LYNN – A California family is offering a $1,000 reward to locate a 44-year-old Marblehead man last seen only days after receiving treatment for dementia and bipolar disorder.”I’m here in Boston looking for him, I’m very concerned for him,” said Paulo Villasenor, the brother of the missing man.Gaudencio Villasenor, 44, was last seen at Casa Corona in Marblehead on Feb. 2. He is described as 5 feet 8 inches tall, weighing 190 to 200 pounds, and was last seen wearing blue jeans, a light-blue vest and a white hat. Gaudencio Villasenor speaks only Spanish and worked at Casa Corona until the last week of January, according to his brother Paulo.Paulo Villasenor said that Gaudencio Villasenor was taken to the hospital to be treated for alcohol, dementia and bipolar disorder on Jan. 31.Gaudencio Villasenor returned to his home above the restaurant for a couple of days and then was seen by other workers at Casa Corona on Feb. 2. Paulo Villasenor said he last spoke with his brother the week before, when Gaudencio Villasenor called about starting a new restaurant. Paulo Villasenor said he returned the call but Gaudencio never replied to his message.Gaudencio Villasenor was subsequently reported seen in Lynn going to Casa Antigua on Oxford Street and at Shaw’s and Bank of America on State Street, according to his brother. Gaudencio Villasenor’s cell phone was found Feb. 2 outside Walmart on the Lynnway.Paulo Villasenor said he had come to the area from California, where the family lived. He is spending his days hanging “Missing” flyers and searching for his brother.Marblehead Police detectives are investigating the incident, and anyone with information is encouraged to call Marblehead detectives at 781-631-1212 or Paulo Villasenor at 707-477-6926.