in 2016 and is based in Oakland, California with additional offices in San Francisco, California and Boston, Massachusetts.

Carta Healthcare

Series A in 2021
Carta empowers hospitals to personalize the delivery of care to the individual needs of each patient. The approach Carta Healthcare is advocating and enabling is to: find past patients similar to the current one being treated; quantify what exactly happened to them during their journey through the hospital (this is where our model comes in) and; use machine learning to project what the particular patient in question will need, and what the patient can expect their experience to be in the hospital. Carta was founded in 2017 and is based in Palo Alto, California, United States.

Neuehealth

Series A in 2016
Bright Health Management, Inc. provides health insurance products and services. It offers both individual and family health insurance services and connects users to various physicians and healthcare providers. The company provides its health insurance plans directly to consumers via broker partners and through public and private health insurance exchanges. Bright Health Management, Inc. was founded in 2015 and is based in Minneapolis, Minnesota with operations Alabama, Arizona, Florida, North Carolina, Colorado, Oklahoma, South Carolina, Nebraska, New York, Ohio, and Tennessee. Bright Health Management, Inc. operates as a subsidiary of Bright Health Inc.

Carta Healthcare

Seed Round in 2017
Carta empowers hospitals to personalize the delivery of care to the individual needs of each patient. The approach Carta Healthcare is advocating and enabling is to: find past patients similar to the current one being treated; quantify what exactly happened to them during their journey through the hospital (this is where our model comes in) and; use machine learning to project what the particular patient in question will need, and what the patient can expect their experience to be in the hospital. Carta was founded in 2017 and is based in Palo Alto, California, United States.

Koneksa Health

Series C in 2022
Koneksa Health is a healthcare data analytics company that helps researchers incorporate emerging technologies (bio-sensors, activity trackers, mobile-based questionnaires, etc.) into their clinical studies. Their Koneksa Compare software dashboard enables the collection, visualization, and analysis of these patient-generated data sets. Koneksa currently supports academic and life sciences researchers, expands the universe of data that can be analyzed while also removing subjective characteristics from clinical endpoints. It was founded in 2013 and is based in New York, United States.

Nice Healthcare

Series A in 2022
Nice Healthcare is the leader in “Frictionless Primary Care”, primary care in which financial friction and access friction has been eliminated for both patients and clinicians. Nice Healthcare brings healthcare services into the patient's home using a combination of in-person and virtual visits. Nice contracts directly with employers to provide unlimited access to its service under a transparent and capitated rate of $30 - $36 per employee per month. Dependents are free and there are no visit fees billed to the patients for any of Nice’s services which include in-home primary care visits, virtual visits, 550+ prescriptions, in-home labs, in-home x-rays, and virtual physical therapy and chronic condition management.

RubiconMD

Series C in 2020
RubiconMD is a web-based eConsult service that enables primary care providers to quickly and easily discuss their cases with top specialists, so they can provide better care—improving the patient experience and reducing costs. RubiconMD was founded in 2013 by Gil Addo, Carlos Reines, and Julien Pham. It is headquartered in New York, New York.

Ambient Clinical Analytics

Series A in 2017
Ambient Clinical Analytics is the creator of a software platform designed for data assimilation, communication and analytics. It is based on decision support tools initially deployed in the intensive care unit (ICU) or emergency department of hospitals. Our software consists of algorithms that mine data from electronic medical records (EMR). It then presents that data to the physicians and nurses so they may facilitate real-time clinical decision making and care delivery. These products are positioned as add on applications that are designed to easily integrate with the current major EMR providers.

1DocWay

Seed Round in 2015
1DocWay is an online doctor's office. Rural, elderly, disabled and busy patients can schedule appointments online and see their doctor through our secure videochat platform. As a result, physicians increase scheduling flexibility and revenue opportunities by expanding their patient base, increasing reimbursement rates and replacing phone calls (not reimbursed)

Wellframe

Series A in 2014
Wellframe is a hospital and healthcare it provides a digital health management solutions that include care management support, digital concierge solutions, and transformation services. It helps healthcare organizations by providing solutions that enable them to support people longitudinally between traditional clinical interactions. The company was founded in 2011 and headquartered in Boston, Massachusetts, United States.

RubiconMD

Series A in 2016
RubiconMD is a web-based eConsult service that enables primary care providers to quickly and easily discuss their cases with top specialists, so they can provide better care—improving the patient experience and reducing costs. RubiconMD was founded in 2013 by Gil Addo, Carlos Reines, and Julien Pham. It is headquartered in New York, New York.

Zipnosis

Series A in 2016
Zipnosis, Inc. operates a virtual health care platform that connects patients and clinicians through phone and video interviews. The company also offers a ZipTicket, a healthcare boarding pass that provides patients with access to clinics for in-person assessments or lab tests. Zipnosis, Inc. has a strategic partnership with Upfront. The company was founded in 2008 and is based in Minneapolis, Minnesota.

Zipnosis

Series B in 2018
Zipnosis, Inc. operates a virtual health care platform that connects patients and clinicians through phone and video interviews. The company also offers a ZipTicket, a healthcare boarding pass that provides patients with access to clinics for in-person assessments or lab tests. Zipnosis, Inc. has a strategic partnership with Upfront. The company was founded in 2008 and is based in Minneapolis, Minnesota.

Plenful

Series A in 2024
Plenful optimizes healthcare and pharmacy operations through intelligent workflow automation, data configuration and centralization, and machine learning. The company built a healthcare-focused AI automation platform to unburden staff, deliver meaningful financial and operational results, and drive more efficient patient care outcomes. Plenful is located in San Francisco, California and is backed by leading healthcare and software investors..

Koneksa Health

Private Placement in 2020
Koneksa Health is a healthcare data analytics company that helps researchers incorporate emerging technologies (bio-sensors, activity trackers, mobile-based questionnaires, etc.) into their clinical studies. Their Koneksa Compare software dashboard enables the collection, visualization, and analysis of these patient-generated data sets. Koneksa currently supports academic and life sciences researchers, expands the universe of data that can be analyzed while also removing subjective characteristics from clinical endpoints. It was founded in 2013 and is based in New York, United States.

Common Sensing

Private Placement in 2018
Common Sensing develops and manufactures data-driven hardware and software medical device solutions for diabetes care that foster education and communication for patients while delivering decision support for clinicians. Common Sensing has a team of talented designers and engineers to develop Gocap™, a smart cap that turns existing injector pens into smart injectors.