Nearly 150 ASCs have been opened or announced since January. Here's a state-by-state breakdown:
Alabama
A medical office building with an ASC is planned for the area where Auburn University is developing a health sciences cluster.
Arizona
Phoenix-based OrthoArizona and Addison, Texas-based United Surgical Partners International moved into a new medical office building and ASC in Gilbert.
Flagstaff Bone & Joint is expanding its footprint with The Flagstaff Bone & Joint Ambulatory Surgical Center and medical office building.
Scottsdale-based HonorHealth will build an ASC at Phoenix-based Sonoran Health and Emergency Center once construction on its new hospital is complete.
Phoenix-based National Cardiovascular Management is developing a medical campus that will feature a multispecialty ASC.
California
Santa Monica-based Source Healthcare plans to open an ASC, according to Founder Tim Davis, MD.
UC Davis Medical Center in Sacramento opened a children's surgery center.
Industry-based IQ Laser Vision opened an ASC in April.
Oakland-based Kaiser Permanente opened its new Dublin Medical Offices and Cancer Center, a 226,000-square-foot multispecialty complex, in May. The complex includes a medical office building, a cancer center, an ASC and an urgent care clinic.
Queen of the Valley Hospital in West Covina proposed a multiyear development project that would bring an ASC to the area by 2022.
Colorado
UCHealth Yampa Valley Medical Center and Steamboat Orthopaedic & Spine Institute, both based in Steamboat Springs, are collaborating on an orthopedic ASC project.
Centennial-based Centura Health plans to expand its Colorado Springs presence with a 50-bed acute care hospital and an ASC.
Developers placed the last beam on Denver Health Outpatient Medical Center, which features a day surgery center, an on-site pharmacy, lab services and a radiology center.
An ASC will occupy space in a new 102,000-square-foot medical office development in Englewood called Synergy Medical.
Connecticut
Orthopedic Associates of Hartford opened a $30 million facility in Rocky Hill.
Yale New Haven Health is accepting patients at its new ASC in Guilford.
Delaware
Lewes-based Beebe Healthcare is building a four-story surgery center in Rehoboth Beach.
Florida
Orlando Health's South Lake Hospital Center for Specialty Surgery in Clermont is taking shape. The 28,696-square-foot outpatient surgery center will offer orthopedic, podiatry and pain management procedures.
Casto Southeast Realty Services is developing a $24 million medical office building complex, which will house a 13,000-square-foot surgery and imaging center.
The University of Miami Health System is constructing an outpatient medical facility in North Miami. The UHealth Medical Center at SoLé Mia will include ambulatory surgery suites, as well as cancer and eye specialists.
Orlando Health South Lake Hospital in Clermont broke ground on a 29,000-square-foot surgery center March 27.
Baptist Health South Florida has big plans — including ASCs — for its new affiliate, Boca Raton Regional Hospital.
Multiple physician groups will lease space in a 77,000-square-foot medical office center underway in Sarasota.
Construction of the Fort Myers-based Performance Health Surgery Center wrapped up. Raleigh, N.C.-based Compass Surgical Partners and Fort Myers-based Joint Implant Surgeons of Florida were partners in the development.
Construction has wrapped up on a $6 million ASC project near The Villages. The 9,850-square-foot Outpatient Surgery Center of Central Florida is a hybrid ASC and office.
Towson, Md.-based SurgCenter Development marked its 200th ASC partnership with the formation of SurgCenter of Clearwater.
Compass Surgical Partners formed Tampa-based Legacy Surgery Center in partnership with a group of physicians.
Brentwood, Tenn.-based Surgery Partners opened an ASC in Tampa.
Compass Surgical Partners opened Skyway Surgery Center in St. Petersburg in partnership with a group of independent neurosurgeons, orthopedic surgeons and pain management specialists.
Georgia
Northeast Georgia Medical Center Braselton is building an ASC as part of a bevy of expansions.
Macon-based Georgia Arrhythmia Consultants and Research Institute wants to build a cardiology-electrophysiology ASC in Warner Robins.
Southeast Regional Surgery Center is developing a single-specialty ASC in Columbus.
Marietta-based WellStar Health System opened a multispecialty outpatient surgery center at WellStar Acworth Health Park on July 15.
Illinois
The joint-venture Champaign Surgery Center opened in February, replacing the older Champaign SurgiCenter.
Quincy Medical Group is developing a surgery center in Quincy Mall.
Chicago-based River North Surgery Center is seeking state permission to establish an ASC.
Anderson Healthcare will add an ASC and pediatric clinic to its Edwardsville campus in an $8.5 million expansion.
Surgery Partners completed its new ASC in St. Charles.
Blessing Health System in Quincy received approval to build a medical office building and an ASC next to its campus.
Indiana
Muncie-based Central Indiana Orthopedics began building a facility in MedTech Park, a 37-acre business development in Fishers.
Local leaders broke ground on a $4 million facility in Jeffersonville that will primarily house River Ridge Surgical Suites.
Indianapolis-based IU Health is building a surgical center across the street from Lutheran Hospital in Fort Wayne.
Kansas
The University of Kansas Health System in Kansas City opened Indian Creek Ambulatory Surgery Center, a facility with seven operating rooms and two procedure rooms.
Kentucky
TriStar Greenview Regional Hospital is opening a $10 million ASC in partnership with Graves Gilbert Clinic and three physicians. Both organizations are based in Bowling Green.
Lexington Surgery Center's new facility opened near UK HealthCare at Turfland. Lexington Surgery Center is a joint venture between UK HealthCare and Deerfield, Ill.-based Surgical Care Affiliates.
Louisiana
New Orleans-based LCMC Health opened Ridgelake Health Center in Metairie as part of a $400 million expansion involving two surgery centers.
A new ASC is in development at Baton Rouge General's Center for Health.
Maine
A group of surgeons opened Downeast Surgery Center in Bangor on April 17.
Maryland
Easton-based University of Maryland Shore Regional Health gained permission to convert Cambridge-based UM Shore Medical Center at Dorchester into a freestanding medical facility that will include an ASC.
Massachusetts
Melrose-based Melrose-Wakefield Healthcare received state approval to build a $16 million ASC at Medford-based Lawrence Memorial Hospital.
Worcester-based management services organization Reliant Medical Group plans to develop a joint venture ASC in Natick.
Ophthalmic Consultants of Boston opened its 10th location, an ASC, in Falmouth.
Michigan
The Hasting Planning Commission approved Hastings-based Spectrum Health Pennock Hospital's $12 million surgical center proposal.
Henry Ford Allegiance Health in Jackson developed plans for a new outpatient surgery center in Grass Lake.
Alliance Surgery Center will be SurgCenter Development's fifth location in Michigan when construction wraps up in November.
SurgCenter Development received approval from the city plan commission to build a surgery center in Boyne City.
Construction of a new orthopedics-focused ASC began in May in Grand Traverse County.
Work on the joint-venture Grass Lake Surgery Center is progressing according to plan. The center is being built by a group of local neuro and orthopedic surgeons, who partnered with Henry Ford Allegiance Health and Brighton-based Advanced Orthopedic Specialists.
Minnesota
Northfield Hospital & Clinics has a Lakeville-based ASC project in the works.
Mississippi
Madison-based Capital Ortho's new Flowood-based campus houses the Specialty Surgical Center.
Tupelo-based Specialty Orthopedic Group opened a 33,000-square-foot practice with an outpatient surgery center.
Missouri
Medical Facilities Corp. and Leawood, Kan.-based NueHealth partnered with St. Luke's Hospital in Chesterfield to develop a new ASC.
Montana
Missoula-based Providence Montana has a multimillion dollar development in the works that will feature an outpatient surgery center.
Bozeman city commissioners approved Bozeman Health's $20 million same-day surgery center and clinic project July 1.
Missoula-based Providence St. Patrick Hospital started work on a $126 million outpatient building that will include an ASC.
Nebraska
The two-story Riverview Surgical Center in South Sioux City is taking shape.
Nevada
Las Vegas-based Mountain's Edge Hospital completed a $7 million project that expands its orthopedic services with the addition of Mountain's Edge Hospital Orthopedic Surgery Center.
New Hampshire
The Dartmouth-Hitchcock health system broke ground May 14 on a major expansion in Manchester.
A new joint venture ASC is set to open in Derry in 2020..
New Jersey
Cape May-based Cape Regional Health System is building a 19,000-square-foot ASC on its main campus.
New Mexico
Albuquerque-based Presbyterian Healthcare Services is opening three ASCs, including one that could be the region's largest.
Alamogordo-based Gerald Champion Regional Medical Center broke ground Aug. 9 on a medical office complex that will house a surgery center.
New York
OrthoNY, Albany ENT & Allergy Services and St. Peter's Hospital, all based in Albany, were given approval to build an outpatient surgery center.
A group of Buffalo neurosurgeons received preliminary approval for their $7.8 million surgery center.
Schenectady-based Ellis Medical Center received approval to add an ASC to its existing building.
New Hyde Park-based Northwell Health is building a facility that will house an ASC.
Albany Medical Center and Saratoga Springs-based Saratoga Hospital joined forces to build an outpatient surgery center primarily devoted to joint surgeries in Albany.
Ulster-based HealthQuest Medical Practice is building a primary care office and an ASC in a former Macy's.
New York City-based Kofinas Fertility Group opened New York's first standalone reproductive ASC.
Syracuse Orthopedic Specialists opened an ASC with more space to accommodate joint replacement procedures.
A $5.5 million ASC is being built at NYC Health + Hospitals/Elmhurst in New York City's Queens borough.
Rochester-based Cornerstone Eye Associates broke ground on a new ASC Sept. 5.
North Carolina
Pardee UNC Health Care's planned $16 million ASC in Mills River is part of the nonprofit hospital's strategy for adapting to healthcare consumerism.
After suing for independence from Atrium Health in 2018, Tryon Medical Partners has opened a $2.8 million gastroenterology ASC in Charlotte.
Construction on Granite Falls-based Prime Surgical Suites is nearing completion, according to orthopedic spine surgeon Matthew Hannibal, MD. It is expected to open in late 2019.
Compass Surgical Partners and a group of local surgeons gained clearance to build a multispecialty ASC in Winston-Salem.
Lenoir-based Caldwell UNC Health Care and a group of eight surgeons collaborated on a $7.1 million ASC.
A new ASC and medical office building in Mooresville occupies 31,000 square feet.
Winston-Salem-based Wake Forest Baptist Health opened a newly expanded ASC at West Columbia-based Lexington Medical Center.
North Dakota
Surgery Center Services of America began work on a 33,000-square-foot ASC in Bismarck.
Construction wrapped up on a 36,450-square-foot surgical facility for Bismarck Surgical Associates.
The new Unity Medical Center facility in Grafton will feature a surgery center, rehabilitation services and an emergency room.
Ohio
Akron-based The Orthopaedic Surgery Center broke ground on a bigger, $7 million facility in Boardman.
Canton-based Omni Orthopaedics broke ground on a surgery center development in Jackson Township on April 27.
Columbus-based The Ohio State University Wexner Medical Center sought approval to expand its ambulatory care network by building a large outpatient care center in Dublin. Wexner Medical Center's northeast Columbus campus development will include an urgent care and an outpatient surgery center.
Norwalk-based Fisher-Titus Medical Center and area surgeons partnered to develop a regional surgery center.
UH Mayfield Village Medical Center sought permission to rezone part of its land to build an outpatient surgery center and medical office building.
William L. Camp, MD, and Alexandra Zhang, MD, left their health systems to start Lucent Dermatology and Skin Surgery Center, a private dermatology practice in Beachwood.
Oklahoma
Oklahoma City-based McBride Orthopedic Hospital opened an outpatient surgery center in early June.
Plans for a joint-venture outpatient facility in Tahlequah, Okla., include an ASC, a dental facility, six eye exam rooms and three audiology testing booths.
Pennsylvania
York-based WellSpan Health opened an outpatient surgery center in Hanover on March 4.
An outpatient pavilion featuring an ASC is coming to Doylestown Health's campus.
Beaver-based Heritage Valley Health System opened its 59,000-square-foot outpatient "medical neighborhood" in Center Township.
Lakeway,Texas-based Muve Health plans to open a total joint replacement ASC in West Chester as part of its growth strategy.
Doylestown Surgery Center is expected to open in mid-2020.
Pennsylvania awarded WellSpan Health a $500,000 grant for its Health and Surgery Center project in North Cornwall Township.
Rhode Island
Providence-based Ortho Rhode Island, Calspan and the Carpionato Group held a groundbreaking for Ortho Rhode Island's medical office building and surgery center in Warwick.
South Carolina
Greenville-based Jervey Eye Group opened a new facility for advanced intraocular surgery and eye care services.
Charleston-based Medical University of South Carolina plans to open an ASC in a former mall.
Conway Medical Center leaders applied for a certificate of need to house an ASC on the second floor of a three-story building under development in Socastee.
Greenwood-based Self Regional Healthcare opened its remodeled women-focused surgery center.
Tennessee
Kingsport-based Holston Medical Group reopened an outpatient surgery center in January, after the Bristol-based facility shut its doors in August 2018.
Nashville-based Vanderbilt University Medical Center is building a 37,500-square-foot pediatric clinic and ASC in Murfreesboro.
Memphis-based Campbell Clinic completed an expansion that includes an ASC.
Brentwood-based TriStar Health is moving forward with a $17.3 million surgery center development after fierce opposition from competitors delayed the project for over a year.
The Bone and Joint Institute of Tennessee — a partnership between Franklin-based Williamson Medical Center and more than a dozen orthopedic surgeons — opened its new facility April 29.
Knoxville-based Tennova Healthcare opened an ASC in early June, nearly a year after cutting certain services at Lakeway Regional Hospital. Tennova also received state approval for a multispecialty ASC project in Talbott.
A group of more than a dozen surgeons is seeking permission to establish a $4.6 million ASC in Nashville.
Texas
San Antonio-based Mission Trail Baptist Hospital opened a surgery center to accommodate an increase in surgeries.
Nueces Clinic and Surgery Center will anchor a planned two-story development in Plano. The building will feature an ASC with four operating rooms, office space and a diagnostic area.
Houston-based MD Anderson Cancer Center is developing a 260,000-square-foot outpatient center in Katy.
The Denison Planning and Zoning Commission approved plans for a maxillofacial and oral surgery center near Denison-based Texoma Medical Center.
Doctors United Surgery Center opened a facility in Pasadena.
Medical City Frisco broke ground on a 150,000-square-foot, $37 million medical office building and ASC project Feb. 27.
Dallas-based North Central Surgical Center's ASC portion opened in March.
Dallas-based Baylor Scott & White Medical Center opened The Grobowsky Surgical Center in Temple.
Fort Worth-based Cook Children's Health System is constructing a surgery center in Frisco.
A 10-physician group is building a multispecialty ASC in one of North Texas' fastest-growing communities.
The San Antonio Orthopaedic Group got financial backing to construct a flagship medical office building with a 39,000-square-foot ASC.
Construction on Anna Ambulatory Surgery Center began in May.
A local physician and 20 physician partners announced plans to develop a medical complex in Orange County that would feature a medical office building, a surgical center, an imaging center and an oncology center.
Joint replacement surgeon Stefan Kreuzer, MD, opened a surgery center in Houston.
A new heart clinic and ASC opened in Fort Worth.
Integrated Pain Associates is converting a sports medicine and spine practice in Abilene into a new ASC for $3 million. IPA has other locations in Temple and Waco.
Vermont
Colchester-based Green Mountain Surgery Center lead investor Amy Cooper held a ribbon-cutting for the state's first ASC March 22.
Virginia
Mike Golpa, DDS, a dentist practicing in Southern California, opened Golpa Dental Implants Surgery Center.
Three organizations teamed up to develop a $14 million medical office building and ASC in Suffolk.
Roanoke Valley Center for Sight opened a location in Martinsville on Sept. 26. The site includes a dedicated center for cataract surgery that can handle up to 30 surgeries a day.
Washington
The Washington Department of Health approved Walla Walla Clinic's proposal to open its surgery center to community physicians.
Kadlec Surgery Center is coming to Richland.
Seattle-based Virginia Mason Medical Center won conditional approval to build a freestanding ASC for $19.4 million.
Vancouver Clinic was granted approval for a new ASC.
A building in Snohomish will be remodeled to house a dental surgery center. Station 19 bought the 9,660-square-foot professional space for $4.5 million.
West Virginia
Fairmont-based Valley Health System and East Mountain Health Physicians partnered to build a 40,000-square-foot ambulatory care center in Martinsburg.
Wheeling Hospital revealed plans to open an ASC in Bridgeport.
Wisconsin
Glendale-based Ascension Wisconsin held a ceremonial groundbreaking on its $42 million medical center with an ASC.
Orthopedic and Sports Medicine Specialists and Ascension Wisconsin teamed up to build an orthopedic ASC in Fox Crossing.
Milwaukee-based Aurora Health Care opened a $55.5 million outpatient surgery center on Aug. 2.
Bellin Orthopedic Surgery Center in Green Bay completed a 13,000-square-foot expansion that added two operating rooms, three extended-stay rooms, 10 orthopedic exam rooms, a procedure room and three cast rooms.