");vwo_$('head').append(_vwo_sel);return vwo_$('head')[0] && vwo_$('head')[0].lastChild;})("HEAD")}}, R_864603_36_1_2_0:{ fn:function(log,nonce=''){return (function(x) {
if(!vwo_$.fn.vwoRevertHtml){
return;
};
var ctx=vwo_$(x),el;
/*vwo_debug log("Revert","content",""); vwo_debug*/;
el=vwo_$('[vwo-element-id="1736441777878"]');
el.revertContentOp().remove();})("HEAD")}}, C_864603_36_1_2_1:{ fn:function(log,nonce=''){return (function(x) {var el,ctx=vwo_$(x);
/*vwo_debug log("addElement","body"); vwo_debug*/!(el=vwo_$("body")).find('[vwo-op-1736441776854=""]').length&&el.vwoElement({html:'',position:"append"});})("body")}}, R_864603_36_1_2_1:{ fn:function(log,nonce=''){return (function(x) {
if(!vwo_$.fn.vwoRevertHtml){
return;
};
var el,ctx=vwo_$(x);
/*vwo_debug log("Revert","addElement","body"); vwo_debug*/(el=vwo_$('[vwo-element-id="1736441776800"]')).remove();})("body")}}},rules:[{"triggers":["9621669"],"tags":[{"id":"sampleVisitor","data":{"samplingRate":-2,"priority":2}}]},{"triggers":["9621666"],"tags":[{"id":"sampleVisitor","data":{"samplingRate":10,"priority":1}}]},{"triggers":["10468921"],"tags":[{"id":"metric","metricId":0,"data":{"campaigns":[{"c":36,"g":3}],"type":"g"}}]},{"triggers":["10465954"],"tags":[{"data":"campaigns.36","id":"runCampaign","priority":4}]},{"triggers":["75"],"tags":[{"id":"urlChange"}]},{"triggers":["5"],"tags":[{"id":"checkEnvironment"}]},{"triggers":["8"],"tags":[{"id":"groupCampaigns","priority":2},{"id":"prePostMutation","priority":3}]},{"triggers":["9"],"tags":[{"id":"visibilityService","priority":2}]},{"triggers":["2"],"tags":[{"id":"runTestCampaign"}]}],pages:{"ec":[{"1680387":{"inc":["o",["url","urlReg","(?i)^.*$"]]}},{"1837564":{"inc":["o",["url","urlReg","(?i).*"]]}}]},pagesEval:{"ec":[1680387,1837564]}}})();
;;var commonWrapper=function(argument){if(!argument){argument={valuesGetter:function(){return{}},valuesSetter:function(){},verifyData:function(){return{}}}}var pollInterval=100;var timeout=6e4;return function(){var accountIntegrationSettings={};var _interval=null;function waitForAnalyticsVariables(){try{accountIntegrationSettings=argument.valuesGetter()}catch(error){accountIntegrationSettings=undefined}if(accountIntegrationSettings&&argument.verifyData(accountIntegrationSettings)){argument.valuesSetter(accountIntegrationSettings);return 1}return 0}var currentTime=0;_interval=setInterval((function(){currentTime=currentTime||performance.now();var result=waitForAnalyticsVariables();if(result||performance.now()-currentTime>=timeout){clearInterval(_interval)}}),pollInterval)}};
var pushBasedCommonWrapper=function(argument){var firedCamp={};if(!argument){argument={integrationName:"",getExperimentList:function(){},accountSettings:function(){},pushData:function(){}}}return function(){window.VWO=window.VWO||[];var sendDebugLogs=function(expId,variationId,errorType,user_type,data){try{var errorPayload={f:argument["integrationName"]||"",a:window._vwo_acc_id,url:window.location.href,exp:expId,v:variationId,vwo_uuid:window.VWO._&&window.VWO._.cookies&&window.VWO._.cookies.get("_vwo_uuid"),user_type:user_type};if(errorType=="initIntegrationCallback"){errorPayload["log_type"]="initIntegrationCallback";errorPayload["data"]=JSON.stringify(data||"")}else if(errorType=="timeout"){errorPayload["timeout"]=true}if(window.VWO._.customError){window.VWO._.customError({msg:"integration debug",url:window.location.href,lineno:"",colno:"",source:JSON.stringify(errorPayload)})}}catch(e){window.VWO._.customError&&window.VWO._.customError({msg:"integration debug failed",url:"",lineno:"",colno:"",source:""})}};const callbackFn=function(data){if(window._vwo_acc_id===958122||window._vwo_acc_id===900503){sendDebugLogs(0,0,"initIntegrationCallback","",data)}if(!data)return;var expId=data[1],variationId=data[2],repeated=data[0],singleCall=0,debug=0;var experimentList=argument.getExperimentList();var integrationName=argument["integrationName"]||"vwo";if(typeof argument.accountSettings==="function"){var accountSettings=argument.accountSettings();if(accountSettings){singleCall=accountSettings["singleCall"];debug=accountSettings["debug"]}}if(singleCall&&(repeated==="vS"||repeated==="vSS")||firedCamp[expId]){return}window.expList=window.expList||{};var expList=window.expList[integrationName]=window.expList[integrationName]||[];if(expId&&variationId&&["VISUAL_AB","VISUAL","SPLIT_URL"].indexOf(_vwo_exp[expId].type)>-1){if(experimentList.indexOf(+expId)!==-1){firedCamp[expId]=variationId;var pollInterval=100;var currentTime=0;var timeout=6e4;var user_type=_vwo_exp[expId].exec?"vwo-retry":"vwo-new";var interval=setInterval((function(){if(expList.indexOf(expId)!==-1){clearInterval(interval);return}currentTime=currentTime||performance.now();var toClearInterval=argument.pushData(expId,variationId);if(debug&&toClearInterval){sendDebugLogs(expId,variationId,"",user_type)}var isTimeout=performance.now()-currentTime>=timeout;if(isTimeout&&debug){sendDebugLogs(expId,variationId,"timeout",user_type)}if(toClearInterval||isTimeout){clearInterval(interval)}if(toClearInterval){window.expList[integrationName].push(expId)}}),pollInterval||100)}}};window.VWO.push(["onVariationApplied",callbackFn]);window.VWO.push(["onVariationShownSent",callbackFn])}};
var surveyDataCommonWrapper=function(argument){if(!argument){argument={getCampaignList:function(){return[]},surveyStatusChange:function(){},answerSubmitted:function(){}}}return function(){window.VWO=window.VWO||[];function getValuesFromAnswers(answers){var values=[];for(var i=0;i=timeout;if(toClearInterval||isTimeout){clearInterval(interval)}}),pollInterval)}}window.VWO.push(["onSurveyShown",function(data){commonSurveyCallback(data,argument.surveyStatusChange,"surveyShown")}]);window.VWO.push(["onSurveyCompleted",function(data){commonSurveyCallback(data,argument.surveyStatusChange,"surveyCompleted")}]);window.VWO.push(["onSurveyAnswerSubmitted",function(data){commonSurveyCallback(data,argument.answerSubmitted,"surveySubmitted")}])}};
(function(){var VWOOmniTemp={};window.VWOOmni=window.VWOOmni||{};for(var key in VWOOmniTemp)Object.prototype.hasOwnProperty.call(VWOOmniTemp,key)&&(window.VWOOmni[key]=VWOOmniTemp[key]);;})();(function(){window.VWO=window.VWO||[];var pollInterval=100;var _vis_data={};var intervalObj={};var analyticsTimerObj={};var experimentListObj={};window.VWO.push(["onVariationApplied",function(data){if(!data){return}var expId=data[1],variationId=data[2];if(expId&&variationId&&["VISUAL_AB","VISUAL","SPLIT_URL"].indexOf(window._vwo_exp[expId].type)>-1){}}])})();;
;var vD=VWO.data||{};VWO.data={content:{"fns":{"list":{"args":{"1":{}},"vn":1}}},as:"r5.visualwebsiteoptimizer.com",dacdnUrl:"https://dev.visualwebsiteoptimizer.com",accountJSInfo:{"ts":1736523573,"pc":{"t":0,"a":0},"pvn":2,"rp":90,"noSS":false}};for(var k in vD){VWO.data[k]=vD[k]};;var gcpfb=function(a,loadFunc,status,err,success){if(a.indexOf("/cdn/")!==-1){loadFunc(a.replace("cdn/",""),err,success); _vwo_err({message:"Google_Cdn failing for " + a + ". Trying Fallback..",code:"cloudcdnerr",status:status}); return true;}};window.VWO=window.VWO || [];window.VWO._= window.VWO._ || {};window.VWO._.gcpfb=gcpfb;;var d={cookie:document.cookie,URL:document.URL,referrer:document.referrer};var w={VWO:{_:{}},location:{href:window.location.href,search:window.location.search},_vwoCc:window._vwoCc};;window._vwo_cdn="https://dev.visualwebsiteoptimizer.com/cdn/";window._VWO=window._VWO||{};window._VWO.fSeg={};window._VWO.dcdnUrl="/dcdn/settings.js";window.VWO.sTs=1736441795;window._VWO._vis_nc_lib=window._vwo_cdn+"edrv/nc-b168471f1474c206fd3eed5be0cade89br.js";var loadWorker=function(url){_vwo_code.load(url,{dSC: true, onloadCb: function(xhr,a){window._vwo_wt_l=true;if(xhr.status===200 ||xhr.status===304){var code="var window="+JSON.stringify(w)+",document="+JSON.stringify(d)+";window.document=document;"+xhr.responseText;var blob=new Blob([code||"throw new Error('code not found!');"],{type:"application/javascript"}),url=URL.createObjectURL(blob);window.mainThread={webWorker:new Worker(url)};window.vwoChannelFW=new MessageChannel();window.vwoChannelToW=new MessageChannel();window.mainThread.webWorker.postMessage({vwoChannelToW:vwoChannelToW.port1,vwoChannelFW:vwoChannelFW.port2},[vwoChannelToW.port1, vwoChannelFW.port2]);if(!window._vwo_mt_f)return window._vwo_wt_f=true;_vwo_code.addScript({text:window._vwo_mt_f});delete window._vwo_mt_f}else{if(gcpfb(a,loadWorker,xhr.status)){return;}_vwo_code.finish("&e=loading_failure:"+a)}}, onerrorCb: function(a){if(gcpfb(a,loadWorker)){return;}window._vwo_wt_l=true;_vwo_code.finish("&e=loading_failure:"+a);}})};loadWorker("https://dev.visualwebsiteoptimizer.com/cdn/edrv/worker-037b3686a29813ddf37c49bbdbe596a4br.js");;var _vis_opt_file;var _vis_opt_lib;if(window.VWO._.allSettings.dataStore.previewExtraSettings!=undefined&&window.VWO._.allSettings.dataStore.previewExtraSettings.isSurveyPreviewMode){var surveyHash=window.VWO._.allSettings.dataStore.plugins.LIBINFO.SURVEY.HASH;var param1="evad.js?va=";var param2="&d=debugger_new";var param3="&sp=1&sh="+surveyHash;_vis_opt_file=vwoCode.use_existing_jquery&&typeof vwoCode.use_existing_jquery()!=="undefined"?vwoCode.use_existing_jquery()?param1+"vanj"+param2:param1+"va_gq"+param2:param1+"edrv/va_gq-49922f4535d1d15cf476dd37801f00acbr.js"+param2;_vis_opt_file=_vis_opt_file+param3;_vis_opt_lib="https://dev.visualwebsiteoptimizer.com/"+_vis_opt_file}else if(window.VWO._.allSettings.dataStore.mode!=undefined&&window.VWO._.allSettings.dataStore.mode=="PREVIEW"){var path1="evad.js?va=";var path2="&d=debugger_new&h=-19f43a7b705eabb0f7fed83b911f5b00";_vis_opt_file=vwoCode.use_existing_jquery&&typeof vwoCode.use_existing_jquery()!=="undefined"?vwoCode.use_existing_jquery()?path1+"vanj"+path2:path1+"va_gq"+path2:path1+"edrv/va_gq-49922f4535d1d15cf476dd37801f00acbr.js"+path2;_vis_opt_lib="https://dev.visualwebsiteoptimizer.com/"+_vis_opt_file}else{_vis_opt_file=vwoCode.use_existing_jquery&&typeof vwoCode.use_existing_jquery()!=="undefined"?vwoCode.use_existing_jquery()?"edrv/vanj-5b8a0ec463a35174041e24d61954dc91br.js":"edrv/va_gq-49922f4535d1d15cf476dd37801f00acbr.js":"edrv/va_gq-49922f4535d1d15cf476dd37801f00acbr.js"}window._vwo_library_timer=setTimeout((function(){vwoCode.removeLoaderAndOverlay&&vwoCode.removeLoaderAndOverlay();vwoCode.finish()}),vwoCode.library_tolerance&&typeof vwoCode.library_tolerance()!=="undefined"?vwoCode.library_tolerance():2500),_vis_opt_lib=typeof _vis_opt_lib=="undefined"?window._vwo_cdn+_vis_opt_file:_vis_opt_lib;var loadLib=function(url){_vwo_code.load(url, {dSC: true, onloadCb:function(xhr,a){window._vwo_mt_l=true;if(xhr.status===200 || xhr.status===304){if(!window._vwo_wt_f)return window._vwo_mt_f=xhr.responseText;_vwo_code.addScript({text:xhr.responseText});delete window._vwo_wt_f;}else{if(gcpfb(a,loadLib,xhr.status)){return;}_vwo_code.finish("&e=loading_failure:"+a);}}, onerrorCb: function(a){if(gcpfb(a,loadLib)){return;}window._vwo_mt_l=true;_vwo_code.finish("&e=loading_failure:"+a);}})};loadLib(_vis_opt_lib);VWO.load_co=function(u,opts){return window._vwo_code.load(u,opts);};;;}}catch(e){_vwo_code.finish();_vwo_code.removeLoaderAndOverlay&&_vwo_code.removeLoaderAndOverlay();_vwo_err(e);window.VWO.caE=1}})();
About
John K. Stokes, MD, is a fellowship trained spinal neurosurgeon with Ascension Texas Spine and Scoliosis in Austin, Texas. Dr. Stokes is board certified in neurosurgery, and provides surgical intervention to patients with a variety of spinal disorders, ranging from general to complex. He has a special interest in spinal cord/column tumors, artificial cervical disc replacement, and minimally invasive techniques. He has been in practice in Austin for more than 18 years, and has performed thousands of spinal procedures. Dr. Stokes maintains one of the busiest surgical practices in the region, while practicing an ethical "conservative care first" philosophy. Dr. Stokes is also the Director of the Spine Program at Ascension Seton.
Education Medical
University Of Texas Medical School At San Antonio Fellowship
Cedars-Sinai Institute for Spinal Disorders Residency
University of North Carolina Hospitals Internship
University of North Carolina Hospitals Qualifications Hospital Affiliations
Ascension Seton Hays Ascension Seton Highland Lakes Ascension Seton Medical Center Austin Dell Children's Medical Center Dell Children's Medical Center North Campus Dell Seton Medical Center at The University of Texas Certifications
The American Board of Neurological Surgery - Neurological Surgery