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Certified Health Officer and Registered Sanitarian Credentialing

You can apply for a credential, renew, and look up a credential online.

On January 1, 2023, the following credential types have moved to Office of Local and Regional Health. Please select appropriate credential below for additional information.

Certified Health Officer  Registered Sanitarian 

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Contact

Online

Email: Email Office of Local and Regional Health at RS.CHO@Mass.gov

Phone

Phone: Call Office of Local and Regional Health, Phone: at (617) 753-8018

Address

RS/CHO Credentialing, C/O Office of Local & Regional Health, 67 Forest Street , Marlborough, MA 01752
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