Company lists · Data refreshed September 2026

Top 25 Ambulatory surgery centers worldwide

RevenueBase identified 1,660 company matches for ambulatory surgery centers worldwide as of September 2026 and tracks 34,863 professional contacts across them, including 6,564 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for ambulatory surgery centers worldwide, 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 September 19, 2026. Country and city lists for ambulatory surgery centers follow the table.

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 Sep 19, 2026 How this list was built
1,660Companies
34,863Contacts tracked
6,564Verified emails
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The 25 largest ambulatory surgery centers worldwide

Ranked by team size
Top 25 of 1,660 company matches for ambulatory surgery centers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchDallas, TX, United StatesHQ recorded Sep 19, 202610001+2,181 contacts →

Exact match

“United Surgical Partners International (USPI) is the largest ambulatory surgery platform in the country and operates ambulatory surgery centers and surgical hospitals.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchGurgaon, IndiaHQ recorded Sep 19, 20261,001-5,0001,501 contacts →

Exact match

“Co-founded by Harsimarbir (Harsh) Singh, Dr.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBrentwood, TN, United StatesHQ recorded Sep 19, 202610001+1,340 contacts →

Exact match

“Surgery Partners is a leading operator of surgical facilities and ancillary services with more than 180 locations nationwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchNashville, TN, United StatesHQ recorded Sep 19, 20261,001-5,000971 contacts →

Exact match

“AMSURG is an independent leader in ambulatory surgery center services, operating a network of more than 250 surgery centers nationwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchBegumpet, IndiaHQ recorded Sep 19, 2026201-500543 contacts →

Exact match

“Apollo Spectra came into existence to provide world-class facilities to patients for elective surgeries at a reasonable cost, under the parent institution of Apollo Group.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Sep 19, 2026501-1,000416 contacts →

Exact match

“Novomed is the largest elective healthcare provider in the UAE.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 19, 2026201-500404 contacts →

Exact match

“Burjeel Day Surgery Center, Al Reem Island, Abu Dhabi.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchPhoenix, AZ, United StatesHQ recorded Sep 19, 20261,001-5,000380 contacts →

Exact match

“Atlas Healthcare Partners is an ambulatory surgery center (ASC) development and management company headquartered in Phoenix, Arizona.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchSt. Louis, MO, United StatesHQ recorded Sep 19, 20261,001-5,000353 contacts →

Exact match

“Surgery-focused.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchLas Cruces, United StatesHQ recorded Sep 19, 20261,001-5,000316 contacts →

Exact match

“MountainView Regional Medical Center is your community healthcare provider.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchMilan, ItalyHQ recorded Sep 19, 2026501-1,000316 contacts →

Exact match

“L'Istituto Clinico Città Studi è una struttura privata ad indirizzo polispecialistico che opera sia in regime di accreditamento con il Servizio Sanitario Nazionale (SSN) che in…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchNorthbrook, IL, United StatesHQ recorded Sep 19, 202651-200311 contacts →

Exact match

“USA Clinics Group is an integrated ambulatory healthcare system that provides patient-centered health services at over 160 outpatient clinics across the United States.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchGenoa, ItalyHQ recorded Sep 19, 2026501-1,000305 contacts →

Exact match

“CDS | La tua casa della salute – Fondata nel 2013, CDS è un network di poliambulatori specialistici, diagnostici, odontoiatrici e fisiokinesiterapici nato con l’obiettivo di…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchAl-khobar, Saudi ArabiaHQ recorded Sep 19, 2026501-1,000279 contacts →

Exact match

“Late Mohammad Bin Hamad Ali Dossary, God bless his Soul, was one of the pioneer’s who implemented contracts for Saudi Arabia Oil Company (Aramco).”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 19, 202651-200275 contacts →

Exact match

“Harley Street Medical Centre has provided Abu Dhabi with quality healthcare since 2012 and has grown to become one of the leading multispecialty centre in the region.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLyon, FranceHQ recorded Sep 19, 2026201-500263 contacts →

Exact match

“Fondée au début des années 80, la clinique est historiquement reconnue pour sa vocation en orthopédie.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 19, 2026501-1,000251 contacts →

Exact match

“At Blue Cloud, our mission is expanding access to safe and affordable restorative dentistry and oral surgery.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Sep 19, 2026501-1,000248 contacts →

Exact match

“An idea to change healthcare in the Mahoning Valley… The Surgical Hospital at Southwoods was created in 1996 with a singular purpose – to create a healthcare facility for our…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchQuito, EcuadorHQ recorded Sep 19, 2026201-500236 contacts →

Exact match

“SIME Sistemas Médicos nace en el año 1996.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchBrentwood, TN, IndiaHQ recorded Sep 19, 20261,001-5,000216 contacts →

Exact match

“Symbion is a leading operator of short-stay surgical facilities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchLincoln, NE, United StatesHQ recorded Sep 19, 2026201-500208 contacts →

Exact match

“Lincoln Surgical Hospital is among 250 surgical specialty hospitals in the United States and one of the only multi-specialty surgical hospitals in Nebraska.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 19, 202651-200181 contacts →

Exact match

“The new private one-day surgery center offering both inpatient and outpatient services was set up through the partnership of a group of renowned surgeons and physicians in Abu…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchPinehurst, NC, United StatesHQ recorded Sep 19, 2026501-1,000175 contacts →

Exact match

“In 1946, physicians Clement R.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchHeemstede, NetherlandsHQ recorded Sep 19, 2026201-500159 contacts →

Exact match

“Snel, Persoonlijk & Verzekerd zonder eigen bijdrage.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchDoha, QatarHQ recorded Sep 19, 2026201-500152 contacts →

Exact match

“West Bay Medicare is a one-day surgery centre located in the heart of Doha.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,660 ambulatory surgery centers worldwide

See the full list, filter by size, metro and specialty, and access 6,564 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ambulatory surgery centers worldwide at a glance

As of Sep 19, 2026
18.8%Verified-email coverage
21.0Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
573
11-50
660
51-200
301
201-500
70
501-1,000
25
1,001-5,000
14
5,001-10,000
2
10001+
5

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for ambulatory surgery centers are linked below.
What qualifies
Company records worldwide whose business descriptions match “ambulatory surgery centers” 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. 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 6,564 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 September 19, 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.

Ambulatory surgery centers by location

6 lists · largest first

Every Ambulatory surgery centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “ambulatory surgery centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ambulatory surgery centers are there worldwide?

RevenueBase identified 1,660 company matches for ambulatory surgery centers worldwide as of September 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?

United Surgical Partners International, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ambulatory surgery centers?

The United States leads with 903 companies, followed by Germany (76) and Italy (68). Every ambulatory surgery centers list by country and city is linked on this page.

Which city has the most ambulatory surgery centers?

Houston leads with 16 company records, followed by New York (15) and Dallas (14).

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 6,564 professional contacts with verified work emails tracked across these 1,660 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 September 19, 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.