Company lists · Data refreshed October 2026

Top 17 Multispecialty medical groups based in Chicago, United States

RevenueBase identified 60 company matches for multispecialty medical groups associated with Chicago, United States as of October 2026 and tracks 19,257 professional contacts across them, including 6,281 with verified work emails. Across the United States, New York is the largest hub for this category (144 companies); Chicago has 60.

This list covers company matches for multispecialty medical groups associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 18, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 18, 2026 How this list was built
60Companies
19,257Contacts tracked
6,281Verified emails
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The 17 largest multispecialty medical groups based in Chicago, United States

Ranked by team size
Top 17 of 60 company matches for multispecialty medical groups based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202610001+10,447 contacts →

Exact match

“Inspired by faith.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202610001+3,301 contacts →

Exact match

“We’re a unified network of care dedicated to helping you feel whole in every aspect of your health and wellness.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Oct 18, 20261,001-5,0001,404 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Oct 18, 20261,001-5,0001,093 contacts →

Exact match

“WellNow Urgent Care is one of the fastest-growing providers of urgent medical care, virtual care, occupational health services and clinical research in the United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Oct 18, 2026501-1,000711 contacts →

Exact match

“Midwest Orthopaedics at RUSH (MOR) is an international leader in musculoskeletal health ranked top ten in the nation by U.S.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Oct 18, 2026501-1,000472 contacts →

Exact match

“At Weiss Memorial Hospital, we have been serving Chicago’s North Side and surrounding communities providing excellent health care services for over 60 years.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Oct 18, 20261,001-5,000458 contacts →

Exact match

“Northwestern Medical Faculty Foundation (the Foundation) is a premier, multi-specialty physician organization committed to providing high quality care to patients, and to…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Oct 18, 20261,001-5,000319 contacts →

Exact match

“Our Story, Our Mission to Serve Community First Medical Center’s mission is to provide compassionate medical and nursing care as well as advanced diagnostic and treatment services…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Oct 18, 2026501-1,000249 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-5044 contacts →

Exact match

“PROVIDENT HOSPITAL OF COOK COUNTY is a hospital & health care company based out of 430 E 50TH PL, CHICAGO, Illinois, United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-5025 contacts →

Exact match

“Vivia Health the only way to Care.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Oct 18, 20261-1025 contacts →

Exact match

“Private Multi-specialty medical group in Orland Park, IL”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-5017 contacts →

Exact match

“Northwestern Medicine is dedicated to providing the most advanced health care to the communities and patients we serve.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-5012 contacts →

Exact match

“Since 1964 the physicians of Midland Orthopedic Associates have provided our patients with the highest quality orthopedic care.Our board certified and fellowship trained…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-5011 contacts →

Exact match

“Rush Surgicenter Partnership is a hospital & health care company based out of 1725 W Harrison St # 556, Chicago, Illinois, United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-5010 contacts →

Exact match

“We are a primary care practice treating the whole continuum of care.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202611-501 contacts →

Exact match

“Established in 2014, Strongin Injury & Rehab Group is a premier provider of specialized rehabilitation services across the Chicagoland area.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 17 of 60 multispecialty medical groups based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 6,281 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multispecialty medical groups based in Chicago, United States at a glance

As of Oct 18, 2026
32.6%Verified-email coverage
320.9Average contacts per company
11-50Median size (employees)
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
17
51-200
5
501-1,000
5
1,001-5,000
5
5,001-10,000
2
10001+
4

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 60 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Chicago, United States whose business descriptions match “multispecialty medical groups” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 6,281 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 18, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “multispecialty medical groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multispecialty medical groups are there based in Chicago, United States?

RevenueBase identified 60 company matches for multispecialty medical groups associated with Chicago, United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Commonspirit Health tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most multispecialty medical groups?

New York leads the United States with 144 company records, followed by Houston (135) and Miami (85). Chicago has 60.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,281 professional contacts with verified work emails tracked across these 60 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 18, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.