Startup profile for Ribbon 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

Ribbon Health funding, valuation and investors

Healthcare provider data API for accurate directories, insurance, and referrals.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series B

$43.5M · November 2021

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$44M

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

Current status

acquired

acquired · New York, USA

Investors in latest funding

Lead: General Catalyst

Other: Andreessen Horowitz

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

Overview

Ribbon Health (formerly HealthWiz) aggregated and normalized provider data — specialties, insurance acceptance, locations — via API for payers, digital health apps, and referral workflows. a16z participated in Series B ($43.5M, Nov 2021) led by General Catalyst. H1 acquired Ribbon in January 2025 per TechCrunch, combining provider data with H1's physician intelligence platform.

Why Ribbon Health is interesting

a16z and General Catalyst backed provider directory infra — acquired by H1 (Jan 2025) after $43.5M Series B solved 'wrong phone number' problem in health plan directories.

Product & use cases

Ribbon API delivered real-time provider directory data with insurance network matching — fixing stale NPI database problems for care navigation apps.

  • Health plan provider directory accuracy
  • Care navigation app provider search
  • Referral workflow insurance verification
  • Digital health onboarding provider matching

Key facts

  • Acquired by H1 (Jan 2025) — TechCrunch
  • Series B (Nov 2021): $43.5M led by General Catalyst
  • Provider data API for payers and digital health
  • a16z participated in Series B

Funding history (newest first)

Investors in our directory

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

Competitive landscape

Edge: Data normalization quality across fragmented NPI, payer, and provider sources.

Provider data infrastructure is unglamorous but critical for ACA directory accuracy rules. H1 acquisition consolidates physician intelligence + directory API.

  • Definitive Healthcare incumbent

    Provider commercial intelligence at scale.

  • Healthgrades / Zocdoc data adjacent

    Consumer-facing provider data.

  • Internal payer directories incumbent

    Manual curation; often inaccurate.

Notable stories

  • Ribbon tackled CMS directory accuracy mandates — stale provider data cost payers fines and blocked patient access.

Industries

Healthtech Enterprise SaaS Infrastructure & Cloud

FAQs about Ribbon Health

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

Ribbon provided APIs for accurate healthcare provider directory and insurance data.
H1 acquired Ribbon in January 2025 per TechCrunch.
General Catalyst (/fund/general-catalyst) led Series B. a16z (/fund/andreessen-horowitz) participated.
No — acquired by H1 in 2025.
Provider search, insurance network matching, and referral workflows in health apps.
November 2021 — $43.5M.
Ribbon API-first for apps; Definitive broader commercial intelligence platform.
Nate Maslak and Noah Leask co-founded Ribbon (formerly HealthWiz).
H1 combined physician intelligence with Ribbon's directory infrastructure for health enterprise customers.
$43.5M Series B plus earlier seed/Series A.

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.