Halil Alis: bariatric surgeon profile

Surgeon profile

Halil Alis: bariatric surgeon profile

Halil Alis — Valued Med Hub Hospitals

Research project led by Yevhenii Kozlov · Co-Founder of BookimedUpdated 21 October 2026Sources linked throughout
Request a bariatric assessment

Free Bookimed support. Compare options before deciding.

About Halil Alis

Halil Alis is a colorectal surgeon at Valued Med Hub Hospitals in Istanbul, Turkey. The bariatric procedures associated with Halil Alis include gastric banding, gastric bypass and sleeve gastrectomy. Publications linked to Halil Alis cover weight-loss patterns after laparoscopic sleeve gastrectomy by age and preoperative weight (2025); body composition before and one year after laparoscopic sleeve gastrectomy (2026); two approaches to abdominal wall nerve blocks for pain relief in sleeve gastrectomy (2026). These publication topics do not establish personal surgical results or who performed the operations. To ask about bariatric care with Halil Alis, use the Bookimed inquiry page for Halil Alis.

Sources (1)

Clinic and location

Halil Alis · Valued Med Hub Hospitals · Istanbul, Turkey

Bookimed doctor profile

Sources (1)

Operations and published practice

  • Band
  • Bypass
  • Sleeve
Published practice information

Halil Alış Liv Hospital Topkapı General Surgery

Source for this statement

practice

Areas of Interests Laparoscopic surgery Robotic surgery Obesity surgery

Supporting source

operations on named doctor page

He treats obesity through techniques like gastric bypass and sleeve gastrectomy.

Supporting source

university identity link

2017- Professor of General Surgery – Istanbul Aydın University Health Application and Research Center

Supporting source

Sources (2)

Reported experience

34 years of experience. Biography source

Sources (1)

Publications

  • Weight loss dynamics after laparoscopic sleeve gastrectomy: a retrospective single center analysis with age and preoperative weight stratification. (2025). Publication
  • Association Between Pre-Operative Fat Mass and Appendicular Lean Soft-Tissue Mass Before and One Year After Laparoscopic Sleeve Gastrectomy: A Sex-Stratified Body Composition Study. (2026). Publication
  • Laparoscopic versus ultrasound-guided subcostal transversus abdominis plane block in sleeve gastrectomy: A randomised comparison of analgesic effectiveness and procedural feasibility. (2026). Publication
Sources (3)

Ask about treatment

Ask Bookimed about Halil Alis

Request a treatment proposal

Answer a few questions on Bookimed, then add your contact details to request help. Privacy policy

Turn information into your next step.

Free Bookimed support. Compare options before deciding.

Request a bariatric assessment

Request a bariatric assessment

Free Bookimed support. Compare options before deciding.

const menu=root.querySelector('.menu-button'),nav=root.querySelector('.mobile-nav'); menu?.addEventListener('click',()=>{const open=menu.getAttribute('aria-expanded')!=='true';menu.setAttribute('aria-expanded',String(open));nav.hidden=!open;root.classList.toggle('menu-open',open);menu.textContent=open?'×':'☰';}); const sourceSelect=Object.fromEntries(Object.entries(leadConfig.page_topics).map(([page,topic])=>[page,leadConfig.topics[topic].name])); const incoming=new URLSearchParams(location.search).get('procedure'); const incomingTopicKey=Object.keys(leadConfig.topics).find(k=>leadConfig.topics[k].name===incoming); const allowedProfileTopics=(leadConfig.page_allowed_topics||{})[root.dataset.page]; const knownIncoming=incomingTopicKey&&(!allowedProfileTopics||allowedProfileTopics.includes(incomingTopicKey))?incoming:undefined; const activeProcedure=((leadConfig.flexible_pages||[]).includes(root.dataset.page)||root.dataset.page.startsWith('doctor-')||root.dataset.page.startsWith('clinic-'))?(knownIncoming||sourceSelect[root.dataset.page]):(sourceSelect[root.dataset.page]||knownIncoming); const keepProcedure=value=>{ currentLeadTopic=topicKey(value);refreshLeads(); root.querySelectorAll('a[data-team-link],a[data-context-link]').forEach(link=>{const target=new URL(link.href);if(!(target.pathname.startsWith('/bariatric-surgery/doctor-')||target.pathname.startsWith('/bariatric-surgery/clinic-')))return;if(value)target.searchParams.set('procedure',value);else target.searchParams.delete('procedure');link.href=target.pathname+target.search+target.hash;}); }; keepProcedure(activeProcedure); const topic=root.querySelector('#consultation-topic');if(topic&&activeProcedure){topic.hidden=false;topic.textContent='Your consultation topic: '+activeProcedure+'. This will be included in your request.';} const choices=[...root.querySelectorAll('[data-compare]')],comparison=root.querySelector('#compare-selected'); let updateComparison=()=>{}; if(comparison){updateComparison=(input)=>{ if(choices.filter(c=>c.checked).length>3){if(input)input.checked=false;root.querySelector('#compare-status').textContent='Choose up to 3 hospitals. Remove one before adding another.';return;} const selected=choices.filter(c=>c.checked).map(c=>c.closest('.provider'));comparison.hidden=!selected.length;root.querySelector('#compare-jump').hidden=!selected.length; root.querySelector('#compare-status').textContent=selected.length?selected.length+' selected — your comparison is below the hospital cards.':'Select up to 3 hospitals to compare their reported services and teams.'; const table=root.querySelector('#compare-table');table.replaceChildren();const head=document.createElement('thead'),hr=document.createElement('tr'); ['Compare',...selected.map(c=>c.querySelector('h3').textContent)].forEach(text=>{const cell=document.createElement('th');cell.scope='col';cell.textContent=text;hr.append(cell);});head.append(hr);table.append(head); const body=document.createElement('tbody'); const rows=[['Location',c=>c.querySelector('.place').textContent],['Why consider this team',c=>c.querySelector('.programme-fit').textContent],['Methods and procedures',c=>[...c.querySelectorAll('.tag')].map(t=>t.textContent).join('; ')],['Clinical detail',c=>[...c.querySelectorAll('.clinic-highlights li')].map(li=>li.textContent).join(' ')||c.querySelector('.programme-summary').textContent],['Named specialist',c=>c.dataset.surgeon],['Distinctive clinical value',c=>c.dataset.comparison]]; rows.forEach(([label,read])=>{const row=document.createElement('tr'),he=document.createElement('th');he.scope='row';he.textContent=label;row.append(he);selected.forEach(card=>{const cell=document.createElement('td');cell.textContent=read(card);row.append(cell);});body.append(row);}); const sr=document.createElement('tr'),sh=document.createElement('th');sh.scope='row';sh.textContent='Read the evidence';sr.append(sh);selected.forEach(card=>{const cell=document.createElement('td');cell.append(card.querySelector('.source-line').cloneNode(true));sr.append(cell);});body.append(sr);table.append(body); selectedTeams=selected.map(c=>c.querySelector('h3').textContent).join(' / ');const link=comparison.querySelector('[data-cta]');link.dataset.preference=selectedTeams?'Compare: '+selectedTeams:'';refreshLeads(); if(input)track('bariatric_hub_compare',{selected_count:selected.length}); };choices.forEach(input=>input.addEventListener('change',()=>updateComparison(input)));} const rankProcedure=root.querySelector('#rank-procedure'),rankLens=root.querySelector('#rank-lens'); if(rankProcedure){ const cards=[...root.querySelectorAll('[data-rank-family]')]; const updateRank=()=>{let n=0;cards.forEach(card=>{const show=(!rankProcedure.value||card.dataset.rankFamily===rankProcedure.value)&&(rankLens.value==='all'||card.dataset['rank'+(rankLens.value==='anatomy'?'Anatomy':rankLens.value==='multi'?'Multi':'Small')]==='true');card.hidden=!show;if(show)n++;});root.querySelector('#ranking-status').textContent=n+' surgical teams shown'+(n?'':' · No reviewed team matches this focus.');}; const revealStudy=()=>{const target=document.getElementById(location.hash.slice(1));if(!target?.classList.contains('study-evidence'))return;const details=target.closest('details');if(details)details.open=true;if(target.closest('.ranking-card')?.hidden){rankLens.value='all';updateRank();}target.scrollIntoView({block:'start'});};window.addEventListener('hashchange',revealStudy); const savedLens=new URLSearchParams(location.search).get('rank_focus');if([...rankLens.options].some(o=>o.value===savedLens))rankLens.value=savedLens; rankProcedure.addEventListener('change',()=>{location.assign((leadConfig.directory_routes['surgeon-rankings'][rankProcedure.value]||'/bariatric-surgery/surgeon-rankings/')+'#ranked-comparison');}); rankLens.addEventListener('change',()=>{updateRank();const u=new URL(location.href);if(rankLens.value==='all')u.searchParams.delete('rank_focus');else u.searchParams.set('rank_focus',rankLens.value);history.replaceState(null,'',u.pathname+u.search+u.hash);});updateRank();revealStudy(); } const diagnosisInput=root.querySelector('#diagnosis-search'); if(diagnosisInput){const rows=[...root.querySelectorAll('[data-diagnosis]')];const normalize=v=>v.toLocaleLowerCase().replaceAll('ё','е').normalize('NFKC');diagnosisInput.addEventListener('input',()=>{const tokens=normalize(diagnosisInput.value.trim()).split(/\s+/).filter(Boolean);let count=0;rows.forEach(row=>{const text=normalize(row.dataset.diagnosis);const show=tokens.every(token=>token.length0;});}

const doctorSelect=root.querySelector('#specialist-procedure'),doctorSearch=root.querySelector('#specialist-search'); if(doctorSelect){ const cards=[...root.querySelectorAll('[data-doctor-topics]')]; const filterDoctors=(emit=false)=>{ const key=doctorSelect.value,needle=doctorSearch.value.trim().toLocaleLowerCase();let n=0; cards.forEach(card=>{const show=(key==='bariatric'||card.dataset.doctorTopics.split('|').includes(key))&&(!needle||card.dataset.doctorSearch.toLocaleLowerCase().includes(needle));card.hidden=!show;if(show)n++;}); root.querySelector('#specialist-count').textContent=n+(n===1?' specialist shown':' specialists shown')+(key==='bariatric'?'':' · '+doctorSelect.selectedOptions[0].textContent); root.querySelector('#specialist-empty').hidden=n>0; keepProcedure(key==='bariatric'?undefined:leadConfig.topics[key].name); }; doctorSelect.addEventListener('change',()=>location.assign(leadConfig.directory_routes.surgeons[doctorSelect.value]||'/bariatric-surgery/surgeons/'));doctorSearch.addEventListener('input',()=>filterDoctors(false));filterDoctors(); }

const catalogue=root.querySelector('[data-treatment-catalogue]'); if(catalogue){ const records=JSON.parse(root.querySelector('#treatment-records').textContent),cards=[...catalogue.querySelectorAll('[data-treatment-id]')],focus=root.querySelector('#treatment-focus'),selection=root.querySelector('#treatment-selection'),panel=root.querySelector('#treatment-comparison'),table=root.querySelector('#treatment-compare-table'); const compare=()=>{const selected=cards.filter(c=>c.querySelector('input').checked).map(c=>records.find(p=>p.id===c.dataset.treatmentId));panel.hidden=selected.length1?'Compare programmes: ':'')+selected.map(p=>p.doctor+' — '+p.clinic).join(' / ');currentLeadTopic=selected.length?selected[0].topic_key:(leadConfig.page_topics[root.dataset.page]||'bariatric');refreshLeads(); if(selected.lengthp.label],['Doctor / team',p=>p.doctor],['Method',p=>p.method],['Why consider it',p=>p.card_benefit],['Price',p=>p.price_label],['What the quote covers',p=>p.care_summary],['Research',p=>p.evidence],['Actual operator',p=>p.operator_assignment]]; const tbody=document.createElement('tbody');rows.forEach(([name,get])=>{const tr=document.createElement('tr'),th=document.createElement('th');th.scope='row';th.textContent=name;tr.append(th);selected.forEach(p=>{const td=document.createElement('td');td.textContent=get(p);tr.append(td)});tbody.append(tr)});table.append(tbody); const link=panel.querySelector('[data-lead]');link.dataset.preference='Compare programmes: '+selected.map(p=>p.doctor+' — '+p.clinic).join(' / ');link.dataset.fixedTopic=leadConfig.topics[selected[0].topic_key].name;refreshLeads();track('bariatric_hub_programme_compare',{count:selected.length,procedure_group:selected[0].topic_key}); }; cards.forEach(card=>card.querySelector('input').addEventListener('change',event=>{const chosen=cards.filter(c=>c.querySelector('input').checked);if(chosen.length>3||new Set(chosen.map(c=>c.dataset.topic)).size>1){event.target.checked=false;selection.textContent='Compare up to 3 programmes for the same condition. Open another condition to compare a different operation.';return;}compare()})); focus?.addEventListener('change',()=>{let n=0;cards.forEach(c=>{const show=focus.value==='all'||c.dataset.focus.split('|').includes(focus.value);c.hidden=!show;if(show)n++;else c.querySelector('input').checked=false});root.querySelector('#treatment-count').textContent=n+(n===1?' programme shown':' programmes shown');root.querySelector('#treatment-empty').hidden=n>0;compare()}); }

const f=root.querySelector('#consultation-form'); if(f){ const q=new URLSearchParams(location.search),select=f.querySelector('#procedure'); const prior=q.get('procedure');if([...select.options].some(o=>o.value===prior))select.value=prior; const preference=(q.get('programme')||'').slice(0,360); const context=root.querySelector('#request-context');if(preference){context.hidden=false;context.textContent='Your selected team: '+preference;} f.addEventListener('submit',event=>{event.preventDefault();if(!f.reportValidity())return;const lead=makeLead(preference,select.value,'consultation-guide');leadHandoff(event,lead);if(!local)location.assign(lead.url);}); } root.querySelectorAll('a[data-cta]').forEach(link=>link.addEventListener('click',()=>track('bariatric_hub_consultation_start',{placement:link.dataset.cta}))); root.querySelectorAll('a[data-commercial]').forEach(link=>link.addEventListener('click',()=>track('bariatric_hub_offer_click',{destination:link.dataset.commercial}))); })();