diff --git a/src/interfaces/patient.interface.ts b/src/interfaces/patient.interface.ts
index b61442d..00642a7 100644
--- a/src/interfaces/patient.interface.ts
+++ b/src/interfaces/patient.interface.ts
@@ -1,6 +1,20 @@
 import { Document } from 'mongoose';
 import IObraSocial from './obraSocial.interface';
 
+export interface IPatientSub {
+    dni?: string;
+    lastName: string;
+    firstName: string;
+    fechaNac?: Date | null;
+    sex: string;
+    nombreAutopercibido?: string;
+    idMPI?: string;
+    obraSocial?: {
+        nombre?: string;
+        numeroAfiliado?: string;
+    } | IObraSocial;
+}
+
 export default interface IPatient extends Document {
     dni?: string;
     lastName: string;
diff --git a/src/models/certificate.model.ts b/src/models/certificate.model.ts
index 4b0b865..a98387a 100644
--- a/src/models/certificate.model.ts
+++ b/src/models/certificate.model.ts
@@ -1,10 +1,10 @@
 import { Schema, Model, model } from "mongoose";
-import { patientSchema } from "./patient.model";
+import { patientSubSchema } from "./patient.model";
 import ICertificate from "../interfaces/certificate.interface";
 
 
 const certificateSchema = new Schema({
-    patient: patientSchema,
+    patient: patientSubSchema,
     professional: {
         userId: Schema.Types.ObjectId,
         businessName: { type: String, required: true },
diff --git a/src/models/patient.model.ts b/src/models/patient.model.ts
index 3f0a3f1..e031aa4 100644
--- a/src/models/patient.model.ts
+++ b/src/models/patient.model.ts
@@ -4,6 +4,43 @@ import needle from 'needle';
 import { obraSocialSchema } from './obraSocial.model';
 import axios from 'axios';
 
+
+export const patientSubSchema = new Schema({
+    firstName: {
+        type: String,
+        required: '{PATH} is required'
+    },
+    lastName: {
+        type: String,
+        required: '{PATH} is required'
+    },
+    nombreAutopercibido: {
+        type: String,
+        default: ''
+    },
+    dni: {
+        type: String,
+        default: ''
+    },
+    fechaNac: {
+        type: Date,
+        default: null
+    },
+    sex: {
+        type: String,
+        enum: ['Femenino', 'Masculino', 'Otro'],
+        required: '{PATH} is required'
+    },
+    obraSocial: {
+        nombre: { type: String, default: '' },
+        numeroAfiliado: { type: String, default: '' }
+    },
+    idMPI: {
+        type: String,
+        default: ''
+    }
+}, { _id: false });
+
 // Schema
 export const patientSchema = new Schema({
     dni: {
diff --git a/src/models/practice.model.ts b/src/models/practice.model.ts
index 9ce44dc..2a9951d 100644
--- a/src/models/practice.model.ts
+++ b/src/models/practice.model.ts
@@ -1,13 +1,13 @@
 import { Schema, Model, model } from 'mongoose';
 import IPractice from '../interfaces/practice.interface';
-import { patientSchema } from './patient.model';
+import { patientSubSchema } from './patient.model';
 
 const practiceSchema: Schema = new Schema({
   date: {
     type: Date,
     required: true
   },
-  patient: patientSchema,
+  patient: patientSubSchema,
   professional: {
     userId: {
       type: String,
diff --git a/src/models/prescription.model.ts b/src/models/prescription.model.ts
index 70e0d63..c00b455 100644
--- a/src/models/prescription.model.ts
+++ b/src/models/prescription.model.ts
@@ -1,7 +1,7 @@
 import { Schema, Model, model } from 'mongoose';
 import IPrescription from '../interfaces/prescription.interface';
 import { supplySchema } from '../models/supply.model';
-import { patientSchema } from '../models/patient.model';
+import { patientSubSchema } from '../models/patient.model';
 
 // Schema
 const prescriptionSchema = new Schema({
@@ -10,7 +10,7 @@ const prescriptionSchema = new Schema({
         unique: true,
         sparse: true
     },
-    patient: patientSchema,
+    patient: patientSubSchema,
     professional: {
         userId: Schema.Types.ObjectId,
         businessName: { type: String, required: true },