Ayhan Baltay
M.D. Specialist
Cardiology
Istanbul Oncology Hospital
İstanbul · since 2015
Registered as Özel İstanbul Onkoloji Hastanesi
No longer on the register · ST-0983
Investigation status: Public registry data only — no comprehensive investigation performed.
Investigate this clinic
We can research clinics and doctors, query official sources, examine documents and compare public records. We cannot guarantee that an authority replies, access confidential inspection data, or predict medical outcomes.
This facility is no longer on the Ministry of Health register
It left the register on 2026-09-22. Its authorisation number ST-0983 no longer appears on the official list. The record below is kept as it last stood, so that it can still be checked. Before booking, ask the facility for its current authorisation and look it up again here. What changed in the register.
Istanbul Oncology Hospital is a private hospital in İstanbul. It holds health tourism authorisation ST-0983 from the Turkish Ministry of Health — the licence a facility must hold before it may treat patients from abroad. The register lists 41 doctors, 75 beds and a total staff of 350, and records the facility as operating since 2015 (year recorded in the register). Treatments on record: Abdominoplasty, Angioplasty, Bariatric Surgery and Breast Augmentation, and 93 more. Staff are listed as speaking Arabic, English, Georgian, Russian, Turkish and Uzbek.
- LicenceST-0983
- Clinicians on record41
- Operating since2015register year
- Total staff350
- Beds75
Is Istanbul Oncology Hospital listed as authorised for international health tourism?
Formerly listed — left the register on 2026-09-22.
Being on the register says a facility holds the authorisation. It is not a quality or safety verdict; that is what an independent investigation is for.
- Licence
- ST-0983
- Register status
- no longer listed
- Clinicians on the register
- 41
- Official documents on file
- 1
- Register last read
- 2026-10-29
What the register cannot tell you: whether the clinicians are skilled, whether a plan is right for you, or what happens if something goes wrong. The licence is permission, not a quality mark. How to verify a licence yourself.
Names and addresses on record
Each value shows the kind of source it comes from and when it was last checked. The official name, the company that operates the facility and the name it trades under are different things; one is never shown as another.
- Official facility name (as recorded)
- Özel İstanbul Onkoloji HastanesiOfficial registerchecked 2026-10-29Ministry of Health register
- Legal entity (operator)
- Not established in the sources examinedNot established
- Trading name
- Not established in the sources examinedNot established
- Address in the register
- Not established in the sources examinedNot established
- Address held by the local authority
- Not established in the sources examinedNot established
- Address the clinic states
- Not established in the sources examinedNot established
What the records establish — and what remains to be established
What the records establish
- Formerly listed on the Ministry of Health's health-tourism register; left it on 2026-09-22 (reference ST-0983).
- International Health Tourism Authorisation Certificate ST-0983: copy on file, hashed on 2026-10-28.
- 41 clinicians on the register record as of 2026-10-29.
What remains to be established
- Which physicians are currently affiliated with the facility?
- Does the address match how it appears in other official sources?
- Is the authorisation's current status re-confirmed with the Ministry?
- What does official correspondence about the facility say?
The same open questions apply to every clinic. They are not findings about this one.
Before you commit
A free checklist, the same for every clinic.
- The name on your contract is the official facility name on the register.
- The address where the procedure takes place matches the registered address.
- The treating clinician is named in writing.
- You know which company issues the quote.
- Warranty and aftercare terms are in writing.
- You know which company's account receives the deposit.
- The scope of treatment and any extra costs are in writing.
- The health-tourism authorisation has been re-checked shortly before you book.
Clinimora does not arrange payments or appointments.
Treatments
Declared in the official portal Facility declared
Entered by the facility on the Ministry-hosted portal. A listed treatment is not a statement about who performs it or how well.
AbdominoplastyAngioplastyBariatric SurgeryBreast AugmentationBreast ImplantBreast Implant RemovalBreast LiftBreast ReconstructionBreast ReductionBronchoscopy (Diagnosis and Treatment)Cervical DissectionCervical LaminectomyCervical Lymph Node DissectionChemotherapyChest Trauma SurgeryCircumcisionColectomyColonoscopyColostomyCorrection of GynecomastiaCranial Tumor SurgeriesCraniotomyCyberKnifeDiabetes Surgery
Show the remaining 73 treatments
Diagnosis and Treatment of Lung CancerEndocrine (Hormone) Therapy for CancerExcision of Glial TumorGammaKnifeGastrectomyHemicolectomyHemorrhoidectomyHepatic SegmentectomyHysterectomyInternal UrethrotomyIntranasal Turbinate TreatmentsKnee ArthroplastyLaminectomyLaminoplastyLaminotomyLaparatomyLaryngectomyLINACLobectomyLumbar DiskectomyLumbar HemilaminectomyLumbar Herniated Disc (Microdiscectomy, Hernia Mesh Surgery)Lung Cancer SurgeryLung ResectionLymphedema TherapyMastectomyMaxillectomyMini AbdominoplastyNephrectomyNephrostomyNeuroendocrine Tumor Treatment with LUTATHERA (Lu-177 Dotatate)Nuclear Cancer TreatmentsObesity SurgeryParotidectomy (Salivary Gland Surgery)Peripheral Nerve SurgeryProstate Cancer Treatment with Lu-177 PSMARadiation TherapyRadioactive Iodine (I-131) (Iodine-131) (Low Dose and High Dose)RadiosurgeryRepair of Lung HerniaRepair of Palatal FistulaResection of bladder tumorResection of Lip TumorResection of Tumor from BreastRespiratory Repair after TracheostomyRhinophyma TreatmentRhinoplastyScoliosis (Spine Curvature) SurgerySegmentectomySeptoplastySkin Tumors TreatmentsSpinal SurgeryStabilization with Thoracic Posterior InstrumentationStereotactic and Functional Neurosurgery; Radiosurgery (Gamma Knife)Stereotactic BiopsyStereotactic CraniotomyStomach Intragastric BalloonStomach Intragastric Balloon ApplicationsThoracic laminectomyThoracotomyThyroid SurgeryTonsillectomyTreatment of Carpal Tunnel SyndromeTrigger Finger SurgeryTube Stomach Surgery (Sleeve Gastrectomy)VaginoplastyVATS Lung ResectionVATS ThymectomyVATS Wedge ResectionVertebroplastyVolume Reduction Surgery for LungsWedge ResectionWhipple Procedure
Departments
Aesthetic Plastic and Reconstructive SurgeryBrain and NeurosurgeryCardiologyEmergency MedicineGastroenterologyGastrointestinal SurgeryGeneral SurgeryGynecologic Oncology SurgeryInternal MedicineInterventional RadiologyMedical BiochemistryMedical OncologyMedical PathologyNeurologyNuclear MedicineOrthopedics and TraumatologyOtorhinolaryngology (ENT)Primary Care ClinicPulmonologyRadiation OncologyRadiologySurgical OncologyThoracic SurgeryUrology
Clinicians · 41 on the official record Ministry record
41 clinicians on the register record as of 2026-10-29. This does not mean one of them will treat you. Ask the clinic to name your treating clinician in writing.
Scroll sideways to see all 24
Hakan Akçin
Surgeon
Otorhinolaryngology (ENT)
İbrahim Mesut Altınışık
M.D. Specialist
Emergency Medicine
Roza Aydoğdu
M.D. Specialist
Emergency Medicine
Yüksel Esra Aydın
Dietician
Emergency Medicine
Merve Gülen
Psychologist
Emergency Medicine
Feryal Biçer Türkmenoğlu
M.D. Specialist
Emergency Medicine
Vural Şimşek
M.D. Specialist
Emergency Medicine
Başak Caner
Associate Professor
Brain and Neurosurgery
Yusuf Akcan
Professor
Gastroenterology
Özden Avcı
Surgeon
General Surgery
Hüseyin Yüce Bircan
Professor
General Surgery
Ekrem Ferlengez
Associate Professor
General Surgery
Haşim Furkan Güllü
Surgeon
General Surgery
Osman Krand
Associate Professor
General Surgery
Nalan Ulufı
Surgeon
General Surgery
Levent Çelik
Professor
Interventional Radiology
Sevinç Bilgin
M.D. Specialist
Pulmonology
Benan Çağlayan
Professor
Pulmonology
Işıl Şafak Yıldırım
Surgeon
Gynecologic Oncology Surgery
Özlem Araal Arpat
M.D. Specialist
Neurology
Aysel Namazova
M.D. Specialist
Nuclear Medicine
Gonca Çivi
M.D. Specialist
Nuclear Medicine
Cengiz Caner Turan
Surgeon
Orthopedics and Traumatology
All 41 doctors, by department
Emergency Medicine · 6
- M.D. Specialist İbrahim Mesut Altınışık
- M.D. Specialist Roza Aydoğdu
- Dietician Yüksel Esra Aydın
- Psychologist Merve Gülen
- M.D. Specialist Feryal Biçer Türkmenoğlu
- M.D. Specialist Vural Şimşek
General Surgery · 6
- Surgeon Özden Avcı
- Professor Hüseyin Yüce Bircan
- Associate Professor Ekrem Ferlengez
- Surgeon Haşim Furkan Güllü
- Associate Professor Osman Krand
- Surgeon Nalan Ulufı
Radiology · 5
- M.D. Specialist Eray Atlı
- M.D. Specialist Hikmet Karagüllü
- Professor Nur Soylu
- Professor Mehmet Nuri Tasalı
- Professor Rahmi Çubuk
Medical Oncology · 4
- M.D. Specialist Engin Erdemoğlu
- Professor Haluk Onat
- Professor Nedret Taflan Salepçi
- M.D. Specialist Sinemis Çelik
Internal Medicine · 3
- M.D. Specialist Shahla Aghamaliyeva
- Doctor Gülşen Gökçe
- M.D. Specialist Sebahattin Karahan
Pulmonology · 2
- M.D. Specialist Sevinç Bilgin
- Professor Benan Çağlayan
Nuclear Medicine · 2
- M.D. Specialist Aysel Namazova
- M.D. Specialist Gonca Çivi
Radiation Oncology · 2
- M.D. Specialist Halil Alper Özkan
- M.D. Specialist Kadir Şenses
Cardiology · 1
- M.D. Specialist Ayhan Baltay
Otorhinolaryngology (ENT) · 1
- Surgeon Hakan Akçin
Brain and Neurosurgery · 1
- Associate Professor Başak Caner
Gastroenterology · 1
- Professor Yusuf Akcan
Interventional Radiology · 1
- Professor Levent Çelik
Gynecologic Oncology Surgery · 1
- Surgeon Işıl Şafak Yıldırım
Neurology · 1
- M.D. Specialist Özlem Araal Arpat
Orthopedics and Traumatology · 1
- Surgeon Cengiz Caner Turan
Medical Biochemistry · 1
- Professor Orhan Aktepe
Medical Pathology · 1
- Professor Ferda Özkan
Urology · 1
- M.D. Specialist Numan Doğu Güner
Declared by the facility
Appendix: languages, payment methods and equipment as the facility entered them. Published as given; not checked by us.
Show languages, payment methods and equipment
Languages reported by the facility Facility declared
Arabic
EnglishGeorgian 
Russian
Turkish
UzbekPayment methods reported by the facility: Cash, EFT, Mastercard and Visa.
On site and nearby Facility declared
Accommodation Consultancy ServiceMetro/Subway StationParking LotPharmacyRestaurantSafe BoxTransfer ServiceTranslation ServiceTravel Insurance Consultancy ServiceTVValetWiFi
Equipment: facility-declared information on the Ministry-hosted portal Facility declared
3D Tomosynthesis MammographyAngiographyComputed Tomography (CT) SystemsDoppler Ultrasound SystemsECGEndoscopic Ultrasound (EUS)Bone Densitometry SystemsMammography SystemsPET/CTSingle-Dose RadiotherapyTrueBeamUltrasound Imaging SystemsUltrasonography
Ministry recordthe Ministry's own record
Facility declaredentered by the facility, published as given
Matchedfound by us and matched to this record
Clinic-provided photographs
Show 10 photographs provided by the clinic
Show all 10 photographs
Photographs entered by the clinic on the Ministry-hosted portal; not taken or checked by us.
Reviews and ratings
Source: Google (Places data, read 2026-10-08). This is Google's rating, not a Clinimora assessment.
This site holds no patient reviews of Istanbul Oncology Hospital and does not write any. Read them where they are published, then check what you read against the register entry above: the licence, the legal entity (registered as Özel İstanbul Onkoloji Hastanesi) and the clinicians on record.
Frequently asked questions
Is Istanbul Oncology Hospital listed as authorised for international health tourism?
Formerly listed — left the register on 2026-09-22. Being on the register says a facility holds the authorisation. It is not a quality or safety verdict; that is what an independent investigation is for.
What is Istanbul Oncology Hospital's licence number?
ST-0983. The number is issued by the Turkish Ministry of Health and can be checked against the official register; the certificate and operating licence are linked on this page.
What kind of facility is Istanbul Oncology Hospital?
Oncology Hospital in İstanbul, Türkiye, registered under the legal name "Özel İstanbul Onkoloji Hastanesi".
Who are the doctors at Istanbul Oncology Hospital?
The Ministry's register records 41 clinicians for this facility; their names, titles and specialties are listed on this page as the register publishes them.
Which languages are spoken at Istanbul Oncology Hospital?
The facility records Arabic, English, Georgian, Russian, Turkish and Uzbek as spoken by its staff.
Where is Istanbul Oncology Hospital?
İstanbul, Türkiye
How can I verify Istanbul Oncology Hospital myself?
Ask the clinic for its international health-tourism authorisation number (format ST-0000), look it up on the Ministry of Health's register, and compare the legal name on the certificate with the name on the quote you were given.
Does clinimora.com recommend Istanbul Oncology Hospital?
No. Clinimora does not recommend or rank clinics, and clinics cannot pay for ranking. This page shows what the Ministry publishes and the documents behind it.
Official register
The licence number, the documents and the fields below come from the Republic of Türkiye Ministry of Health's health tourism register, last read on 2026-10-29. Social accounts, photographs, equipment and the treatment list are entered by the clinic itself on that same official portal.
- Registered name
- Özel İstanbul Onkoloji Hastanesi
- Facility type
- Private Hospital
- Sector
- Private
- City
- İstanbul
- Authorisation number
- ST-0983
- Operating since
- 2015 (year recorded in the register)
- Total staff
- 350
- Beds
- 75
Document verification
-
International Health Tourism Authorisation Certificate ST-0983
- Issuing authority
- T.C. Sağlık BakanlığıOfficial registerchecked 2026-10-29
- Issue date
- Not specified
- Expiry
- Not specified
- Verification code
- None recorded
- Retrieved on
- 2026-10-28
- Copy integrity
- Not yet re-checked by the nightly job; the hash was recorded when the file was retrieved.
Credential status: not revoked by Clinimora. Signed by Clinimora.
Regulatory status: The facility has not been observed on the register since 2026-09-22. Current status not established.
Original, proof and how verification works
- View original PDF
- View digital proof
df7ed17ccab413519c84a6fe75e7a4b39880bd9e59dd92b624b87bab8e4c40bd
How verification works: when we retrieve a document we record its SHA-256 fingerprint and sign a W3C Verifiable Credential naming that fingerprint. Every night a sample of documents is fetched again from our storage, re-hashed and its signature re-checked. This proves the copy has not changed since we retrieved it. It does not prove that the authority still considers the document in force — that is the regulatory status above. Our method.
Issuer did:web:clinimora.com · public key · eddsa-jcs-2022
Want this checked beyond the register? Request an independent investigation of Istanbul Oncology Hospital.
Request an investigationOur observations
These are Clinimora's data-collection events, not the clinic's regulatory history. This site only began reading the register in September 2026 and cannot describe what happened before.
- Register readThe Ministry's register was read in full. This entry was present, carrying ST-0983.
- No longer on the registerPresent in the previous read, absent in this one.
- Marked no longer listed
- Website checkedThe domain in the registered email address was fetched and named this facility.
- First read by clinimora.comThe earliest day this site holds an observation of this entry.
Official regulatory events
Dates stated in the official documents and the register, and official events we recorded with their source. These are the authority's dates, not our observations.
- Operating since (year recorded in the register)The year the register records for this facility.
Are you an authorised representative of this clinic? Request a factual correction.