diff --git a/src/main/java/com/mirna/hospitalmanagementapi/application/services/auth/UserDetailsServiceImpl.java b/src/main/java/com/mirna/hospitalmanagementapi/application/services/auth/UserDetailsServiceImpl.java
new file mode 100644
index 0000000..282a48c
--- /dev/null
+++ b/src/main/java/com/mirna/hospitalmanagementapi/application/services/auth/UserDetailsServiceImpl.java
@@ -0,0 +1,30 @@
+package com.mirna.hospitalmanagementapi.application.services.auth;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.stereotype.Service;
+
+import com.mirna.hospitalmanagementapi.domain.services.UserService;
+
+/**
+ * This class is an implementation of the UserDetailsService interface.
+ *
+ * This class provides methods to perform operations on users information
+ *
+ * @author Mirna Gama
+ * @version 1.0
+ */
+@Service
+public class UserDetailsServiceImpl implements UserDetailsService {
+
+	@Autowired
+	private UserService userService;
+	
+	@Override
+	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+		return userService.findUserByLogin(username);
+	}
+
+}