Here are two ASC acquisitions Becker's has reported on since July 21:

Brentwood, Tenn.-based Surgery Partners is one of the largest ASC companies in the U.S., with more than 180 facilities and 4,000 physicians.

Deerfield Ill.-based SCA Health, formerly Surgical Care Affiliates, is one of the largest ASC chains in the country and operates under parent company Optum.

United Surgical Partners International, Dallas-based Tenet Healthcare's ASC chain, has seen huge growth in the last five years, becoming the largest chain in the country. The company has added more than 160 ASCs since 2015, when they had 249 centers.

A three-building medical office complex in Toledo, Ohio, has been sold, ReBusiness Online reported Aug. 3.

Nashville,Tenn.-based HCA Healthcare operates 184 hospitals and about 2,000 sites of care, including ASCs, freestanding ERs, urgent care centers and physician clinics in 21 states and the United Kingdom.

Here's a growth breakdown of five of the largest ASC chains in the last five years:

Brentwood, Tenn.-based Surgery Partners' revenue jumped 13.3 percent over last year's second quarter, to $615.4 million.

Here are five medical office deals Becker's has reported on since July 6:

Here are three of the biggest healthcare transactions Becker's has reported on since July 21:

Dallas-based Tenet Healthcare now owns 100 percent of United Surgical Partners International's voting shares, CEO Saum Sutaria, MD, said during a July 22 earnings call, according to Seeking Alpha.

Amazon's plan to acquire primary care provider company One Medical could raise costs for all medical groups and further alter the dynamics of physician recruiting and acquisitions, Forbes reported. 

Optum's $300 million purchase of Healthcare Associates of Texas, a Dallas-based physician practice management company, brings Optum's acquisition deal total this year to nearly $8 billion.

US Urology Partners acquired Ormond Beach-based Florida Urology Center, an ASCs Inc. affiliate.

Albany (N.Y.) Cardiothoracic Surgeons on July 1 joined St. Peter's Health Partners Medical Associates, an Albany-based multispecialty group with physicians in 17 specialties, according to the Albany Business Review.

As ASCs are becoming popular investments among both physicians and corporations, more ASCs across the country are partnering with or being acquired by larger ventures. 

Seven ASC leaders were asked what ASC competition will look like in five years. This is how they responded:

IRA Capital, a private equity firm, has acquired two medical office buildings in Vista, Calif., predominantly occupied by San Diego-based Scripps Health.

WellSpan Health has acquired an ownership stake in Hagerstown, Md.-based Parkway Surgery Center, the health system said July 19. 

Seven ASC leaders spoke with Becker's to discuss how competition in the ASC industry has shifted in the last five years.