diff --git a/app/apis/azul/anvil-cmg/common/entities.ts b/app/apis/azul/anvil-cmg/common/entities.ts
index 146eec12c..737600bf7 100644
--- a/app/apis/azul/anvil-cmg/common/entities.ts
+++ b/app/apis/azul/anvil-cmg/common/entities.ts
@@ -47,6 +47,7 @@ export interface DatasetEntity {
   consent_group: (string | null)[];
   dataset_id: string;
   description?: string;
+  duos_id: string | null;
   registered_identifier: (string | null)[];
   title: string;
 }
diff --git a/app/components/Detail/components/AnVILCMG/components/RequestAccess/constants.ts b/app/components/Detail/components/AnVILCMG/components/RequestAccess/constants.ts
new file mode 100644
index 000000000..ddb3d4f19
--- /dev/null
+++ b/app/components/Detail/components/AnVILCMG/components/RequestAccess/constants.ts
@@ -0,0 +1,28 @@
+import {
+  ButtonProps,
+  ListItemTextProps,
+  MenuProps,
+  SvgIconProps,
+} from "@mui/material";
+import {
+  TEXT_BODY_500,
+  TEXT_BODY_SMALL_400_2_LINES,
+} from "@databiosphere/findable-ui/lib/theme/common/typography";
+
+export const BUTTON_PROPS: ButtonProps = {
+  color: "primary",
+  variant: "contained",
+};
+
+export const LIST_ITEM_TEXT_PROPS: ListItemTextProps = {
+  primaryTypographyProps: { variant: TEXT_BODY_500 },
+  secondaryTypographyProps: { variant: TEXT_BODY_SMALL_400_2_LINES },
+};
+
+export const MENU_PROPS: Partial<MenuProps> = {
+  variant: "menu",
+};
+
+export const SVG_ICON_PROPS: SvgIconProps = {
+  fontSize: "small",
+};
diff --git a/app/components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess.styles.ts b/app/components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess.styles.ts
new file mode 100644
index 000000000..268b8e291
--- /dev/null
+++ b/app/components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess.styles.ts
@@ -0,0 +1,37 @@
+import { Button } from "@mui/material";
+import styled from "@emotion/styled";
+import { css } from "@emotion/react";
+import { primaryDark } from "@databiosphere/findable-ui/lib/styles/common/mixins/colors";
+import { DropdownMenu } from "@databiosphere/findable-ui/lib/components/common/DropdownMenu/dropdownMenu";
+
+interface Props {
+  open?: boolean;
+}
+
+export const StyledDropdownMenu = styled(DropdownMenu)`
+  .MuiPaper-menu {
+    max-width: 324px;
+
+    .MuiListItemText-root {
+      display: grid;
+      gap: 4px;
+      white-space: normal;
+    }
+  }
+`;
+
+export const StyledButton = styled(Button, {
+  shouldForwardProp: (prop) => prop !== "open",
+})<Props>`
+  padding-right: 8px;
+
+  .MuiButton-endIcon {
+    margin-left: -6px;
+  }
+
+  ${(props) =>
+    props.open &&
+    css`
+      background-color: ${primaryDark(props)};
+    `}
+`;
diff --git a/app/components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess.tsx b/app/components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess.tsx
new file mode 100644
index 000000000..ac99a1d5c
--- /dev/null
+++ b/app/components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess.tsx
@@ -0,0 +1,70 @@
+import { Props } from "./types";
+import { ListItemText, MenuItem } from "@mui/material";
+import { Actions } from "@databiosphere/findable-ui/lib/components/Layout/components/BackPage/components/BackPageHero/components/Actions/actions";
+import { CallToActionButton } from "@databiosphere/findable-ui/lib/components/common/Button/components/CallToActionButton/callToActionButton";
+import ArrowDropDownRoundedIcon from "@mui/icons-material/ArrowDropDownRounded";
+import { StyledButton, StyledDropdownMenu } from "./requestAccess.styles";
+import {
+  ANCHOR_TARGET,
+  REL_ATTRIBUTE,
+} from "@databiosphere/findable-ui/lib/components/Links/common/entities";
+import {
+  BUTTON_PROPS,
+  LIST_ITEM_TEXT_PROPS,
+  MENU_PROPS,
+  SVG_ICON_PROPS,
+} from "./constants";
+import { getRequestAccessOptions } from "./utils";
+
+export const RequestAccess = ({
+  datasetsResponse,
+}: Props): JSX.Element | null => {
+  const options = getRequestAccessOptions(datasetsResponse);
+  // If there are no request access options, return null.
+  if (options.length === 0) return null;
+  // If there is only one request access option, render a CallToActionButton.
+  if (options.length === 1)
+    return (
+      <Actions>
+        <CallToActionButton
+          callToAction={{ label: "Request Access", url: options[0].href }}
+        />
+      </Actions>
+    );
+  // Otherwise, render a dropdown menu for multiple request access options.
+  return (
+    <Actions>
+      <StyledDropdownMenu
+        {...MENU_PROPS}
+        button={(props) => (
+          <StyledButton
+            {...BUTTON_PROPS}
+            endIcon={<ArrowDropDownRoundedIcon {...SVG_ICON_PROPS} />}
+            {...props}
+          >
+            Request Access
+          </StyledButton>
+        )}
+      >
+        {({ closeMenu }): JSX.Element[] => [
+          ...options.map(({ href, primary, secondary }, i) => (
+            <MenuItem
+              key={i}
+              component="a"
+              href={href}
+              rel={REL_ATTRIBUTE.NO_OPENER_NO_REFERRER}
+              target={ANCHOR_TARGET.BLANK}
+              onClick={closeMenu}
+            >
+              <ListItemText
+                {...LIST_ITEM_TEXT_PROPS}
+                primary={primary}
+                secondary={secondary}
+              />
+            </MenuItem>
+          )),
+        ]}
+      </StyledDropdownMenu>
+    </Actions>
+  );
+};
diff --git a/app/components/Detail/components/AnVILCMG/components/RequestAccess/types.ts b/app/components/Detail/components/AnVILCMG/components/RequestAccess/types.ts
new file mode 100644
index 000000000..c5712dbb5
--- /dev/null
+++ b/app/components/Detail/components/AnVILCMG/components/RequestAccess/types.ts
@@ -0,0 +1,5 @@
+import { DatasetsResponse } from "../../../../../../apis/azul/anvil-cmg/common/responses";
+
+export interface Props {
+  datasetsResponse: DatasetsResponse;
+}
diff --git a/app/components/Detail/components/AnVILCMG/components/RequestAccess/utils.ts b/app/components/Detail/components/AnVILCMG/components/RequestAccess/utils.ts
new file mode 100644
index 000000000..e33c94241
--- /dev/null
+++ b/app/components/Detail/components/AnVILCMG/components/RequestAccess/utils.ts
@@ -0,0 +1,54 @@
+import { DatasetsResponse } from "../../../../../../apis/azul/anvil-cmg/common/responses";
+import { takeArrayValueAt } from "../../../../../../viewModelBuilders/azul/anvil-cmg/common/viewModelBuilders";
+import {
+  processEntityArrayValue,
+  processEntityValue,
+} from "../../../../../../apis/azul/common/utils";
+import { LABEL } from "@databiosphere/findable-ui/lib/apis/azul/common/entities";
+import { ListItemTextProps } from "@mui/material";
+
+/**
+ * Generates a list of request access menu options based on the provided dataset response.
+ * This function extracts identifiers (DUOS ID and dbGaP ID) from the datasets response and returns an array of menu option objects.
+ * Each menu option contains a link `href` and title `primary` and description text `secondary`, to be used in Material UI's `MenuItem` and `ListItemText` component.
+ * @param datasetsResponse - Response model return from datasets API.
+ * @returns menu option objects with `href`, `primary`, and `secondary` properties.
+ */
+export function getRequestAccessOptions(
+  datasetsResponse: DatasetsResponse
+): (Pick<ListItemTextProps, "primary" | "secondary"> & { href: string })[] {
+  // Get the dbGaP ID and DUOS ID from the datasets response.
+  const dbGapId = takeArrayValueAt(
+    processEntityArrayValue(
+      datasetsResponse.datasets,
+      "registered_identifier",
+      LABEL.EMPTY
+    ),
+    0
+  );
+  const duosId = processEntityValue(
+    datasetsResponse.datasets,
+    "duos_id",
+    LABEL.EMPTY
+  );
+  const options = [];
+  if (duosId) {
+    // If a DUOS ID is present, add a menu option for DUOS.
+    options.push({
+      href: `https://duos.org/dataset/${duosId}`,
+      primary: "DUOS",
+      secondary:
+        "Request access via DUOS, which streamlines data access for NHGRI-sponsored studies, both registered and unregistered in dbGaP.",
+    });
+  }
+  if (dbGapId) {
+    // If a dbGaP ID is present, add a menu option for dbGaP.
+    options.push({
+      href: `https://dbgap.ncbi.nlm.nih.gov/aa/wga.cgi?adddataset=${dbGapId}`,
+      primary: "dbGaP",
+      secondary:
+        "Request access via the dbGaP Authorized Access portal for studies registered in dbGaP, following the standard data access process.",
+    });
+  }
+  return options;
+}
diff --git a/app/viewModelBuilders/azul/anvil-cmg/common/viewModelBuilders.ts b/app/viewModelBuilders/azul/anvil-cmg/common/viewModelBuilders.ts
index 6da95403a..4ea659b87 100644
--- a/app/viewModelBuilders/azul/anvil-cmg/common/viewModelBuilders.ts
+++ b/app/viewModelBuilders/azul/anvil-cmg/common/viewModelBuilders.ts
@@ -39,7 +39,7 @@ import {
   ChipProps as MChipProps,
   FadeProps as MFadeProps,
 } from "@mui/material";
-import React from "react";
+import React, { ReactNode } from "react";
 import {
   ANVIL_CMG_CATEGORY_KEY,
   ANVIL_CMG_CATEGORY_LABEL,
@@ -112,6 +112,7 @@ import { Unused, Void } from "../../../common/entities";
 import { SUMMARY_DISPLAY_TEXT } from "./summaryMapper/constants";
 import { mapExportSummary } from "./summaryMapper/summaryMapper";
 import { ExportEntity } from "app/components/Export/components/AnVILExplorer/components/ExportEntity/exportEntity";
+import { RequestAccess } from "../../../../components/Detail/components/AnVILCMG/components/RequestAccess/requestAccess";
 
 /**
  * Build props for activity type BasicCell component from the given activities response.
@@ -512,6 +513,7 @@ export const buildDatasetHero = (
   datasetsResponse: DatasetsResponse
 ): React.ComponentProps<typeof C.BackPageHero> => {
   return {
+    actions: getDatasetRequestAccess(datasetsResponse),
     breadcrumbs: getDatasetBreadcrumbs(datasetsResponse),
     callToAction: getDatasetCallToAction(datasetsResponse),
     title: getDatasetTitle(datasetsResponse),
@@ -1079,10 +1081,7 @@ function getDatasetCallToAction(
 ): CallToAction | undefined {
   const isReady = isResponseReady(datasetsResponse);
   const isAccessGranted = isDatasetAccessible(datasetsResponse);
-  const registeredIdentifier = getDatasetRegisteredIdentifier(datasetsResponse);
-  if (!isReady) {
-    return;
-  }
+  if (!isReady) return;
   // Display export button if user is authorized to access the dataset.
   if (isAccessGranted) {
     return {
@@ -1091,14 +1090,6 @@ function getDatasetCallToAction(
       url: `/datasets/${getDatasetEntryId(datasetsResponse)}/export`,
     };
   }
-  // Display request access button if user is not authorized to access the dataset.
-  if (registeredIdentifier === LABEL.UNSPECIFIED) {
-    return {
-      label: "Request Access",
-      target: ANCHOR_TARGET.BLANK,
-      url: `https://dbgap.ncbi.nlm.nih.gov/aa/wga.cgi?adddataset=${registeredIdentifier}`,
-    };
-  }
   // Otherwise, display nothing.
 }
 
@@ -1116,6 +1107,23 @@ export function getDatasetRegisteredIdentifier(
   );
 }
 
+/**
+ * Returns the `actions` prop for the Hero component from the given datasets response.
+ * @param datasetsResponse - Response model return from datasets API.
+ * @returns react node to be used as the `actions` props for the Hero component.
+ */
+function getDatasetRequestAccess(
+  datasetsResponse: DatasetsResponse
+): ReactNode {
+  const isReady = isResponseReady(datasetsResponse);
+  const isAccessGranted = isDatasetAccessible(datasetsResponse);
+  if (!isReady) return null;
+  // Display nothing if user is authorized to access the dataset.
+  if (isAccessGranted) return null;
+  // Display request access button if user is not authorized to access the dataset.
+  return RequestAccess({ datasetsResponse });
+}
+
 /**
  * Returns StatusBadge component props from the given datasets response.
  * @param datasetsResponse - Response model return from datasets API.