Feisa Snezhana
- 5 Excellent • 1 review
- 25 years of experience
- Ukraine, Uzhhorod, Expert Clinic
Dr. Ayhan Kaya is a neurosurgeon who speaks English. He graduated from the Dicle University Faculty of Medicine in 1991. He completed his neurosurgery specialization in 2003. He provides surgical care using advanced microsurgical techniques.
Expertise: spinal surgery (herniated discs, spinal stenosis, scoliosis, spinal trauma). Brain tumor surgery (microsurgical removal of benign and malignant tumors). Cerebrovascular surgery (aneurysms, AVMs, vascular malformations). Traumatic brain and spine injuries (emergency and reconstructive). Peripheral nerve surgery (entrapments and injuries). He offers patient-centered, safe, and personalized care.
Dr. Semih Ak is an Orthopedics and Traumatology Specialist. He earned his MD from Yeditepe University Faculty of Medicine in Istanbul (2010–2016). He completed his residency at Istanbul Fatih Sultan Mehmet Training and Research Hospital (2017–2022).
He works as a specialist at Turan&Turan Musculoskeletal Health Center in Bursa (2025–present). He previously worked at Private Medicabil Hospital in Bursa (2024–2025) and at Artvin State Hospital as part of compulsory service (2022–2024). Earlier, he was a general practitioner at Ümraniye Training and Research Hospital (2017). He also worked at Sultanbeyli Community Health Center (2016).
Dr. Hossein Taghizadeh is a highly regarded Austrian specialist in internal medicine, hematology, and medical oncology, known for his compassionate approach and commitment to personalized cancer care. With extensive experience in treating solid tumors and blood cancers, he represents a new generation of oncologists who integrate scientific progress with empathy and precision.
He studied medicine at the Medical University of Vienna, graduating in 2016, and began his residency in internal medicine and oncology shortly thereafter. His academic and clinical training at leading Austrian cancer centers equipped him with deep expertise in systemic cancer therapy, hematologic diseases, and palliative medicine.
2010–2016 – Studied medicine at the Medical University of Vienna.
2018 – Began residency in internal medicine and medical oncology, focusing on individualized treatment strategies.
2020s – Specialized in solid tumors, hematologic malignancies, and targeted therapy, contributing to multidisciplinary oncology care.
Today – Practices as an oncologist at Oncodoc and Wiener Privatklinik, providing diagnostics, systemic treatment, and follow-up for patients with gastrointestinal, urogenital, and hematologic cancers.
Dr. Taghizadeh’s clinical interests include gastrointestinal tumors, pancreatic and biliary cancers, genitourinary malignancies, and hematologic neoplasms. He works with advanced diagnostic tools and modern systemic therapies, including chemotherapy, targeted therapy, and immunotherapy.
Known for his calm professionalism, integrity, and patient-centered communication, Dr. Taghizadeh places great emphasis on evidence-based medicine and emotional support throughout the treatment journey. His work reflects a modern, holistic approach to oncology — one that values both medical excellence and the human experience behind every diagnosis.
Dr. Hayrettin Kesmezacar is an orthopaedic surgeon at Gayrettepe Florence Nightingale Hospital in Istanbul. He joined the hospital in 2013 and holds a current appointment from 2024. His clinical focus includes shoulder and elbow surgery, shoulder instability, rotator cuff tears, and orthopaedic trauma.
He became Professor at Bilim University Medical Faculty in 2011. He was appointed Associate Professor at Istanbul University-Cerrahpaşa in 2006. His training includes residency and fellowship at Cerrahpaşa in 1997 and 2000. He completed visiting fellowships at Cornell HSS in 2004 and Western Ontario/LHSC in 2009. He holds a CRA certificate from Oxford College (2024). As of 2024, he serves as a CRA at Mount Sinai Hospital ICU Research (iCORE).
He has peer-reviewed publications in J Shoulder Elbow Surg, Acta Orthop Traumatol Turc, Arthroscopy, and others. His work includes a 22.4-year follow-up study on displaced supracondylar humerus fractures. He also reported 6-year outcomes for hallux valgus.
Dr. Inci Emekli is a neurologist at PARMER, Istanbul Medipol University (2025–). She specializes in Parkinson’s disease and movement disorders. She completed her neurology residency at Istanbul University (2015–2020). She then completed a neurology fellowship at Karabuk University (2020–2023) and movement disorders training at Michigan State University (2023–2024).
Her publications include an accepted article in Movement Disorders on the Head Snap Sign, a 2024 World Neurosurgery article on gender inequality in leadership, and a 2021 Parkinsonism & Related Disorders paper on hereditary Parkinson’s in Turkey. She delivered an oral presentation in 2022 on COVID‑19’s impact on carpal tunnel surgery. She also co‑authored a neurology chapter on hyperlipidemia in 2021.
Accreditation: Fellow of the Turkish Board of Neurology (2019–). Memberships: Turkish Society of Neurology (2016–) and European Academy of Neurology (2019–).
Op. Dr. Berna Buse Kobal is an obstetrics and gynecology specialist. She graduated from Acıbadem University School of Medicine in 2017. She completed clinical studies in obstetrics and gynecology at the University of Louisville in the United States. She finished her specialty training at the Health Sciences University Ümraniye Training and Research Hospital.
She performs gynecologic, laparoscopic, urogynecologic, and genital aesthetic procedures. These include V-NOTES (scarless) hysterectomy and cyst removal, hysteroscopic surgery, laparoscopy, tubal ligation, urinary incontinence treatments, HPV care, endometriosis surgery, and bioequivalent hormone therapies.
Dr. Wuttichai Sutantavibul is an orthopedic surgeon focused on spine care. He specializes in vertebroplasty and kyphoplasty, percutaneous screw fixation, epidural steroid injection, minimally invasive spinal surgery, and endoscopic spine surgery.
Education and fellowships: 2006: Medical degree, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok. 2015: Residency in orthopedic surgery, Ramathibodi Hospital. 2022: Fellowship in spine surgery, Ramathibodi Hospital. 2023: Fellowship in minimally invasive endoscopic spine surgery, Seoul Sangyero Hospital, South Korea. 2023: Minimally invasive and microendoscopic spine surgery training, Wakayama Medical University, Japan.
Dr. Justinas Vaičiulis, MD, is an orthopaedic and trauma surgeon with over 10 years of clinical experience. He treats shoulder, elbow, and knee injuries. His surgical practice most often includes knee arthroscopies, anterior cruciate ligament (ACL) reconstructions, and rotator cuff reconstructions.
Education: Vilnius University. Medicine (2002–2008). Orthopaedic Traumatology Residency (2009–2014). Accreditations and activities: ATLS (2013); EFORT Congress, Istanbul (2013); poster on acromioclavicular joint dislocations, 5th Baltic Congress (2013); AOTrauma Basic Principles (2014) and Advanced Principles (2016); AOTraumaLT seminar on lower extremity articular fractures (2015); musculoskeletal ultrasound training, Vilnius University (2015).
Dr. Turgay Abay is an experienced neurologist with a strong background in adult and pediatric neurology. He has more than 10 years of experience diagnosing and treating a wide range of neurological conditions.
He completed specialist training in neurology at Gaziantep University (2008–2013). The university is a well-established Turkish institution known for high academic standards and clinical excellence. He then practiced at Siirt State Hospital (2013–2014), treating a broad range of neurological disorders in a public hospital.
Dr Roberto Hernandez Pena is a neurosurgeon based in Mexicali, Baja California, Mexico. He works with fellow neurosurgeon Dr Nestor Rodriguez. Together, they perform 30 to 60 neurosurgeries each month.
Dr Hernandez Pena trained in the United States and Canada. He uses the latest technology in all surgical procedures.
Dr. Pongtep Na Nakorn is a specialist in sports medicine. He focuses on shoulder and knee arthroscopic surgery.
Accreditations: Doctor of Medicine, Faculty of Medicine, Prince of Songkhla University (2007). Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University (2016). Sports Medicine, Faculty of Medicine, Thammasat University (2017).
Somjet Tosamran, MD, is a neurologist. Dr. Tosamran is a fellow in epilepsy at the Neurology Division, Department of Medicine, King Chulalongkorn Memorial Hospital, Bangkok, Thailand (2024–present). Dr. Tosamran completed a neurology residency at the same hospital (2021–2024). Earlier training includes internships at Charoenkrung Pracharak Hospital and Sakaeo Crown Prince Hospital.
Accreditations and education: Neurologist certification, King Chulalongkorn Memorial Hospital (2024). Master of Science in Internal Medicine, Faculty of Medicine, Chulalongkorn University (2024). Doctor of Medicine, First Class Honors, Faculty of Medicine, Chulalongkorn University (2018).
Board-certified physiatrist (Diplomate of the Thai Board of Rehabilitation Medicine, 2023). Head of Rehabilitation at King Mongkut Chaokhunthahan Hospital. CEO and Founder of PYONG Rehabilitation Group since 2023.
Clinical focus: neurorehabilitation, geriatric rehabilitation, and chronic pain. Uses robotics and wearable exoskeleton gait training. Performs ultrasound-guided procedures and advanced laser and radiofrequency therapies.
Principal Investigator of a pilot randomized controlled trial on wearable exoskeleton gait training in subacute stroke. Presented to the Royal College of Physiatrists of Thailand in 2023. Instructor at KMITL since 2020.
Completed Rehabilitation Medicine residency at Chulalongkorn University in 2023. Earned an MD in 2017. Runs a public health platform with over 100,000 followers. Hosted PYONG SUMMIT in 2024 with over 200 attendees. Honors include nominee for Quality Person of the Year 2025 and First Prize in the Ananda Mahidol Pin Design in 2016.
Dr. Tara Rak-areekul is a neurologist focused on cognitive neurology. She is a fellow at King Chulalongkorn Memorial Hospital. She completed her neurology residency there and served as Chief of Academic in 2023. She holds an MD from Chulalongkorn University (Second Class Honors) and a Higher Graduate Diploma in Clinical Sciences. She is certified in NIHSS (2022) and the Thai Stroke Society Acute Stroke Treatment Course.
Key achievements include first rank in the National Formative Neurological Exam (2023). She won the Epilepsy Quiz Tournament (2023). She was first runner-up at the Neurology Tournaments at NST Midyear 2023 and the Chula Neuroscience Forum 2022. Her research includes AAIC poster presentations (2024, 2025). Ongoing work covers Alzheimer’s biomarkers (MDS‑OAβ and p‑tau217), the Thai clinical adaptation of HippoCamera, and a chapter on behavioral and psychological symptoms of dementia (BPSD).