Startup profile for Zus Health: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Zus Health funding, valuation and investors

Shared health data platform giving digital health builders a common patient record (ZAP).

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Growth

$40M · March 2023

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$74M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

series a · Boston, MA

Investors in latest funding

Other: Andreessen Horowitz , F-Prime Capital

Sources: latest funding Last verified: 2026-07-25

Overview

Zus Health, founded in 2020 by Jonathan Bush (co-founder of athenahealth), provides a shared health data platform that aggregates patient records into a Zus Aggregated Profile (ZAP) delivered via API, embedded components, and EHR integrations. The Boston/Watertown company raised $34M Series A in June 2021 led by Andreessen Horowitz with F-Prime Capital, Maverick Ventures, and others, then $40M in March 2023 with Jazz Venture Partners, a16z, F-Prime, and Maverick participating. Zus partners with HIEs and data networks covering 270M+ patients across 70K+ provider sites per company materials.

Why Zus Health is interesting

Bush's second act attacks health data fragmentation with a 'Build-a-Bear for EMR' SDK — infrastructure for digital health apps instead of another point solution.

Product & use cases

FHIR-native multi-tenant health record infrastructure plus developer tools so startups embed unified patient context without rebuilding interoperability pipes.

  • Digital health apps pulling consolidated patient history
  • EHR integrations surfacing external records at point of care
  • Care coordination across provider networks

Key facts

  • Founded 2020 by Jonathan Bush
  • Series A (Jun 2021): $34M led by a16z (TechCrunch)
  • Mar 2023: $40M financing; Elation Health partnership
  • ~$74M total raised; 270M+ patient network cited

Funding history (newest first)

Investors in our directory

Funds linked from Zus Health's profile — open a fund page for stage focus and related deal articles.

Competitive landscape

Edge: Founder credibility from athenahealth plus pre-built ZAP identity matching and FHIR aggregation layer for builders.

Interoperability middleware is crowded post-21st Century Cures, but Zus targets builders who need a shared record backend. Moat depends on data source breadth and embedding in digital health workflows versus one-off record requests.

  • Health Gorilla direct

    Health data network APIs for providers and apps.

  • Particle Health direct

    Record retrieval APIs for digital health.

  • Epic Cosmos / EHR-native networks incumbent

    Incumbent EHR data sharing; slower for startups.

Notable stories

  • TechCrunch described Zus as a 'fancy Google Doc for healthcare' at launch with Firefly Health, Cityblock, and Oak Street among early partners.
  • Bush launched Zus after his MDP program at athenahealth to enable builders without rebuilding EMR infrastructure.

Industries

Healthtech Enterprise SaaS

FAQs about Zus Health

Practical answers founders, operators, and investors typically search for.

Shared health data platform aggregating patient records into ZAP profiles via API and EHR integrations.
Jonathan Bush, co-founder and former CEO of athenahealth.
a16z led the Series A; F-Prime participated in both rounds. See /fund/andreessen-horowitz and /fund/f-prime-capital.
About $74M across the 2021 Series A and 2023 financing per press.
Zus Aggregated Profile — unified actionable patient record from fragmented sources.
Company was briefly known as Zeus Healthcare Technologies before Zus branding.
Both offer record aggregation APIs; Zus emphasizes builder SDK and shared development platform.
Boston/Watertown, Massachusetts.
No — it provides shared data infrastructure digital health apps and EHRs integrate.
Private; profitability not disclosed.

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.