diff --git a/packages/data-portal-explore/src/components/AtlasTable.tsx b/packages/data-portal-explore/src/components/AtlasTable.tsx
index 9b8330a1..3d2066a1 100644
--- a/packages/data-portal-explore/src/components/AtlasTable.tsx
+++ b/packages/data-portal-explore/src/components/AtlasTable.tsx
@@ -8,7 +8,10 @@ import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import { faBook, faDownload } from '@fortawesome/free-solid-svg-icons';
 import { Button, Modal } from 'react-bootstrap';
 
-import { ISelectedFiltersByAttrName } from '@htan/data-portal-filter';
+import {
+    ISelectedFiltersByAttrName,
+    urlEncodeSelectedFilters,
+} from '@htan/data-portal-filter';
 import {
     EnhancedDataTable,
     getDefaultDataTableStyle,
@@ -18,6 +21,8 @@ import {
     AtlasDescription,
     AtlasMetaData,
     Entity,
+    FileViewerName,
+    filterFiles,
     getCiteFromPublicationManifest,
     getPublicationUid,
     PublicationManifest,
@@ -48,6 +53,17 @@ interface IAtlasMetadataLinkModalProps {
     cloudBaseUrl: string;
 }
 
+interface IAtlasViewerCountProps {
+    atlas: AtlasTableData;
+    fileViewerName: FileViewerName;
+    tooltipContent: string | JSX.Element;
+    hrefOverride?: { [atlasName: string]: string };
+}
+
+type ViewerCountByAtlas = {
+    [atlasId: string]: { [name in FileViewerName]: number };
+};
+
 const MetaDataLink = (props: { id: string; baseUrl: string }) => (
     <a href={`${props.baseUrl}/metadata/${props.id}.csv`} download>
         {props.id}
@@ -126,9 +142,36 @@ const AtlasMetadataLinkModal: React.FunctionComponent<IAtlasMetadataLinkModalPro
     );
 };
 
+const ViewerCount: React.FunctionComponent<IAtlasViewerCountProps> = (
+    props
+) => {
+    const count = props.atlas.viewerCounts[props.fileViewerName];
+    const filterString = urlEncodeSelectedFilters([
+        { group: 'viewers', value: props.fileViewerName },
+        { group: 'AtlasName', value: props.atlas.htan_name },
+    ]);
+    const defaultHref = `/explore?selectedFilters=${filterString}&tab=file`;
+    const hrefOverride = props.hrefOverride?.[props.atlas.htan_name];
+
+    return (
+        <>
+            <Tooltip overlay={props.tooltipContent}>
+                <span className="ml-auto" style={{ wordBreak: 'normal' }}>
+                    {count > 0 && (
+                        <a href={hrefOverride || defaultHref} target="_blank">
+                            {count}
+                        </a>
+                    )}
+                </span>
+            </Tooltip>
+        </>
+    );
+};
+
 type AtlasTableData = Atlas & {
     isSelected: boolean;
     publicationManifests: PublicationManifest[];
+    viewerCounts: { [name in FileViewerName]: number };
 };
 
 function filteredCount(
@@ -170,6 +213,10 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
         );
     };
 
+    getViewerCounts = (atlas: Atlas) => {
+        return this.viewerCountByAtlas[atlas.htan_id];
+    };
+
     // we need to update data every time the selection changes to rerender the table
     // see selectableRowSelected property at https://www.npmjs.com/package/react-data-table-component#row-selection
     @computed get data(): AtlasTableData[] {
@@ -179,6 +226,7 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                     ...a,
                     isSelected: this.isRowSelected(a),
                     publicationManifests: this.getPublicationManifests(a),
+                    viewerCounts: this.getViewerCounts(a),
                 } as AtlasTableData)
         );
     }
@@ -196,6 +244,16 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
         );
     }
 
+    @computed get viewerCountByAtlas(): ViewerCountByAtlas {
+        return _.mapValues(this.filesByAtlas, (files: Entity[]) =>
+            _.mapValues(
+                FileViewerName,
+                (value) =>
+                    filterFiles({ viewers: new Set([value]) }, files).length
+            )
+        );
+    }
+
     @computed get filteredAssaysByAtlas() {
         return _.mapValues(this.filteredFilesByAtlas, (files) =>
             _(files)
@@ -421,85 +479,12 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                 grow: 0.5,
                 right: true,
                 minWidth: '50',
-                cell: (atlas: Atlas) => (
-                    <>
-                        <Tooltip overlay="Autominerva: explore autogenerated views for imaging data">
-                            <span className="ml-auto">
-                                {(atlas.htan_name === 'HTAN HTAPP' && (
-                                    <a
-                                        href="/explore?selectedFilters=%5B%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+HTAPP%22%7D%2C%7B%22value%22%3A%22H%26E%22%2C%22label%22%3A%22H%26E%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A10%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22MIBI%22%2C%22label%22%3A%22MIBI%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A117%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                        target="_blank"
-                                    >
-                                        127
-                                    </a>
-                                )) ||
-                                    (atlas.htan_name === 'HTAN Duke' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22value%22%3A%22mIHC%22%2C%22label%22%3A%22mIHC%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A62%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22CyCIF%22%2C%22label%22%3A%22CyCIF%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A400%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22MIBI%22%2C%22label%22%3A%22MIBI%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A165%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22IMC%22%2C%22label%22%3A%22IMC%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A41%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22H%26E%22%2C%22label%22%3A%22H%26E%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A254%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22CyCIF%22%2C%22label%22%3A%22CyCIF%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A13%2C%22isSelected%22%3Afalse%7D%2C%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+Duke%22%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            1023
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN HMS' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+HMS%22%7D%2C%7B%22value%22%3A%22OME-TIFF%22%2C%22label%22%3A%22OME-TIFF%22%2C%22group%22%3A%22FileFormat%22%2C%22count%22%3A16%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            659
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN MSK' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+MSK%22%7D%2C%7B%22value%22%3A%22MIBI%22%2C%22label%22%3A%22MIBI%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A58%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            58
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN OHSU' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22value%22%3A%22mIHC%22%2C%22label%22%3A%22mIHC%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A94%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22CyCIF%22%2C%22label%22%3A%22CyCIF%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A56%2C%22isSelected%22%3Afalse%7D%2C%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+OHSU%22%7D%5D&tab=atlas"
-                                            target="_blank"
-                                        >
-                                            149
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN TNP - TMA' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+TNP+-+TMA%22%7D%2C%7B%22value%22%3A%22CODEX%22%2C%22label%22%3A%22CODEX%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A13%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22CyCIF%22%2C%22label%22%3A%22CyCIF%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A1250%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22H%26E%22%2C%22label%22%3A%22H%26E%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A32%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22HI-C-seq%22%2C%22label%22%3A%22HI-C-seq%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A102%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22MIBI%22%2C%22label%22%3A%22MIBI%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A175%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22SABER%22%2C%22label%22%3A%22SABER%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A6%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22mIHC%22%2C%22label%22%3A%22mIHC%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A403%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            1293
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN TNP SARDANA' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+TNP+SARDANA%22%7D%2C%7B%22value%22%3A%22OME-TIFF%22%2C%22label%22%3A%22OME-TIFF%22%2C%22group%22%3A%22FileFormat%22%2C%22count%22%3A276%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            276
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN Vanderbilt' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22value%22%3A%22H%26E%22%2C%22label%22%3A%22H%26E%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A692%2C%22isSelected%22%3Afalse%7D%2C%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+Vanderbilt%22%7D%2C%7B%22value%22%3A%22MxIF%22%2C%22label%22%3A%22MxIF%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A93%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            123
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN WUSTL' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+WUSTL%22%7D%2C%7B%22value%22%3A%22IMC%22%2C%22label%22%3A%22IMC%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A78%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22H%26E%22%2C%22label%22%3A%22H%26E%22%2C%22group%22%3A%22assayName%22%2C%22count%22%3A71%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            150
-                                        </a>
-                                    ))}
-                            </span>
-                        </Tooltip>
-                    </>
+                cell: (atlas: AtlasTableData) => (
+                    <ViewerCount
+                        atlas={atlas}
+                        fileViewerName={FileViewerName.autoMinerva}
+                        tooltipContent="Autominerva: explore autogenerated views for imaging data"
+                    />
                 ),
             },
             {
@@ -522,21 +507,16 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                 grow: 0.1,
                 right: true,
                 minWidth: '5',
-                cell: (atlas: Atlas) => (
-                    <>
-                        <Tooltip overlay="Minerva Story">
-                            <span className="ml-auto">
-                                {atlas.htan_name === 'HTAN OHSU' && (
-                                    <a
-                                        href="https://minerva-story-htan-ohsu-demo.surge.sh/"
-                                        target="_blank"
-                                    >
-                                        1
-                                    </a>
-                                )}
-                            </span>
-                        </Tooltip>
-                    </>
+                cell: (atlas: AtlasTableData) => (
+                    <ViewerCount
+                        atlas={atlas}
+                        fileViewerName={FileViewerName.customMinerva}
+                        tooltipContent="Minerva Story"
+                        hrefOverride={{
+                            'HTAN OHSU':
+                                'https://minerva-story-htan-ohsu-demo.surge.sh/',
+                        }}
+                    />
                 ),
             },
             {
@@ -559,51 +539,20 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                 grow: 0.1,
                 right: true,
                 minWidth: '10',
-                cell: (atlas: Atlas) => (
-                    <>
-                        <Tooltip overlay="CellxGene: explore single cell data">
-                            <span
-                                className="ml-auto"
-                                style={{ wordBreak: 'normal' }}
-                            >
-                                {(atlas.htan_name === 'HTAN MSK' && (
-                                    <a
-                                        href='/explore?tab=file&selectedFilters=%5B%7B"value"%3A"HTAN+MSK"%2C"label"%3A"HTAN+MSK"%2C"group"%3A"AtlasName"%2C"count"%3A1086%2C"isSelected"%3Afalse%7D%2C%7B"value"%3A"hdf5"%2C"label"%3A"hdf5"%2C"group"%3A"FileFormat"%2C"count"%3A12%2C"isSelected"%3Afalse%7D%5D'
-                                        target="_blank"
-                                    >
-                                        12
-                                    </a>
-                                )) ||
-                                    (atlas.htan_name === 'HTAN Vanderbilt' && (
-                                        <a
-                                            href="https://cellxgene.cziscience.com/collections/a48f5033-3438-4550-8574-cdff3263fdfd"
-                                            target="_blank"
-                                        >
-                                            3
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN BU' && (
-                                        <a
-                                            href="https://cellxgene.cziscience.com/d/BFAA0C46-7E34-4FA9-B08C-6DC6013B735A.cxg/"
-                                            target="_blank"
-                                        >
-                                            1
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN CHOP' && (
-                                        <a
-                                            href='/explore?selectedFilters=%5B%7B"value"%3A"hdf5"%2C"label"%3A"hdf5"%2C"group"%3A"FileFormat"%2C"count"%3A11%2C"isSelected"%3Afalse%7D%2C%7B"group"%3A"AtlasName"%2C"value"%3A"HTAN+CHOP"%7D%5D&tab=file'
-                                            target="_blank"
-                                        >
-                                            1
-                                        </a>
-                                    ))}
-                            </span>
-                        </Tooltip>
-                    </>
+                cell: (atlas: AtlasTableData) => (
+                    <ViewerCount
+                        atlas={atlas}
+                        fileViewerName={FileViewerName.cellxgene}
+                        tooltipContent="CellxGene: explore single cell data"
+                        hrefOverride={{
+                            'HTAN Vanderbilt':
+                                'https://cellxgene.cziscience.com/collections/a48f5033-3438-4550-8574-cdff3263fdfd',
+                            'HTAN BU':
+                                'https://cellxgene.cziscience.com/d/BFAA0C46-7E34-4FA9-B08C-6DC6013B735A.cxg/',
+                        }}
+                    />
                 ),
             },
-
             {
                 name: (
                     <>
@@ -624,37 +573,12 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                 grow: 0.1,
                 right: true,
                 minWidth: '10',
-                cell: (atlas: Atlas) => (
-                    <>
-                        <Tooltip overlay="ISB-CGC BigQuery: explore single cell data in Google BigQuery">
-                            <span className="ml-auto">
-                                {(atlas.htan_name === 'HTAN CHOP' && (
-                                    <a
-                                        href="/explore?selectedFilters=%5B%7B%22value%22%3A%22hdf5%22%2C%22label%22%3A%22hdf5%22%2C%22group%22%3A%22FileFormat%22%2C%22count%22%3A11%2C%22isSelected%22%3Afalse%7D%2C%7B%22group%22%3A%22AtlasName%22%2C%22value%22%3A%22HTAN+CHOP%22%7D%5D&tab=file"
-                                        target="_blank"
-                                    >
-                                        3
-                                    </a>
-                                )) ||
-                                    (atlas.htan_name === 'HTAN MSK' && (
-                                        <a
-                                            href="/explore?tab=file&selectedFilters=%5B%7B%22value%22%3A%22HTAN+MSK%22%2C%22label%22%3A%22HTAN+MSK%22%2C%22group%22%3A%22AtlasName%22%2C%22count%22%3A1086%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22hdf5%22%2C%22label%22%3A%22hdf5%22%2C%22group%22%3A%22FileFormat%22%2C%22count%22%3A12%2C%22isSelected%22%3Afalse%7D%5D"
-                                            target="_blank"
-                                        >
-                                            11
-                                        </a>
-                                    )) ||
-                                    (atlas.htan_name === 'HTAN Vanderbilt' && (
-                                        <a
-                                            href="/explore?selectedFilters=%5B%7B%22value%22%3A%22hdf5%22%2C%22label%22%3A%22hdf5%22%2C%22group%22%3A%22FileFormat%22%2C%22count%22%3A11%2C%22isSelected%22%3Afalse%7D%2C%7B%22value%22%3A%22HTAN+Vanderbilt%22%2C%22label%22%3A%22HTAN+Vanderbilt%22%2C%22group%22%3A%22AtlasName%22%2C%22count%22%3A4%2C%22isSelected%22%3Afalse%7D%5D&tab=file"
-                                            target="_blank"
-                                        >
-                                            4
-                                        </a>
-                                    ))}
-                            </span>
-                        </Tooltip>
-                    </>
+                cell: (atlas: AtlasTableData) => (
+                    <ViewerCount
+                        atlas={atlas}
+                        fileViewerName={FileViewerName.isbcgc}
+                        tooltipContent="ISB-CGC BigQuery: explore single cell data in Google BigQuery"
+                    />
                 ),
             },
             {
@@ -677,29 +601,18 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                 grow: 0.1,
                 right: true,
                 minWidth: '10',
-                cell: (atlas: Atlas) => (
-                    <>
-                        <Tooltip overlay="UCSC Xena: explore single cell and imaging data">
-                            <span className="ml-auto">
-                                {(atlas.htan_name === 'HTAN HMS' && (
-                                    <a
-                                        href="https://beta.xenabrowser.net/singlecell/?hub=https://previewsinglecell.xenahubs.net:443&defaultTable=htan"
-                                        target="_blank"
-                                    >
-                                        11
-                                    </a>
-                                )) ||
-                                    (atlas.htan_name === 'HTAN MSK' && (
-                                        <a
-                                            href="https://beta.xenabrowser.net/singlecell/?hub=https://previewsinglecell.xenahubs.net:443&defaultTable=htan&study=msk_sclc_chan_2021"
-                                            target="_blank"
-                                        >
-                                            3
-                                        </a>
-                                    ))}
-                            </span>
-                        </Tooltip>
-                    </>
+                cell: (atlas: AtlasTableData) => (
+                    <ViewerCount
+                        atlas={atlas}
+                        fileViewerName={FileViewerName.ucscXena}
+                        tooltipContent="UCSC Xena: explore single cell and imaging data"
+                        hrefOverride={{
+                            'HTAN HMS':
+                                'https://beta.xenabrowser.net/singlecell/?hub=https://previewsinglecell.xenahubs.net:443&defaultTable=htan',
+                            'HTAN MSK':
+                                'https://beta.xenabrowser.net/singlecell/?hub=https://previewsinglecell.xenahubs.net:443&defaultTable=htan&study=msk_sclc_chan_2021',
+                        }}
+                    />
                 ),
             },
             {
@@ -724,26 +637,26 @@ export class AtlasTable extends React.Component<IAtlasTableProps> {
                 grow: 0.1,
                 right: true,
                 minWidth: '10',
-                cell: (atlas: Atlas) => (
+                cell: (atlas: AtlasTableData) => (
                     <>
                         <Tooltip overlay="cBioPortal: explore multimodal cancer data">
                             <span className="ml-auto">
-                                {(atlas.htan_name === 'HTAN OHSU' && (
+                                {atlas.htan_name === 'HTAN OHSU' && (
                                     <a
                                         href="https://www.cbioportal.org/patient?studyId=brca_hta9_htan_2022&caseId=HTA9_1"
                                         target="_blank"
                                     >
                                         1
                                     </a>
-                                )) ||
-                                    (atlas.htan_name === 'HTAN Vanderbilt' && (
-                                        <a
-                                            href="https://www.cbioportal.org/study/summary?id=crc_hta11_htan_2021"
-                                            target="_blank"
-                                        >
-                                            1
-                                        </a>
-                                    ))}
+                                )}
+                                {atlas.htan_name === 'HTAN Vanderbilt' && (
+                                    <a
+                                        href="https://www.cbioportal.org/study/summary?id=crc_hta11_htan_2021"
+                                        target="_blank"
+                                    >
+                                        1
+                                    </a>
+                                )}
                             </span>
                         </Tooltip>
                     </>