East Coast Billing Service 
287 Rockaway Turnpike
Lawrence, New York 11559
(516) 239-5282
Horizon Billing Service 
88 South Main Street
Freeport, New York 11520
(516) 223-7908
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Personal Billing Service LTD 
114 Monroe Street
Garden City, New York 11530
(516) 355-5344
Physician Billing Assistance 
176 North Village Avenue
Rockville Centre, New York 11570
(516) 766-5022
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