2026-01-24T11:26:57-05:00 2025-12-31 990EZ 2025-01-01 043173779 MASSACHUSETTS ASSOCIATION OF AMBULATORY SURGERY CENTERS INC MASS 9783178825 71 BORDER RD STE 101 WALTHAM MA 02451 Ellen Rostron Treasurer 9783178825 2026-01-29 2025 2025-03-06 01:10:19Z X X X www.maasc.org X X 113814 X 61200 0 0 0 52614 113814 7000 119600 5062 35596 167258 -53444 124647 71203 124647 71203 124647 71203 124647 71203 To support free standing surgery centers Education by our conference for business members. The average conference attendance is around 100 people. We offered a full 8 hours of industry experts speaking on various topics in healthcare. 0 35596 Ongoing state updates via emails and quarterly meetings for about 59 licensed ASCs members. 0 5063 Ongoing federal updates via emails and quarterly meetings for about 59 licensed ASCs members. 0 0 40659 Greg DeConciliis President 4 2500 0 2500 Ellen Rostron Treasurer 2 1500 0 1500 Patty McKenna Secretary 2 1500 0 1500 Katie Murphy Vice President 2 1500 0 1500 false false false false false 0 false false false false Ellen Rostron 71 Border Road Suite 101 Waltham MA 02451 9783178825 false false false false false false false false false false false NONE NONE true X 45202 44250 44250 44500 61200 239402 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45202 44250 44250 44500 61200 239402 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 239402 60 33 33 33 33 192 0 0 0 0 0 0 60 33 33 33 33 192 0 0 0 0 0 0 0 0 0 0 0 0 45262 44283 44283 44533 61233 239594 0.9992 0.9986 0.0008 0.0014 X Doing Business As Names Massachusetts Association of Ambulatory Surgery Centers Part I, line 8 | Other Revenues:, Amount:| Conference attendees and exhibitors. We hold a one day educational conference for ASC members. Also bank interest of $ 33.09, $52614| Part I, line 16 | Other Expenses:, Amount:| Conference expenses; venue food speaker travel hotel, $35596|