The incident occurred just before 11 p.m. on Saturday, Oct. 10 in Oyster Bay at Cooper Bluff Waterfront Bar on Bay Avenue.
Upon arrival, officers located an injured woman and began rendering aid.
While officers were helping the victim, Celeste Rodriguez, 27, of Brooklyn, who is an acquaintance of the woman, became irate and violent towards the officers, Nassau County Police said.
Rodriguez began to punch, kick, head butt, and bite one of the officers, according to police.
After a brief struggle, Rodriguez was placed into custody.
The officer was transported to an area hospital for treatment of his injuries.
Rodriguez has been charged with second-degree assault and second-degree obstructing governmental administration.
She will be arraigned on Sunday, Oct. 11 in Mineola.
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