Создала фиксики

Hospital/HospitalDataModels/Models/IMedicineModel.cs

@@ -8,5 +8,11 @@ namespace HospitalDataModels.Models
 {
     public interface IMedicineModel : IId
     {
+        string Name { get; }
+        string CountryOrigin { get; }
+        double Price { get; }
+        int PharmacistId { get; }
+        Dictionary<int, IProcedureModel> MedicineProcedures { get; }
+        Dictionary<int, IRecipeModel> MedicineRecipes { get; } //во всех сущностях проверить связи
     }
 }

Hospital/HospitalDataModels/Models/IPharmacistModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Mail;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalDataModels.Models
+{
+    internal interface IPharmacistModel : IId
+    {
+        string FIO { get; }
+        string Login { get; }
+        string Password { get; }
+        string PhoneNumber { get; }
+    }
+}

Hospital/HospitalDataModels/Models/IProcedureModel.cs

@@ -8,5 +8,14 @@ namespace HospitalDataModels.Models
 {
     public interface IProcedureModel : IId
     {
+            string Name { get; }
+            DateTime Date { get; }
+            int DescriptionOfTheProcedureId { get; }
+            int PharmacistId { get; }
+        Dictionary<int, IMedicineModel> MedicineProcedures { get; }
+
+        Dictionary<int, IPatientModel> PatientProcedure { get; }
+        }
     }
-}
+
+