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LEONARDTOWN, MD (September 24, 2025)—The St. Mary’s County Health Department (SMCHD) will be closed on Friday, October 3, 2025, from 11:30 a.m. to 5:00 p.m. for agency operational needs. This includes the main office in Leonardtown and all satellite offices. Normal operations will resume on Monday, October 6, 2025.
Visit smchd.org for more information on SMCHD locations and services.
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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 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.