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For urgent public health situations after business hours, please call the St. Mary’s County Emergency Operations Center at (301) 475-8016 to be connected to a public health official on-call. For medical emergencies, call 9-1-1.
The St. Mary’s County Health Department operates from four locations across the community.
21580 Peabody Street
Leonardtown, MD 20650
General Hours:
Mon–Fri: 8:00am–5:00pm
21580 Peabody Street
Leonardtown, MD 20650
Hours:
Mon & Thu: 7:00am–2:00pm
Tue, Wed, Fri: 7:00am–4:30pm
21625 Great Mills Road
Lexington Park, MD 20653
Hours:
Mon–Fri: 8:00am–5:00pm
19856 Three Notch Rd
Lexington Park, MD 20653
Hours:
Mon–Fri: 8:00am–4:00pm
Contact us today using this form and we will be in touch soon.
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Questions About Measles?
Please contact our Measles Call Center at 240-735-8288 Monday – Friday from 8:00 a.m. – 4:30 p.m.
Health Care Providers: Please visit our Provider Resources page for contact information for infectious disease reporting.