diff --git a/src/registrar/admin.py b/src/registrar/admin.py
index 6ab48e28d..61d3848bd 100644
--- a/src/registrar/admin.py
+++ b/src/registrar/admin.py
@@ -2910,15 +2910,14 @@ class PortfolioAdmin(ListHeaderAdmin):
 
     change_form_template = "django/admin/portfolio_change_form.html"
     fieldsets = [
-        # created_on is the created_at field, and portfolio_type is f"{organization_type} - {federal_type}"
-        (None, {"fields": ["portfolio_type", "organization_name", "creator", "created_on", "notes"]}),
-        ("Portfolio members", {"fields": ["display_admins", "display_members"]}),
-        ("Portfolio domains", {"fields": ["domains", "domain_requests"]}),
+        # created_on is the created_at field
+        (None, {"fields": ["creator", "created_on", "notes"]}),
         ("Type of organization", {"fields": ["organization_type", "federal_type"]}),
         (
             "Organization name and mailing address",
             {
                 "fields": [
+                    "organization_name",
                     "federal_agency",
                     "state_territory",
                     "address_line1",
@@ -2929,6 +2928,8 @@ class PortfolioAdmin(ListHeaderAdmin):
                 ]
             },
         ),
+        ("Portfolio members", {"fields": ["display_admins", "display_members"]}),
+        ("Portfolio domains", {"fields": ["domains", "domain_requests"]}),
         ("Suborganizations", {"fields": ["suborganizations"]}),
         ("Senior official", {"fields": ["senior_official"]}),
     ]
@@ -2960,6 +2961,10 @@ class PortfolioAdmin(ListHeaderAdmin):
     readonly_fields = [
         # This is the created_at field
         "created_on",
+        # Django admin doesn't allow methods to be directly listed in fieldsets. We can
+        # display the custom methods display_admins amd display_members in the admin form if
+        # they are readonly.
+        "federal_type",
         "domains",
         "domain_requests",
         "suborganizations",
diff --git a/src/registrar/assets/js/get-gov-admin.js b/src/registrar/assets/js/get-gov-admin.js
index fd673878d..032d9f84f 100644
--- a/src/registrar/assets/js/get-gov-admin.js
+++ b/src/registrar/assets/js/get-gov-admin.js
@@ -860,11 +860,10 @@ function initializeWidgetOnList(list, parentId) {
         let organizationType = document.getElementById("id_organization_type");
         let readonlyOrganizationType = document.querySelector(".field-organization_type .readonly");
 
-        let federalType = document.getElementById("id_federal_type")
-        if ($federalAgency && (organizationType || readonlyOrganizationType) && federalType) {
+        if ($federalAgency && (organizationType || readonlyOrganizationType)) {
             // Attach the change event listener
             $federalAgency.on("change", function() {
-                handleFederalAgencyChange($federalAgency, organizationType, readonlyOrganizationType, federalType);
+                handleFederalAgencyChange($federalAgency, organizationType, readonlyOrganizationType);
             });
         }
         
@@ -880,9 +879,28 @@ function initializeWidgetOnList(list, parentId) {
                 handleStateTerritoryChange(stateTerritory, urbanizationField);
             });
         }
+
+        // Handle hiding the organization name field when the organization_type is federal.
+        // Run this first one page load, then secondly on a change event.
+        let organizationNameContainer = document.querySelector(".field-organization_name")
+        handleOrganizationTypeChange(organizationType, organizationNameContainer);
+        organizationType.addEventListener("change", function() {
+            handleOrganizationTypeChange(organizationType, organizationNameContainer);
+        });
     });
 
-    function handleFederalAgencyChange(federalAgency, organizationType, readonlyOrganizationType, federalType) {
+    function handleOrganizationTypeChange(organizationType, organizationNameContainer) {
+        if (organizationType && organizationNameContainer) {
+            let selectedValue = organizationType.value;
+            if (selectedValue === "federal") {
+                hideElement(organizationNameContainer);
+            } else {
+                showElement(organizationNameContainer);
+            }
+        }
+    }
+
+    function handleFederalAgencyChange(federalAgency, organizationType, readonlyOrganizationType) {
         // Don't do anything on page load
         if (isInitialPageLoad) {
             isInitialPageLoad = false;
@@ -923,12 +941,10 @@ function initializeWidgetOnList(list, parentId) {
             return;
         }
 
-        organizationTypeValue = organizationType ? organizationType.value : readonlyOrganizationType.innerText.toLowerCase();
-
         // Determine if any changes are necessary to the display of portfolio type or federal type
         // based on changes to the Federal Agency
         let federalPortfolioApi = document.getElementById("federal_and_portfolio_types_from_agency_json_url").value;
-        fetch(`${federalPortfolioApi}?organization_type=${organizationTypeValue}&agency_name=${selectedText}`)
+        fetch(`${federalPortfolioApi}?&agency_name=${selectedText}`)
         .then(response => {
             const statusCode = response.status;
             return response.json().then(data => ({ statusCode, data }));
@@ -938,12 +954,7 @@ function initializeWidgetOnList(list, parentId) {
                 console.error("Error in AJAX call: " + data.error);
                 return;
             }
-            if (data.federal_type && selectedText !== "Non-Federal Agency") {
-                federalType.value = data.federal_type.toLowerCase();
-            }else {
-                federalType.value = "";
-            }
-            updateReadOnly(data.portfolio_type, '.field-portfolio_type');
+            updateReadOnly(data.federal_type, '.field-federal_type');
         })
         .catch(error => console.error("Error fetching federal and portfolio types: ", error));
 
diff --git a/src/registrar/migrations/0130_create_groups_v17.py b/src/registrar/migrations/0129_create_groups_v17.py
similarity index 93%
rename from src/registrar/migrations/0130_create_groups_v17.py
rename to src/registrar/migrations/0129_create_groups_v17.py
index 943507267..7e0ae99ad 100644
--- a/src/registrar/migrations/0130_create_groups_v17.py
+++ b/src/registrar/migrations/0129_create_groups_v17.py
@@ -25,7 +25,7 @@ def create_groups(apps, schema_editor) -> Any:
 
 class Migration(migrations.Migration):
     dependencies = [
-        ("registrar", "0129_portfolio_federal_type"),
+        ("registrar", "0128_alter_domaininformation_state_territory_and_more"),
     ]
 
     operations = [
diff --git a/src/registrar/migrations/0129_portfolio_federal_type.py b/src/registrar/migrations/0129_portfolio_federal_type.py
deleted file mode 100644
index c6d874678..000000000
--- a/src/registrar/migrations/0129_portfolio_federal_type.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# Generated by Django 4.2.10 on 2024-09-23 15:29
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("registrar", "0128_alter_domaininformation_state_territory_and_more"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="portfolio",
-            name="federal_type",
-            field=models.CharField(
-                blank=True,
-                choices=[("executive", "Executive"), ("judicial", "Judicial"), ("legislative", "Legislative")],
-                help_text="Federal agency type (executive, judicial, legislative, etc.)",
-                max_length=20,
-                null=True,
-            ),
-        ),
-    ]
diff --git a/src/registrar/migrations/0130_alter_portfolio_organization_name.py b/src/registrar/migrations/0130_alter_portfolio_organization_name.py
new file mode 100644
index 000000000..f8feaf672
--- /dev/null
+++ b/src/registrar/migrations/0130_alter_portfolio_organization_name.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.2.10 on 2024-09-25 14:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("registrar", "0129_create_groups_v17"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="portfolio",
+            name="organization_name",
+            field=models.CharField(blank=True, null=True),
+        ),
+    ]
diff --git a/src/registrar/models/portfolio.py b/src/registrar/models/portfolio.py
index 0a60d3ec8..7e1bc7616 100644
--- a/src/registrar/models/portfolio.py
+++ b/src/registrar/models/portfolio.py
@@ -34,7 +34,6 @@ class Portfolio(TimeStampedModel):
     organization_name = models.CharField(
         null=True,
         blank=True,
-        verbose_name="Portfolio organization",
     )
 
     organization_type = models.CharField(
@@ -58,14 +57,6 @@ class Portfolio(TimeStampedModel):
         default=FederalAgency.get_non_federal_agency,
     )
 
-    federal_type = models.CharField(
-        max_length=20,
-        choices=BranchChoices.choices,
-        null=True,
-        blank=True,
-        help_text="Federal agency type (executive, judicial, legislative, etc.)",
-    )
-
     senior_official = models.ForeignKey(
         "registrar.SeniorOfficial",
         on_delete=models.PROTECT,
@@ -131,28 +122,16 @@ class Portfolio(TimeStampedModel):
         if self.state_territory != self.StateTerritoryChoices.PUERTO_RICO and self.urbanization:
             self.urbanization = None
 
-        # Set the federal type field if it doesn't exist already
-        if self.federal_type is None and self.federal_agency and self.federal_agency.federal_type:
-            self.federal_type = self.federal_agency.federal_type if self.federal_agency else None
-
         super().save(*args, **kwargs)
 
     @property
-    def portfolio_type(self):
-        """
-        Returns a combination of organization_type / federal_type, seperated by ' - '.
-        If no federal_type is found, we just return the org type.
-        """
-        return self.get_portfolio_type(self.organization_type, self.federal_type)
+    def federal_type(self):
+        """Returns the federal_type value on the underlying federal_agency field"""
+        return self.get_federal_type(self.federal_agency)
 
     @classmethod
-    def get_portfolio_type(cls, organization_type, federal_type):
-        org_type_label = cls.OrganizationChoices.get_org_label(organization_type)
-        agency_type_label = BranchChoices.get_branch_label(federal_type)
-        if organization_type == cls.OrganizationChoices.FEDERAL and agency_type_label:
-            return " - ".join([org_type_label, agency_type_label])
-        else:
-            return org_type_label
+    def get_federal_type(cls, federal_agency):
+        return federal_agency.federal_type if federal_agency else None
 
     # == Getters for domains == #
     def get_domains(self):
diff --git a/src/registrar/views/utility/api_views.py b/src/registrar/views/utility/api_views.py
index 430c3416b..7240cf43f 100644
--- a/src/registrar/views/utility/api_views.py
+++ b/src/registrar/views/utility/api_views.py
@@ -55,11 +55,9 @@ def get_federal_and_portfolio_types_from_federal_agency_json(request):
     portfolio_type = None
 
     agency_name = request.GET.get("agency_name")
-    organization_type = request.GET.get("organization_type")
     agency = FederalAgency.objects.filter(agency=agency_name).first()
     if agency:
-        federal_type = agency.federal_type
-        portfolio_type = Portfolio.get_portfolio_type(organization_type, federal_type)
+        federal_type = Portfolio.get_federal_type(agency)
         federal_type = BranchChoices.get_branch_label(federal_type) if federal_type else "-"
 
     response_data = {