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Cityblock's Overview

Total employees3
HeadquartersBrooklyn
Founded

Cityblock Health is a tech-driven healthcare company dedicated to providing high-quality, affordable, and personalized care to underserved communities, particularly those on Medicaid and dually eligible for Medicare and Medicaid. Founded in 2017, Cityblock integrates medical care, behavioral health, and social services, delivered by local care teams in neighborhoods. Their model leverages custom-built technology to empower care teams, identify member needs, and coordinate services effectively, aiming to improve health outcomes and reduce systemic inequities in healthcare.

Where is Cityblock's Headquarters?

HQ Function

The headquarters serves as the central hub for strategic leadership, technology development, data analytics, administrative functions, and national operational oversight.

Notable Features:

Located in a vibrant, revitalized area of Brooklyn, the office likely features modern, collaborative workspaces designed to foster innovation and support its mission-driven culture. Specific architectural details are not publicly highlighted.

Work Culture:

Cityblock Health fosters a mission-driven, innovative, and collaborative work culture. There is a strong emphasis on empathy, equity, and community impact, reflecting the populations they serve. Employees are often passionate about transforming healthcare.

HQ Significance:

The Brooklyn headquarters is significant as it grounds the company in a diverse urban environment, similar to many communities it serves. It centralizes core innovation and strategic decision-making, driving the company's national expansion and care model refinement.

Values Reflected in HQ: The headquarters' likely design for collaboration, its location in an innovative district, and its function as a nerve center for a community-focused mission reflect Cityblock's values of innovation, community, and impact.

Location:

Cityblock Health's operations are currently focused exclusively within the United States. The company establishes deep, community-based presences in various US cities and states to provide localized, integrated healthcare. While not 'global' in terms of operating in multiple countries, its central functions support a national network of care delivery, technology platforms, and partnerships aimed at transforming healthcare for underserved populations across America.

Street Address:

45 Main Street, Suite 800

City:

Brooklyn

State/Province:

NY

Country:

USA

Cityblock's Global Presence

New York (Statewide operations, multiple Neighborhood Hubs), USA

Address: Operations are primarily through Neighborhood Hubs and community-based teams; specific public-facing office addresses for these hubs are not centrally listed. HQ is in Brooklyn.

To serve Medicaid and dually eligible members in various New York communities, improving health outcomes and addressing social determinants of health through localized, accessible care.

Massachusetts (Statewide operations, multiple Neighborhood Hubs), USA

Address: Operations are primarily through Neighborhood Hubs and community-based teams; specific public-facing office addresses for these hubs are not centrally listed.

To provide personalized, community-based care for eligible members in Massachusetts, focusing on complex needs and improving overall well-being.

North Carolina (Statewide operations, multiple Neighborhood Hubs), USA

Address: Operations are primarily through Neighborhood Hubs and community-based teams; specific public-facing office addresses for these hubs are not centrally listed.

To bring integrated and equitable healthcare solutions to underserved populations across North Carolina, partnering with local health plans.

Ohio (Statewide operations, multiple Neighborhood Hubs), USA

Address: Operations are primarily through Neighborhood Hubs and community-based teams; specific public-facing office addresses for these hubs are not centrally listed.

To address the health needs of Medicaid and dually eligible individuals in Ohio through a community-focused, tech-enabled care delivery system.

Indiana (Statewide operations, multiple Neighborhood Hubs), USA

Address: Operations are primarily through Neighborhood Hubs and community-based teams; specific public-facing office addresses for these hubs are not centrally listed.

To extend Cityblock's model of care to Indiana, aiming to improve health outcomes and equity for vulnerable populations in the state.

Buying Intent Signals for Cityblock

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Cityblock

As of April 2025, Cityblock' leadership includes:

Toyin Ajayi, MD, MPhil - Co-Founder & Chief Executive Officer
Kameron Matthews, MD, JD, FAAFP - Chief Health Officer
Chris Grymes - Chief Financial Officer
Susan Shaker - Chief Operating Officer
Opeyemi (Opy) Laniyonu, JD - General Counsel and Chief People & Administrative Officer
Aree Phinyawatana - Chief Technology Officer

Investors of Cityblock

Cityblock has been backed by several prominent investors over the years, including:

General Catalyst
SoftBank Vision Fund 2
Tiger Global Management
Redpoint Ventures
Maverick Ventures
Thrive Capital
Kinnevik AB
Town Hall Ventures
Alphabet's Sidewalk Labs (incubator and seed investor)

Executive New Hires/Exits in the Last 12 Months

Hire4
Exits1

Cityblock Health significantly strengthened its C-suite in August 2023 with four key appointments: a new Chief Health Officer, Chief Financial Officer, Chief Operating Officer, and General Counsel & Chief People & Administrative Officer. This followed the earlier appointment of a new Chief Technology Officer in April 2023. These hires indicate a strategic build-out of its leadership team. One notable departure was the former CFO in July 2023, preceding the new CFO appointment.

Departures

Lianna Guzmán, Lianna Guzmán stepped down from her role as Chief Financial Officer.

New Appointments:

Kameron Matthews, MD, JD, FAAFP, Dr. Kameron Matthews appointed as new Chief Health Officer.
Chris Grymes, Chris Grymes appointed as new Chief Financial Officer.
Susan Shaker, Susan Shaker appointed as new Chief Operating Officer.
Opeyemi (Opy) Laniyonu, JD, Opeyemi Laniyonu appointed as new General Counsel and Chief People & Administrative Officer.

Technology (Tech Stack) used by Cityblock

Discover the tools Cityblock uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Cityblock Email Formats and Examples

Cityblock Health commonly uses the 'first.last@cityblock.com' email format. Other formats like 'firstinitiallast@cityblock.com' or 'first@cityblock.com' might exist but are less common.

first.last@cityblock.com

Format

jane.doe@cityblock.com

Example

85%

Success rate

News and media

Fierce HealthcareFebruary 7, 2024

Cityblock Health lays off 12% of staffers, latest digital health company to cut jobs

Cityblock Health conducted layoffs affecting approximately 12% of its workforce, or about 155 employees, as part of a restructuring effort to align resources with strategic priorities and ensure long-term sustainability in a challenging market....more

Cityblock Health Press Release / Industry NewsAugust 15, 2023

Cityblock Appoints New C-Suite Leaders to Propel Next Phase of Growth

Cityblock Health announced key additions to its C-suite, including Kameron Matthews as Chief Health Officer, Chris Grymes as Chief Financial Officer, Susan Shaker as Chief Operating Officer, and Opeyemi Laniyonu as General Counsel and Chief People & Administrative Officer, to support its continued growth and mission....more

Cityblock Health / PR NewswireJune 28, 2023

Cityblock Launches in Indiana to Provide Integrated Care for Hoosiers Eligible for Medicaid

Cityblock Health announced its expansion into Indiana, partnering with MDwise to provide comprehensive, community-based healthcare services to Medicaid-eligible residents in the state, furthering its reach in serving vulnerable populations....more

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