The Guardian Life Insurance Company is and American company having headquarters in New York, USA. Guardian is the fourth largest mutual life insurance company in America. It was founded in 1860. Deanna Mulligan is the President and Chief Executive Officer of this company. The company provides long term care insurance, disability income, group medical and dental insurance. The postal and official address, email address and phone number (helpline) of Guardian Dental service center is given above. The helpline of Guardian Dental service center may or may not be toll free.