When was Cityblock founded?

Cityblock was founded in 2017 and became a unicorn in 2021.

Where is Cityblock located?

Cityblock is headquartered in Brooklyn, United States. It is registered at Brooklyn, New York.

Who is the current CEO of Cityblock?

Toyin Ajayi of Cityblock. They have also founded 1 company and are angel investors in 7 startups, including .

How many employees does Cityblock have?

As of May 31, 2026, the latest employee count at Cityblock is 800.

Is Cityblock a funded company?

Cityblock is a funded company, having raised a total of $900M across 6 funding rounds to date. The company's 1st funding round was a $20.8M Series A round, raised on Dec 20, 2017.

How much is Cityblock worth?

The latest valuation of Cityblock is $5.7B as of Sep 03, 2021.

When was the latest funding round of Cityblock?

Cityblock's latest funding was a $400M Series D round on Sep 03, 2021, with participation from 1 investor.

Is Cityblock a Clinic Chains company?

The primary sector of Cityblock is Clinic Chains.

Where does Cityblock rank among its competitors?

Cityblock ranks 1st amongst 964 active competitors, of which 49 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was Cook Children's, which secured $1.02M in Dec, 2025.

Who are the top competitors of Cityblock?

Cityblock's top competitors include Oak Street Health, Mayo Clinic and Stanford Health Care. Among them, Cook Children's secured the most recent funding round in December, 2025.

Cityblock - 2026 Company Profile, Team, Funding & Competitors

Sectors and market segments that Cityblock operate in

Cityblock serves in the Healthcare market segments.The primary business model of Cityblock is:

Healthcare > Clinic Chains > ***** **** > ***** ******

Company Details

Cityblock Health provides a chain of tech-heavy clinics for multiple healthcare solutions for patients. The company develops healthcare technology solutions that enable low-income urban residents to get personalized care. The company partners with community-based organizations, health plans, and other risk-bearing providers to design and deploy personalized care for every member of a community. Users can access the professional for medical care, mental healthcare, and community support.

Website: www.cityblock.com/
Social
Email ID: *****@cityblock.com
Registered Address: Brooklyn, New York

Key Metrics

Founded Year

2017

Location

Brooklyn, United States

Stage

Series D

Total Funding

$900M in 6 rounds

Latest Funding Round

Series D, Sep 03, 2021, $400M

Post Money Valuation

$5.7B as on Sep 03, 2021

Investors

Redpoint Ventures & 27 more

Ranked

1^st among 964 active competitors

Employee Count

800 as on May 31, 2026

Investment & Acquisitions

Miga

Similar Companies

Fullerton Health & 2200 more

View Cityblock's full profile

Cityblock is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
CITYBLOCK HEALTH, INC CIN: 822839581 , United States, Active	Dec 26, 999	-	664 (As on Dec 31, 2024)	-

Cityblock has raised a total funding of $900M over 6 rounds. Its first funding round was on Dec 20, 2017. Its latest funding round was a Series D round on Sep 03, 2021 for $400M. 1 investor participated in its latest round. Cityblock has 28 institutional investors.

Here is the list of recent funding rounds of Cityblock:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 03, 2021	$400M	Series D	$5.7B	-	SoftBank Group	-
Mar 15, 2021	$192M	Series C	$5.7B	-	Tiger Global Management	General Catalyst, Maverick Ventures, Thrive Capital, Redpoint Ventures, Wellington, Kinnevik, Echo Health Ventures, 8VC
Dec 09, 2020	$160M	Series C	$1B	-	General Catalyst	Wellington, Kinnevik, Maverick Ventures, Thrive Capital, 8VC, Echo Health Ventures, Redpoint Ventures, EmblemHealth, Goldman Sachs

Access funding benchmarks and valuations. Sign up today!

View details of Cityblock's funding rounds and investors

The founders of Cityblock are Toyin Ajayi, Bay Gross and Mat Balez. Toyin Ajayi is the CEO of Cityblock.

Here are the details of Cityblock's key team members:

Toyin Ajayi: Co-Founder & CEO of Cityblock. They are also an angel investor in 7 startups and serve on the board of 1 company.
Contact Info: 1 email address
Bay Gross: Co-founder, Chief Product Officer of Cityblock. They are also an angel investor in 2 startups.
Mat Balez: Co-Founder of Cityblock.

Cityblock's Board of Directors

Cityblock's board has 16 active members. Hemant Taneja, Vivek Garipalli, Toyin Ajayi, Andy Slavitt, Susan Brown, Nagraj Kashyap, Wendy Chow, Elliot Geidt, Yvette Bright, Daniel Doctoroff, Chris Bischoff, Deval Patrick, Ambar Bhattacharyya, Andrea Blankmeyer, Iyah Romm and Jennifer Schneider D are independent board members.

Here is the list of Cityblock's board of directors:

Name	Type	Representing	Status	Duration
Hemant Taneja	Independent board member	-	Current	5y 5m
Vivek Garipalli	Independent board member	-	Current	8y 4m
Toyin Ajayi	Independent board member	-	Current	5y 10m
Andy Slavitt	Independent board member	-	Current	8y 4m
Susan Brown	Independent board member	-	Current	4y 8m
Nagraj Kashyap	Independent board member	-	Current	4y 8m
Wendy Chow	Independent board member	-	Current	5y 10m
Elliot Geidt	Independent board member	-	Current	7y 1m
Yvette Bright	Independent board member	-	Current	4y 8m
Daniel Doctoroff	Independent board member	-	Current	8y 4m
Chris Bischoff	Independent board member	-	Current	5y 10m
Deval Patrick	Independent board member	-	Current	4y 8m
Ambar Bhattacharyya	Independent board member	-	Current	8y 4m
Andrea Blankmeyer	Independent board member	-	Current	5y 5m
Iyah Romm	Independent board member	-	Current	8y 4m
Jennifer Schneider D	Independent board member	-	Current	5y 1m

View details of Cityblock's Founder profiles and Board Members

Cityblock's employee count trend

Cityblock has 800 employees as of May 26. Here is Cityblock's employee count trend over the years:

Uncover Cityblock's growth story! Sign up today!

Access Tracxn on any website

Our Google Chrome extension lets you view company details while browsing their websites

Install Tracxn Extension

Top competitors of Cityblock include Oak Street Health, Mayo Clinic and Stanford Health Care. Here is the list of Top 10 competitors of Cityblock, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Cityblock 2017, Brooklyn (United States), Series D	Provider of tech-heavy clinics for multiple healthcare solutions for patients	$900M	Wellington, SoftBank Group & 26 others	69/100
2nd	Oak Street Health 2012, Chicago (United States), Acquired	Provider of senior care services	$201M	Harbour Point Capital, HTIF & 8 others	67/100
3rd	Mayo Clinic 1864, United States, Funding Raised	Chain of general clinics	-	Three Fields Capital, Oxeon Partners & 7 others	66/100
4th	Stanford Health Care 1885, Stanford (United States), Funding Raised	Chain of general clinics	-	HHS	64/100
5th	NextCare 1993, Mesa (United States), Acquired	Chain of urgent care clinics	$57.2M	Maranon Capital, Crescent Capital BDC & 2 others	62/100
6th	Duly Health and Care 1999, Downers Grove (United States), Late Stage	Chain of general clinics	$1.51B	Ares Management, Athyrium Capital Management ... & 2 others	60/100
7th	Kelsey-Seybold Clinic 1949, Houston (United States), Late Stage	Chain of general clinics	-	TPG, Golden Valley Capital	57/100
8th	Cook Children's 1918, Fort Worth (United States), Funding Raised	Chain of multi-speciality clinics	-	HHS, HRSA	57/100
9th	Grady Health System 1892, Atlanta (United States), Funding Raised	Chain of multi-speciality clinics	-	Military Health, HHS & 1 others	55/100
10th	HerMD 2019, Cincinnati (United States), Acquired	Chain of aesthetics clinics	$36.4M	JAZZ Venture Partners, B-FLEXION & 1 others	55/100