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Dr. Sviatoslav Chekhun is a medical oncologist with international clinical and research experience, specializing in modern medical oncology and a personalized approach to cancer treatment.

Currently (since 2025), he works as a Medical Oncologist at Institut Català d’Oncologia (Girona, Spain). Previously, he completed his residency in Medical Oncology and was involved in clinical research at Hospital Universitari Germans Trias i Pujol.

Dr. Chekhun has a strong academic and scientific background. He served as a lecturer in Internal Medicine at O.O. Bohomolets National Medical University and conducted research in experimental oncology at the R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology.

Earlier in his career, he worked as a medical oncologist at the Kyiv City Clinical Oncological Center and contributed to regulatory evaluation of medicinal products at the State Expert Center of the Ministry of Health of Ukraine.

When to consult Dr. Chekhun:

•  for diagnosis or clarification of a cancer diagnosis
•  to obtain a second opinion on an existing treatment plan 
•  when you need a personalized treatment strategy 
•  for interpretation of test results, CT, MRI, PET-CT, and biopsies 
•  when choosing between treatment options (chemotherapy, targeted therapy, immunotherapy) 
•  in case of doubts about treatment strategy or disease progression 

Consultation format

Dr. Chekhun provides online consultations, where you can receive:

•  expert second opinion 
•  detailed case review 
•  recommendations based on current international treatment guidelines 
•  personalized treatment and follow-up plan 

Important:
Prescription and monitoring of medications must be carried out by your treating physician in an in-person (offline) setting. An online consultation does not replace a face-to-face visit but helps you make more informed decisions about your treatment.

Dr. Sviatoslav Chekhun combines clinical practice, research, and international experience, enabling him to provide patients with modern, evidence-based approaches in oncology.

Dr. Nataliia Bessolitsyna is a rheumatologist with extensive clinical experience. She provides online consultations focused on the diagnosis, treatment, and long-term management of joint diseases and systemic autoimmune disorders, following international clinical guidelines and evidence-based medicine.

You can consult Dr. Bessolitsyna about:

• Joint pain — acute, chronic, or recurring pain.
• Inflammatory arthritis: rheumatoid arthritis, psoriatic arthritis, polyarthritis, gouty arthritis.
• Degenerative joint conditions: osteoarthritis, knee and hip arthritis (gonarthrosis, coxarthrosis), nodal polyosteoarthritis.
• Periarthritis and spondyloarthritis.
• Spinal inflammation: ankylosing spondylitis (Bechterew’s disease).
• Systemic autoimmune diseases: lupus, scleroderma, systemic vasculitis.
• Osteoporosis and bone fragility.

Dr. Bessolitsyna offers a personalised and structured approach — helping patients identify causes of joint pain, interpret test results, and follow tailored treatment plans. Her consultations focus on early diagnosis, symptom control, complication prevention, and improving long-term quality of life.

With remote access to specialist care, patients can receive expert rheumatology support wherever they are.

Dr. Alvarez Guerrero graduated in Medicine from the San Pablo CEU University in Madrid. He subsequently completed his specialization in Psychiatry in the Department of Psychiatry at Hospital Sant Joan de Deu in Manresa (Barcelona), where over the course of four years he acquired solid training in the bio-psycho-social model, developing his expertise across the different areas of mental health.

During his residency, he undertook training placements at Hospital Clínic de Barcelona, where he trained for several months in the psychiatric consultation-liaison unit. He also completed another placement at Hospital de Cruces in Bilbao, in the first-episode psychosis unit.

Throughout his professional career, Dr. Alvarez Guerrero has sought to complement his medical training with psychotherapeutic tools that allow him to address mental health disorders from a comprehensive perspective. For this reason, he specialized in Brief Strategic Psychotherapy through the Spanish Society of Psychosomatic Medicine and Psychotherapy, an approach focused on targeted and effective interventions.

With the aim of deepening his knowledge and promoting the rational use of treatments, he also completed a Master’s Degree in Psychopharmacology at the University of Valencia, which has enabled him to rigorously integrate the most up-to-date scientific evidence into the clinical management of psychopharmacological treatments.

He has also shown a particular interest in the field of legal psychiatry, completing an Official Master’s Degree in Legal, Forensic and Criminological Psychopathology at the Universitat Internacional de Catalunya. This training has allowed him to acquire the necessary competencies for the preparation of psychiatric expert reports in judicial and medico-legal contexts, thereby broadening the scope of his professional activity.

Giorgi Eremeishvili is a top-category urologist, a Candidate of Medical Sciences, and a licensed physician in Spain. He provides expert assistance in the diagnosis and treatment of a wide range of urological conditions in both men and women, employing a comprehensive approach and evidence-based principles.

Key areas of expertise:

• Erectile dysfunction, decreased libido, premature ejaculation.
• Male infertility: comprehensive diagnosis and modern treatment methods.
• Prostate gland diseases: acute and chronic prostatitis, prostatic adenoma (benign prostatic hyperplasia), prostate cancer.
• Inflammatory diseases of the genitourinary system: acute and chronic cystitis, pyelonephritis, epididymitis, orchitis, urethritis.
• Sexually transmitted infections (STIs): chlamydia, ureaplasmosis, mycoplasmosis, gardnerellosis, candidiasis, herpetic infections, HPV, CMV, trichomoniasis, and others.
• Urination disorders: urinary retention, frequent urination, urinary incontinence, overactive bladder, neurogenic bladder.
• Neoplasms: cysts, tumors of the kidneys, bladder, testicles, prostate gland (including prostate cancer).
• Surgical interventions: determining indications and selecting optimal minimally invasive methods.

Dr. Eremeishvili applies an integrated approach to each case. This includes thorough preoperative preparation, postoperative observation, and regular dynamic follow-up during the treatment process to achieve the best possible outcomes. All diagnostic and therapeutic recommendations are based on current evidence-based medicine and comply with the recommendations of the European Association of Urology, guaranteeing high-quality and effective care.

If you are seeking qualified assistance in diagnosing or treating urological conditions, book an online consultation with Dr. Giorgi Eremeishvili. Get expert support, accurate diagnosis, and a personalized treatment plan from the comfort of your home.

Dr Maria Martelli is a medical doctor specialising in anaesthesiology and pain medicine. She provides online consultations for adults, focusing on the assessment and management of acute, chronic, and complex pain conditions, as well as supportive care in serious illness. She graduated from the Medical University of Silesia in Katowice and completed her specialisation in Anaesthesiology and Intensive Care. Alongside hospital work, she has extensive experience in home and inpatient hospice care, supporting patients with severe pain and advanced disease. Since 2021, she has been a certified specialist and continues to work in anaesthesiology, intensive care, and pain treatment. Patients consult her for: 

• Chronic pain lasting more than 3 months (musculoskeletal, neuropathic, mixed pain).
• Acute pain requiring medical assessment and treatment planning.
• Post-operative pain and recovery support.
• Cancer-related pain and symptom relief.
• Palliative care support and quality-of-life improvement.
• Adjustment and optimisation of pain medication.
• Second opinions for complex or treatment-resistant pain.

Dr Martelli takes a structured, evidence-based approach, carefully analysing symptoms, previous treatments, and overall health status. Her consultations focus on realistic pain control goals, safety of therapy, and improving daily functioning. She is especially attentive to patients living with long-term pain or serious illness, providing clear explanations, compassionate guidance, and medically sound recommendations adapted to each individual situation.

Dr Anastasiia Hladkykh is a physician-psychotherapist and psychologist with over 14 years of experience working with individuals struggling with various types of addictions and their families. She provides online consultations for adults, combining medical knowledge with deep psychological support and practical tools.

Key areas of expertise:

• Addiction treatment: alcohol and drug dependence, gambling addiction, compulsive behaviours, codependent relationships.
• Support for families of addicted individuals, behavioural correction within the family system, guidance for maintaining remission.
• Mental health: depression, bipolar disorder, obsessive-compulsive disorder (OCD), anxiety disorders, phobias, PTSD, generalised anxiety, emotional trauma, and the psychological impact of loss or emigration.
• Psychoeducation: explaining complex mental health concepts in simple language, helping patients and their families understand diagnoses and treatment steps.

• Client-centred, straightforward, and empathetic – focused on practical outcomes and emotional stabilisation.
• Prescribes medications when needed, but always aims to minimise unnecessary pharmaceutical use.
• Certified in multiple evidence-based methods: CBT, NLP (Master Practitioner), Ericksonian hypnosis, symbol drama, art therapy, and systemic therapy.
• Each consultation results in a clear, structured plan – patients leave knowing exactly what to do next.

• Member of the German association Gesundheitpraktikerin and the NGO “Mit dem Sonne in jedem Herzen.”
• More than 18 publications in international peer-reviewed journals, translated into several languages.
• Volunteer work with Ukrainian refugees and military personnel at the University Clinic of Regensburg.

Dr. Roman Raevskii is a licensed general practitioner in Spain, offering online medical consultations with a strong focus on prevention, early diagnosis, and personalized care. He combines evidence-based clinical expertise with a patient-centered approach to deliver comprehensive support.

Dr. Raevskii provides medical care in the following areas:

• Diagnosis and management of common conditions: hypertension, diabetes, respiratory and digestive disorders.
• Oncological consultations: early cancer detection, risk evaluation, and treatment navigation.
• Supportive care for oncology patients – pain control, symptom relief, and side effect management.
• Preventive medicine and health screenings.
• Development of tailored treatment plans based on clinical guidelines.

With a patient-centred approach, Dr. Raevskii helps individuals manage both chronic illnesses and complex oncological cases. His consultations are guided by current medical standards and adapted to each patient’s needs.

Dr. Sara Azevedo is a Specialist in General and Family Medicine, with over 10 years of clinical experience and a strong interest in medical innovation and healthcare technology. Her practice focuses on the use of digital tools and telemedicine to overcome barriers, ensuring continuous, practical, and patient-centered medical care.

Her main focus is personalized prevention, helping patients manage their health proactively. She has a special interest and advanced training in the following areas:

• Mental health: an integrated approach to anxiety management and emotional well-being;
• Pediatric nutrition: support for healthy growth from the earliest years;
• Aesthetic medicine and well-being: a holistic approach to body care;
• Lifestyle medicine: support in smoking cessation and lifestyle habit changes.

She believes that medicine should be agile and centered on each person’s lifestyle, using technology to be present where patients need it most.

Dr. Dmytro Horobets is a licensed family medicine physician in Poland, specialising in endocrinology, diabetology, obesity management, gastroenterology, pediatrics, general surgery, and pain medicine. He offers online consultations for adults and children, providing personalised medical support for a wide range of acute and chronic health concerns.

Areas of expertise:

• Endocrinology: diabetes type 1 and type 2, prediabetes, thyroid disorders, metabolic syndrome, hormonal imbalance.
• Obesity medicine: structured weight management plans, nutritional counselling, obesity-related health risks.
• Gastroenterology: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), liver and biliary conditions.
• Pediatric care: infections, respiratory symptoms, digestive issues, growth and development monitoring.
• General surgery support: pre- and post-surgical consultations, wound care, rehabilitation.
• Pain management: chronic and acute pain, back pain, joint pain, post-traumatic pain syndromes.
• Cardiovascular health: hypertension, cholesterol control, risk assessment for heart disease.
• Preventive medicine: regular check-ups, health screenings, long-term management of chronic conditions.

Dr. Horobets combines evidence-based medicine with a patient-centred approach. He carefully evaluates each patient’s medical history and symptoms, offering clear explanations and structured treatment plans adapted to individual needs.

Whether you need help managing diabetes, tackling weight-related health issues, interpreting lab results, or receiving general family medicine support, Dr. Horobets provides professional online care tailored to your specific health goals.

Dr. Ekaterina Agapova is a neurologist specialising in the diagnosis and treatment of neurological conditions and chronic pain. She provides online consultations for adults, combining evidence-based medicine with a personalised approach.

She offers expert care for:

• Headaches and migraines, including tension-type and cluster headaches.
• Neck and back pain, both acute and chronic.
• Chronic pain syndromes – fibromyalgia, neuropathic pain, post-traumatic pain.
• Mononeuropathies – carpal tunnel syndrome, trigeminal neuralgia, facial nerve palsy.
• Polyneuropathies – diabetic, toxic, and other types.
• Multiple sclerosis – diagnosis, monitoring, long-term support.
• Dizziness and coordination disorders.
• Sleep disturbances – insomnia, daytime sleepiness, fragmented sleep.
• Anxiety, depression, and stress-related conditions.

Dr. Agapova helps patients manage complex neurological symptoms like pain, numbness, weakness, poor sleep, and emotional distress. Her consultations focus on accurate diagnosis, clear explanation of findings, and tailored treatment plans.

If you’re struggling with chronic pain, migraines, nerve disorders, or sleep problems, Dr. Agapova offers professional guidance to restore your well-being.