diff --git a/app/Config/Routes.php b/app/Config/Routes.php
index ef432b4..9f9943e 100644
--- a/app/Config/Routes.php
+++ b/app/Config/Routes.php
@@ -1045,6 +1045,9 @@ $routes->get('Report/collection_report', 'Report::collection_report', ['filter'
 $routes->get('Report/report_opd_total', 'Report::report_opd_total', ['filter' => $reportsCollectionFilter]);
 $routes->get('Report/opd_total_data/(:segment)/(:segment)/(:segment)/(:segment)', 'Report::opd_total_data/$1/$2/$3/$4', ['filter' => $reportsCollectionFilter]);
 $routes->get('Report/opd_total_data/(:segment)/(:segment)/(:segment)/(:segment)/(:num)', 'Report::opd_total_data/$1/$2/$3/$4/$5', ['filter' => $reportsCollectionFilter]);
+$routes->get('Report/report_opd_patient_list', 'Report::report_opd_patient_list', ['filter' => $reportsCollectionFilter]);
+$routes->get('Report/opd_patient_list_data/(:segment)/(:segment)/(:segment)', 'Report::opd_patient_list_data/$1/$2/$3', ['filter' => $reportsCollectionFilter]);
+$routes->get('Report/opd_patient_list_data/(:segment)/(:segment)/(:segment)/(:num)', 'Report::opd_patient_list_data/$1/$2/$3/$4', ['filter' => $reportsCollectionFilter]);
 $routes->get('Report/report_total_payment_app_show/(:segment)/(:segment)/(:segment)', 'Report::report_total_payment_app_show/$1/$2/$3', ['filter' => $reportsCollectionFilter]);
 $routes->get('Report/report_total_payment_app_show/(:segment)/(:segment)/(:segment)/(:num)', 'Report::report_total_payment_app_show/$1/$2/$3/$4', ['filter' => $reportsCollectionFilter]);
 $routes->get('Report/report_total_payment_app_show/(:segment)/(:segment)/(:segment)/(:segment)', 'Report::report_total_payment_app_show/$1/$2/$3/$4', ['filter' => $reportsCollectionFilter]);
diff --git a/app/Controllers/Report.php b/app/Controllers/Report.php
index c35bf9e..ea8aa35 100644
--- a/app/Controllers/Report.php
+++ b/app/Controllers/Report.php
@@ -58,6 +58,98 @@ class Report extends BaseController
         ]);
     }
 
+    public function report_opd_patient_list()
+    {
+        $doctors = $this->db->table('doctor_master')
+            ->select('id, p_fname')
+            ->where('active', 1)
+            ->orderBy('p_fname', 'ASC')
+            ->get()
+            ->getResult();
+
+        $referBys = $this->db->table('patient_master')
+            ->select('referby')
+            ->where('referby IS NOT NULL', null, false)
+            ->where("TRIM(referby) != ''", null, false)
+            ->where("TRIM(referby) != '0'", null, false)
+            ->groupBy('referby')
+            ->orderBy('referby', 'ASC')
+            ->get()
+            ->getResult();
+
+        return view('report/opd_patient_list_report', [
+            'doctors' => $doctors,
+            'refer_bys' => $referBys,
+        ]);
+    }
+
+    public function opd_patient_list_data(
+        string $dateRange,
+        string $doctorId = '0',
+        string $referBy = '0',
+        int $output = 0
+    ) {
+        [$minRange, $maxRange] = $this->parseDateRangeDateOnly($dateRange);
+
+        $builder = $this->db->table('opd_master o')
+            ->select('o.opd_id, o.opd_code, o.P_name, p.p_code, o.apointment_date, o.doc_name, p.referby')
+            ->select('o.opd_fee_desc, o.opd_fee_amount, o.payment_mode, o.running_opd')
+            ->join('patient_master p', 'p.id = o.p_id', 'left')
+            ->where("DATE(o.apointment_date) BETWEEN '{$minRange}' AND '{$maxRange}'", null, false)
+            ->where('(o.payment_mode > 0 OR COALESCE(o.running_opd,0)=1)', null, false)
+            ->orderBy('o.apointment_date', 'ASC')
+            ->orderBy('o.opd_id', 'ASC');
+
+        $doctorIdValue = (int) $doctorId;
+        if ($doctorIdValue > 0) {
+            $builder->where('o.doc_id', $doctorIdValue);
+        }
+
+        $referByValue = trim((string) urldecode($referBy));
+        if ($referByValue !== '' && $referByValue !== '0' && strtolower($referByValue) !== 'all') {
+            $builder->where('p.referby', $referByValue);
+        }
+
+        $rows = $builder->get()->getResult();
+        $content = view('report/opd_patient_list_report_table', [
+            'rows' => $rows,
+            'min_range' => $minRange,
+            'max_range' => $maxRange,
+        ]);
+
+        if ($output === 1) {
+            ExportExcel($content, 'OPD_Patient_List_' . date('YmdHis'));
+            return $this->response->setBody('');
+        }
+
+        if ($output === 2) {
+            $mpdfTempDir = WRITEPATH . 'cache' . DIRECTORY_SEPARATOR . 'mpdf';
+            if (! is_dir($mpdfTempDir)) {
+                mkdir($mpdfTempDir, 0755, true);
+            }
+
+            $mpdf = new Mpdf([
+                'tempDir' => $mpdfTempDir,
+                'format' => 'A4-L',
+                'margin_top' => 8,
+                'margin_bottom' => 8,
+                'margin_left' => 8,
+                'margin_right' => 8,
+            ]);
+            $pdfHtml = '<style>body{font-family:Arial,sans-serif;color:#111;font-size:11px;}table{width:100%;border-collapse:collapse;}th,td{border:1px solid #9aa4ad;padding:5px 6px;}th{text-align:left;background:#f5f6f7;}</style>'
+                . '<h3 style="margin:0 0 10px 0;">OPD Patient List</h3>' . $content;
+            $mpdf->WriteHTML($pdfHtml);
+
+            $fileName = 'OPD_Patient_List_' . date('Ymd_His') . '.pdf';
+            return $this->response
+                ->setHeader('Content-Type', 'application/pdf')
+                ->setHeader('Content-Disposition', 'inline; filename="' . $fileName . '"')
+                ->setBody($mpdf->Output($fileName, 'S'));
+        }
+
+        return $this->response->setBody($content);
+    }
+
     public function opd_total_data(
         string $dateRange,
         string $doctorId = '0',
diff --git a/app/Views/report/opd_patient_list_report.php b/app/Views/report/opd_patient_list_report.php
new file mode 100644
index 0000000..3e47fad
--- /dev/null
+++ b/app/Views/report/opd_patient_list_report.php
@@ -0,0 +1,96 @@
+<?php
+$doctors = $doctors ?? [];
+$referBys = $refer_bys ?? [];
+?>
+<section class="content">
+    <div class="card">
+        <div class="card-header d-flex justify-content-between align-items-center">
+            <h5 class="mb-0">OPD Patient List</h5>
+            <button type="button" class="btn btn-sm btn-outline-secondary" id="back_to_opd_total_report">Back to OPD Total</button>
+        </div>
+        <div class="card-body">
+            <div class="row g-3 align-items-end">
+                <div class="col-md-5">
+                    <label class="form-label">OPD Date Range</label>
+                    <div class="d-flex gap-2">
+                        <input type="date" class="form-control" id="opd_patient_start">
+                        <input type="date" class="form-control" id="opd_patient_end">
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <label class="form-label">Doctor Name</label>
+                    <select class="form-control select2" id="opd_patient_doctor">
+                        <option value="0">All Doctors</option>
+                        <?php foreach ($doctors as $row) : ?>
+                            <option value="<?= esc((string) ($row->id ?? '')) ?>"><?= esc((string) ($row->p_fname ?? '')) ?></option>
+                        <?php endforeach; ?>
+                    </select>
+                </div>
+                <div class="col-md-4">
+                    <label class="form-label">Refer By</label>
+                    <select class="form-control select2" id="opd_patient_refer_by">
+                        <option value="0">All Referrers</option>
+                        <?php foreach ($referBys as $row) : ?>
+                            <?php $referBy = trim((string) ($row->referby ?? '')); ?>
+                            <option value="<?= esc($referBy) ?>"><?= esc($referBy) ?></option>
+                        <?php endforeach; ?>
+                    </select>
+                </div>
+            </div>
+
+            <div class="mt-3 d-flex flex-wrap gap-2">
+                <button type="button" class="btn btn-primary" id="show_opd_patient_list">Show</button>
+                <button type="button" class="btn btn-outline-primary" id="export_opd_patient_list">Export</button>
+                <button type="button" class="btn btn-outline-danger" id="pdf_opd_patient_list">PDF</button>
+            </div>
+        </div>
+    </div>
+
+    <div class="card mt-3">
+        <div class="card-body">
+            <div id="opd_patient_list_result" class="table-responsive">Select filters and click Show.</div>
+        </div>
+    </div>
+</section>
+
+<script>
+(function () {
+    function toDateValue(date) {
+        var y = date.getFullYear();
+        var m = String(date.getMonth() + 1).padStart(2, '0');
+        var d = String(date.getDate()).padStart(2, '0');
+        return y + '-' + m + '-' + d;
+    }
+
+    var currentDate = toDateValue(new Date());
+    document.getElementById('opd_patient_start').value = currentDate;
+    document.getElementById('opd_patient_end').value = currentDate;
+
+    function buildQuery(output) {
+        var start = document.getElementById('opd_patient_start').value || currentDate;
+        var end = document.getElementById('opd_patient_end').value || currentDate;
+        var doctor = document.getElementById('opd_patient_doctor').value || '0';
+        var referBy = document.getElementById('opd_patient_refer_by').value || '0';
+        var url = '<?= base_url('Report/opd_patient_list_data') ?>/'
+            + encodeURIComponent(start + 'S' + end) + '/'
+            + encodeURIComponent(doctor) + '/'
+            + encodeURIComponent(referBy);
+        return output ? url + '/' + output : url;
+    }
+
+    document.getElementById('show_opd_patient_list').addEventListener('click', function () {
+        load_form_div(buildQuery(), 'opd_patient_list_result');
+    });
+    document.getElementById('export_opd_patient_list').addEventListener('click', function () {
+        window.open(buildQuery(1), '_blank');
+    });
+    document.getElementById('pdf_opd_patient_list').addEventListener('click', function () {
+        window.open(buildQuery(2), '_blank');
+    });
+    document.getElementById('back_to_opd_total_report').addEventListener('click', function () {
+        load_form('<?= base_url('Report/report_opd_total') ?>', 'OPD Total Report');
+    });
+
+    $('.select2').select2({ theme: 'bootstrap4', width: '100%' });
+})();
+</script>
diff --git a/app/Views/report/opd_patient_list_report_table.php b/app/Views/report/opd_patient_list_report_table.php
new file mode 100644
index 0000000..f729938
--- /dev/null
+++ b/app/Views/report/opd_patient_list_report_table.php
@@ -0,0 +1,44 @@
+<?php
+$rows = $rows ?? [];
+$minRange = $min_range ?? '';
+$maxRange = $max_range ?? '';
+$formatDate = static function ($value): string {
+    $timestamp = strtotime((string) $value);
+    return $timestamp === false ? (string) $value : date('d-m-Y H:i', $timestamp);
+};
+?>
+<p class="mb-2"><strong>OPD Date Range:</strong> <?= esc(date('d-m-Y', strtotime($minRange))) ?> to <?= esc(date('d-m-Y', strtotime($maxRange))) ?></p>
+<?php if (empty($rows)) : ?>
+    <div class="text-muted">No OPD patient records found for the selected filters.</div>
+<?php else : ?>
+    <table class="table table-bordered table-sm align-middle">
+        <thead class="table-warning">
+            <tr>
+                <th>#</th>
+                <th>OPD Code</th>
+                <th>Patient Name</th>
+                <th>Patient Code</th>
+                <th>OPD Date</th>
+                <th>Doctor</th>
+                <th>Refer By</th>
+                <th>Fee Type</th>
+                <th class="text-end">Fee</th>
+            </tr>
+        </thead>
+        <tbody>
+            <?php foreach ($rows as $index => $row) : ?>
+                <tr>
+                    <td><?= esc((string) ($index + 1)) ?></td>
+                    <td><?= esc((string) ($row->opd_code ?? '')) ?></td>
+                    <td><?= esc((string) ($row->P_name ?? '')) ?></td>
+                    <td><?= esc((string) ($row->p_code ?? '')) ?></td>
+                    <td><?= esc($formatDate($row->apointment_date ?? '')) ?></td>
+                    <td><?= esc((string) ($row->doc_name ?? '')) ?></td>
+                    <td><?= esc((string) ($row->referby ?? '')) ?></td>
+                    <td><?= esc((string) ($row->opd_fee_desc ?? '')) ?></td>
+                    <td class="text-end"><?= esc(number_format((float) ($row->opd_fee_amount ?? 0), 2)) ?></td>
+                </tr>
+            <?php endforeach; ?>
+        </tbody>
+    </table>
+<?php endif; ?>
diff --git a/app/Views/report/opd_total_report.php b/app/Views/report/opd_total_report.php
index 9d97000..caeca86 100644
--- a/app/Views/report/opd_total_report.php
+++ b/app/Views/report/opd_total_report.php
@@ -52,6 +52,7 @@ $feeTypes = $fee_types ?? [];
                 <button type="button" class="btn btn-primary" id="show_opd_total_report">Show</button>
                 <button type="button" class="btn btn-outline-primary" id="export_opd_total_report">Export</button>
                 <button type="button" class="btn btn-outline-danger" id="pdf_opd_total_report">PDF</button>
+                <button type="button" class="btn btn-outline-secondary" id="open_opd_patient_list">OPD Patient List</button>
             </div>
         </div>
     </div>
@@ -107,6 +108,10 @@ $feeTypes = $fee_types ?? [];
             window.open(buildQuery() + '/2', '_blank');
         });
 
+        document.getElementById('open_opd_patient_list').addEventListener('click', function() {
+            load_form('<?= base_url('Report/report_opd_patient_list') ?>', 'OPD Patient List');
+        });
+
         $('.select2').select2({
             theme: 'bootstrap4',
             width: '100%'