VENOKOR

Dr. Anastasiia Shalko is a general practitioner with a background in both paediatrics and general medicine. She graduated from Bogomolets National Medical University in Kyiv and completed her paediatric internship at the P.L. Shupyk National Medical Academy of Postgraduate Education. After working as a paediatrician in Kyiv, she relocated to Spain, where she has been practising general medicine since 2015, providing care for both adults and children.

Her work focuses on urgent, short-term medical concerns – situations where patients need quick guidance, symptom assessment and clear next steps. She helps people understand whether their symptoms require in-person evaluation, home management or a change in treatment. Common reasons for booking an online consultation include:

• acute respiratory symptoms (cough, sore throat, runny nose, fever)
• viral illnesses such as colds and seasonal infections
• gastrointestinal complaints (nausea, diarrhoea, abdominal pain, gastroenteritis)
• sudden changes in how a child or adult feels
• questions about existing treatment and whether adjustments are needed
• renewal of prescriptions when clinically appropriate

Dr. Shalko works specifically with urgent and short-term problems, providing practical recommendations and helping patients determine the safest next step. She explains symptoms clearly, guides patients through decision-making and offers straightforward medical advice for everyday acute issues.

She does not provide long-term management of chronic conditions, ongoing follow-up or comprehensive care plans for complex long-term illnesses. Her consultations are designed for acute symptoms, sudden concerns and situations where timely medical input is important.

With clinical experience in both paediatrics and general medicine, Dr. Shalko confidently supports adults and children. Her communication style is clear, simple and reassuring, helping patients feel informed and supported throughout the consultation.

Dr Oksana Khlopushyna is a senior ENT specialist with over 30 years of clinical experience. She provides online consultations for both adults and children with acute or chronic ear, nose, and throat conditions.

Common issues treated:

• nasal congestion, rhinitis, runny nose
• sinus infections, sinusitis
• ear infections, otitis, eustachian tube dysfunction
• sore throat, pharyngitis, laryngitis
• adenoid problems, tonsillitis, enlarged tonsils

Dr Khlopushyna offers a personalised approach to each patient, helping clarify symptoms and guiding next steps for treatment or further evaluation – all in a convenient online format.

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. Duarte Meneses is a licensed family medicine and general practice doctor based in Portugal, with additional expertise in occupational health. He provides online consultations for adults, offering medical support for both acute symptoms and chronic health conditions.

• Common symptoms such as fever, sore throat, cough, fatigue, or digestive issues
• Chronic conditions including hypertension, diabetes, high cholesterol, and thyroid problems
• Mental health concerns such as stress, sleep issues, anxiety, and burnout
• Preventive care: health check-ups, lifestyle advice, and follow-up for existing conditions
• Work-related health questions, sick leave documentation, and medical guidance for returning to work

Dr. Meneses graduated from the University of Beira Interior and has years of experience working with diverse patient populations. He is fluent in Portuguese, English, Spanish, and French.

His approach is friendly, clear, and focused on delivering practical medical advice tailored to each patient’s needs.

Dr Svetlana Kovalenko is a family medicine doctor with over 14 years of experience and a medical degree from Kharkiv National Medical University. She offers online consultations for adults, supporting patients with both acute and chronic conditions, preventive care, and personalised medical advice.

What patients commonly consult her for:

• High blood pressure, type 2 diabetes, cholesterol management
• Cold and flu symptoms: fever, cough, sore throat
• Fatigue, sleep problems, headaches, general discomfort
• Ongoing care for chronic conditions and medication review
• Help interpreting test results and lab reports
• Preventive check-ups and advice on healthy lifestyle habits

Dr Kovalenko combines evidence-based practice with a respectful, patient-centred approach. She takes time to explain, listens attentively, and helps each person make confident, informed decisions about their health.

Dr Katia Benko is a paediatrician with over 9 years of clinical experience and international training. She completed her medical education and residency in Argentina and is fully licensed to practise in Spain. Her work spans newborns, children and adolescents, with a focus on whole-person care that integrates physical, emotional and developmental health.

Areas of expertise:

• online consultations for newborns, children and teens
• evaluation and treatment of acute symptoms: fever, cough, infections, bronchiolitis, earache, etc.
• long-term care for chronic paediatric conditions
• preventive care at every stage of growth and development
• child wellness visits and routine health check-ups
• vaccination guidance according to standard and special schedules
• assessment of neurodevelopment in infants and toddlers
• feeding concerns: picky eating, food refusal, healthy habits, eating disorders
• parental support in everyday health, emotional wellbeing and prevention
• guidance for teenagers on healthy habits, self-care and risk prevention

Dr Benko sees paediatrics as a space for partnership with families – not only to treat illness, but to guide each child’s health journey with clarity, empathy and trust. Her goal is for every family to feel supported in making confident, informed decisions for their child’s wellbeing.

Dr. Muhammad Tayyab Altaf is a primary care physician with extensive international experience, offering online consultations for adults and children. His background includes clinical practice in Italy, the United States and other healthcare settings, allowing him to manage a wide range of acute and chronic medical conditions with confidence and clarity.

His clinical expertise spans multi-system conditions, preventive care and long-term management of chronic diseases. Dr. Altaf combines hands-on experience with a strong research background in both medical and surgical fields, enabling him to provide accurate assessments and structured, evidence-based treatment plans. Patients value his ability to explain diagnoses clearly, outline next steps and support them in making informed healthcare decisions.

Online consultations with Dr. Altaf are suitable for many everyday and acute situations where a timely medical opinion can help determine the safest next steps. He evaluates and treats conditions affecting the cardiovascular, respiratory, gastrointestinal, neurological, haematological and endocrine systems. Common examples include:

• hypertension and other blood pressure issues
• ischaemic heart disease and angina
• asthma, COPD and emphysema
• pneumonia and lung fibrosis
• gastroenteritis and digestive infections
• liver conditions, including alcohol-related disease
• epilepsy, seizures and post-stroke symptoms
• dementia and cognitive decline
• anaemia and other haematological changes
• diabetes, thyroid disorders and pituitary disease

Many patients reach out when they experience new or worsening symptoms, fluctuations in blood pressure, non-severe chest discomfort, breathing symptoms, digestive issues, suspected infections, chronic fatigue or concerns that affect daily life. He also helps patients understand test results, adjust existing treatment plans and navigate long-term health strategies safely and effectively.

When clinically appropriate, Dr. Altaf can also provide health and fitness certificates, including documentation required for physical activity, sports participation or gym use, based on the patient’s health status and medical indications.

Some conditions are not suitable for online care. Severe chest pain, loss of consciousness, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack require immediate attention from local emergency services. Dr. Altaf prioritises patient safety and will guide you accordingly if your situation needs urgent in-person care.

In all consultations, Dr. Muhammad Tayyab Altaf focuses on clear communication, accurate diagnosis and patient-centred decision-making. His approach ensures that individuals and families feel informed, supported and confident in their next steps, no matter where they are.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques.

For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance.

Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults.

In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions.

Patients commonly seek his care for:

• seasonal and perennial allergies
• allergic rhinitis and chronic nasal symptoms
• asthma and breathing difficulties
• food and medication allergies
• urticaria, atopic dermatitis and skin reactions
• recurrent infections in children
• sports-related health questions
• general family medicine concerns

Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.

Dr Tetiana Fedoryshyn is a senior general practitioner, certified nutritionist, and psychologist with over 29 years of clinical experience. She combines classical internal medicine with modern approaches in lifestyle medicine, functional nutrition, and emotional health support.

Her focus is on helping patients regain health through deep understanding of symptoms, personalised nutrition plans, and evidence-based correction of deficiencies, stress-related conditions, and metabolic imbalances. Dr Fedoryshyn works with adults experiencing chronic conditions, fatigue, hormonal disruption, and post-stress exhaustion.

She integrates medical analysis, psychological insight, and real-life behaviour change tools to offer treatment plans tailored to each patient’s biochemistry, mental state, and lifestyle.

Main areas of practice:

• Chronic condition management and medical counselling
• Weight loss programmes based on metabolic profiling
• Diagnosis and treatment of micronutrient deficiencies
• Recovery from stress, burnout, and hormonal imbalances
• Emotional support and psychosomatic symptom care

Her approach is never one-size-fits-all – each consultation begins with a deep dive into your unique health history, test results, and emotional landscape. Consultations are available in Ukrainian, Polish, and Russian.

Dr. Sergei Nalkin, PhD, is a neurologist, specialising in sports medicine and rehabilitation. He provides expert care for patients with neurological, musculoskeletal, and post-traumatic conditions, focusing on functional recovery and long-term symptom relief.

Dr. Nalkin offers consultations and treatment for:

• Neurological disorders including migraines, tension headaches, and peripheral neuropathies.
• Rehabilitation after stroke, brain injury, and spinal cord trauma.
• Chronic pain syndromes and musculoskeletal dysfunctions.
• Sports-related injuries: prevention, treatment, and recovery planning.
• Coordination and movement disorders affecting mobility and balance.
• Custom rehabilitation programmes for neurological and orthopedic conditions.

With a personalised, evidence-based approach, Dr. Nalkin helps patients restore physical function, reduce pain, and improve quality of life through targeted therapy and long-term support.