5300 Military Rd.
Lewiston, NY 14092
24/7 Emergency Department
Visiting Hours: 9:00 a.m. - 9:00 p.m.
Always Open
Monday – Friday: 7:00 a.m. to 4:00 p.m.
Saturday: 7:00 a.m. to 12:00 p.m.
Sunday: 7:30 a.m. to 11:15 a.m.
Monday – Friday: 7:30 a.m. to 5 p.m.
Saturday: 8:00 a.m. to 3:00 p.m.
Monday – Friday: 7:00 a.m. to 4:30 p.m.
Saturday: 7:30 a.m. to 2:30 p.m.
Monday – Friday 7:30 a.m. to 5:30 p.m.
Evenings & Saturdays by appointment.
Monday – Friday 7:30 a.m. to 5:30 p.m.
Evenings & Saturdays by appointment.
Monday – Thursday: 7:00 a.m. to 6:00 p.m.
Friday: 7:00 a.m. to 3:00 p.m.
Monday – Friday: 7:00 a.m. to 3:00 p.m.
Mount St. Mary’s Hospital serves the Niagara region as a New York State designated Stroke Center. As a part of the network of Stroke Centers of Catholic Health, we have a dedicated stroke care unit, state-of-the-art facilities, and inpatient rehabilitation.
Mount St. Mary's Hospital provides inpatient treatment for alcohol and substance use disorders at the Clearview Treatment Center, a confidential program dedicated to holistic care for men and women.
Mount St. Mary's Cardiology Services offer patients a full range of diagnostic and treatment procedures. We also provide cardiac rehabilitation programs using a collaborative care model.
Receive your prenatal and postpartum care at the Center for Women at Mount St. Mary's Hospital and when it comes to time to deliver your little one, you'll have access to the region's best labor and delivery services at Sisters of Charity Hospital.
Whether you’re coming in as a patient or visiting a loved one, we want you to have all the information you need to put your mind at ease. From where to park to how to order a meal, read up on our policies and suggestions for your stay!
Transparency is built into our culture, and we want you to have access to all the information you need regarding your visit to a Catholic Health hospital.
Graduate Nursing & Nursing Student Event!
November 13, 2025 5:00 pm - 7:00 pm
The Grapevine Banquets & Event Center, 333 Dick Rd, Depew, NY 14043, USA
You're invited to explore career opportunities in specialty nursing and view evidence-based research projects presented by Catholic Health's Summer Nurse Residents.
To register/RSVP, simply follow this link: chsbuffalo.org/harvest
We hope to see you there!
RN Hiring Event! Mount St. Mary’s and Lockport Memorial Hospital
November 19, 2025 9:00 am - 5:00 pm
Mount St. Mary's Hospital, 5300 Military Rd, Lewiston, NY 14092, USA
Mount St. Mary’s and Lockport Memorial Hospital serve the Greater Niagara County region by providing superior healthcare close to home. Specializing in emergency care, primary care, and addiction counseling, Mount St. Mary’s is a trusted community hospital with access to the region’s leading healthcare system in patient safety; while Lockport Memorial offeres emergency, medical inpatient, outpatient and diagnostic services as well asoffices for primary and specialty care practices.
To join this amazing nursing team, join us for open interviews at Mount St. Mary Hospital today!
Don't forget to ask about our sign on bonuses worth up to $25,000!
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