Here are 25 anesthesia group mergers, acquisitions and partnerships over the past year.

Vancouver, Canada-based CRH Medical Corp. acquired majority stake in Decatur, Ga.-based gastroenterology-facing anesthesia practice.

Bedford (N.Y.) Anesthesia physicians joined Westchester, N.Y.-based CareMount Medical, forming a large full service practice in Hudson Valley, N.Y.

Las Vegas-based Anesthesia Consultants and East Texas Anesthesiology Associates in Tyler entered into a partnership with Ft. Lauderdale, Fla.-based U.S. Anesthesia Partners for anesthesia care.

NorthStar Anesthesia, based in Irving, Texas, acquired several anesthesia practices, including:

• Square Waveform Anesthesiology in Marshalltown, Iowa
• River Cities Anesthesia in Huntington, W.Va.
• Continental Anesthesia in Chicago

Mednax acquired several practices last year, including:

• Central New York Anesthesia Group in Syracuse, N.Y.
• Medical Anesthesia Consultants in Florence, S.C.
• Anesthesia Associates of Naples (Fla.)
• Associated Anesthesiologists in Reno, Nev.
• Northwest Anesthesia in Minneapolis
• Lighthouse Anesthesia in Savannah, Ga.

Sheridan, AmSurg's physician services division acquired multiple practices, including:

• Ambulatory Anesthesia Associates in Torrance, Calif.
• Genesis Anesthesia Services in Los Angeles
• South Lake Anesthesia Services in Claremont, Fla.
• Resolute Anesthesia and Pain Solutions in Boca Raton, Fla.
• Jandee Anesthesiology Partners in Ramsey, N.J.
• Karadan Anesthesiology and Pain Management in Ramsey, N.J.
• North Florida Anesthesia Consultants in Jacksonville

Knoxville, Tenn.-based physician services organization TeamHealth acquired Anesthesia Associates of Cincinnati.

North American Partners in Anesthesia acquired Nashua (N.H.) Anesthesia Partners and Manchester, N.H.-based Anesthesia Care Group.

National anesthesia provider Epix Anesthesia acquired PhySynergy, an anesthesia and hospital medicine management company.

Lodi, Calif.-based Morpheus Anesthesia physicians joined CEP America.