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LEONARDTOWN, MD (October 6, 2025) – The St. Mary’s County Health Department (SMCHD) will be closed in recognition of Indigenous Peoples’ Day on Monday, October 13, 2025. This includes the main office in Leonardtown and all satellite offices. Normal operations will resume on Tuesday, October 14, 2025.
Learn more about SMCHD programs, services, and hours of operation at smchd.org.
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Mon – Fri: 8:00 am – 5:00 pm
Mon – Fri: 8:30 am – 4:00 pm
Mon & Thurs: 7:00 am – 2:00 pm
Tues, Wed, & Fri: 7:00 am – 4:30 pm
Need Assistance?
For general Health Department questions, please call our main office at 301-475-4330.
For measles-related questions, please contact our Measles Community Call Center Monday – Friday from 8:00 a.m. – 4:30 p.m. at 240-735-8288.
Health Care Providers: Please use the contact information listed on our Provider Resources page to report suspected or confirmed infectious diseases. Provider reporting should not be directed to the community call center.