Nivalin

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.

Marianna Neshta is a medical doctor specialising in endocrinology and ultrasound diagnostics. She provides online consultations for adults, focusing on the diagnosis, treatment, and long-term management of endocrine disorders. Her approach includes personalised care plans, analysis of lab results and ultrasound scans, and evidence-based treatment.

Key areas of expertise:

• Type 1 and Type 2 diabetes – diagnosis, therapy adjustment, CGM interpretation, and prevention of chronic complications
• Obesity – treatment using both medication and lifestyle strategies, including modern GLP-1 medications and tailored follow-up plans
• Thyroid disorders – ultrasound assessment, treatment planning, and management during pregnancy
• Male hypogonadism – age-related or hormonal, including diagnostics and therapy
• Metabolic syndrome, prediabetes, lipid disorders – risk assessment, lifestyle recommendations, and medical treatment
• Calcium metabolism disorders – diagnosis and management of osteoporosis, hyperparathyroidism, and hypoparathyroidism

Dr Neshta applies current clinical guidelines and diagnostic tools, offering medical support adapted to each patient’s individual needs — all in an accessible online format.

Dr Khrystyna Habrykevych is a gastroenterologist providing online consultations for adults with digestive and abdominal health concerns. She helps patients understand the causes of their symptoms, interpret test results, and choose appropriate next steps – whether it’s further investigation, treatment, or lifestyle adjustments.

Common reasons for consultation include:

• abdominal pain, cramps, discomfort, painful bowel movements
• heartburn, acid reflux, burping, bitter taste in the mouth
• bloating, excessive gas, nausea or vomiting
• diarrhoea, constipation, difficulty passing stool
• unexplained changes in weight or appetite
• concern about gut health or long-term digestive issues
• changes in lab results, questions about test interpretation
• digestive system cancer screening and prevention
• general digestive check-ups and health assessments

Dr Habrykevych follows evidence-based medical standards and adapts each consultation to the patient’s individual situation. The online format allows for timely medical support without the need for an in-person visit.

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.

Dr Liudmyla Boichuk is a family medicine doctor providing diagnosis and treatment for a wide range of acute and chronic conditions in adults and children. She works with respiratory, cardiovascular and digestive system disorders and has extensive experience caring for patients with multiple coexisting conditions, where coordinated, whole-person management is essential.

She treats adults with respiratory illnesses such as pneumonia, COPD and bronchial asthma, as well as cardiovascular conditions including hypertension and ischaemic heart disease. Her practice also covers gastrointestinal complaints and chronic comorbidities that require careful, structured medical supervision.

Dr Boichuk provides care for children from birth, including acute respiratory viral infections, infectious diseases, pneumonia, bronchitis, bronchial obstruction syndromes and allergic reactions. She offers clear, evidence-based guidance to parents and ensures safe follow-up throughout the child’s recovery.

Her work also includes developing personalised immunisation plans and supporting families with long-term preventive care.

Known for her structured clinical approach and clear communication, Dr Liudmyla Boichuk offers patients of all ages comprehensive, reliable and evidence-based medical care.

Dr. Svetlana Kolomeeva is a general practitioner and internal medicine doctor providing online consultations for adults. She helps patients manage acute symptoms, chronic conditions, and preventive care. Her clinical focus includes cardiovascular health, hypertension control, and managing symptoms like fatigue, weakness, sleep issues, and overall low energy.

Patients commonly seek her help for:

• High blood pressure, headaches, dizziness, swelling, palpitations.
• Diagnosis and management of hypertension, arrhythmias, and tachycardia.
• Metabolic syndrome, excess weight, high cholesterol.
• Chronic fatigue, insomnia, poor concentration, anxiety.
• Respiratory symptoms: colds, flu, sore throat, cough, fever.
• Digestive issues: heartburn, bloating, constipation, IBS symptoms.
• Chronic conditions: diabetes, thyroid disorders.
• Interpretation of lab tests and medical reports, therapy adjustment.
• Second opinion and decision-making support.
• Cardiovascular disease prevention and metabolic risk reduction.
• Long-term follow-up and dynamic health monitoring.

Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

Dr Sergey Ilyasov is an experienced neurologist and qualified psychiatrist who provides online consultations for adults and adolescents. Combining deep neurological expertise with a modern psychiatric approach, he ensures comprehensive diagnostics and effective treatment for a wide range of conditions affecting both physical and mental health.

Dr. Ilyasov helps patients in the following cases:

• Chronic headaches (migraine, tension-type headache), back pain, neuropathic pain, dizziness, numbness in limbs, coordination disorders.
• Anxiety disorders (panic attacks, generalized anxiety disorder), depression (including atypical and treatment-resistant forms), sleep disturbances (insomnia, hypersomnia, nightmares), stress, burnout.
• Chronic pain syndromes and psychosomatic symptoms (e.g., irritable bowel syndrome related to stress, vegetative-vascular dystonia).
• Behavioral disorders and concentration difficulties in adolescents (including ADHD, autism spectrum disorders), nervous tics.
• Memory impairments, phobias, obsessive-compulsive disorder (OCD), emotional swings, and support for post-traumatic stress disorder (PTSD).

Thanks to his dual specialization in neurology and psychiatry, Dr Sergey Ilyasov offers integrated and evidence-based care for complex conditions requiring a multidisciplinary approach. His consultations focus on accurate diagnosis, development of an individualized treatment plan (including pharmacotherapy and psychotherapeutic methods), and long-term support adapted to each patient's unique needs.

Book an online consultation with Dr. Sergey Ilyasov to receive qualified assistance and improve your well-being today.

Dr Alexandra Alexandrova is a licensed general medicine doctor in Spain, specialising in trichology, nutrition, and aesthetic medicine. She offers online consultations for adults, combining a therapeutic approach with personalised care for hair, scalp, and overall health.

Areas of expertise:

• Hair loss in women and men, postpartum hair loss, androgenetic and telogen effluvium.
• Scalp conditions: seborrheic dermatitis, psoriasis, scalp irritation, dandruff.
• Chronic conditions: hypertension, diabetes, metabolic disorders.
• Online trichology consultation: customised treatment plans, nutritional support, hair growth stimulation.
• Hair loss prevention: hormonal imbalance, stress factors, haircare strategies.
• Routine health check-ups, prevention of cardiovascular and metabolic diseases.
• Personalised nutritional advice to improve hair strength, skin health, and hormonal balance.
• Aesthetic medicine: non-invasive strategies to enhance skin quality, tone, and metabolic wellness.

Dr Alexandrova follows an evidence-based and holistic approach: online consultations with a therapist and trichologist on Oladoctor provide professional support for hair, scalp, and overall health — all from the comfort of your home.

Dr. Taisiia Proida is a psychiatrist and cognitive behavioural therapist (CBT), and a member of the European Psychiatric Association. She offers online consultations for adults aged 18 and over, combining evidence-based medicine with an individualised approach to mental health care.

She specialises in consultations and ongoing support for a wide range of mental health concerns, including:

• Mood disorders: depression, bipolar disorder, postpartum depression.
• Anxiety disorders: generalised anxiety, OCD, panic attacks, phobias.
• Post-traumatic stress disorder (PTSD) and complex PTSD.
• Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD). Assessment is provided only after an initial psychiatric evaluation and during a follow-up appointment.
• Personality disorders and emotional instability.
• Cyclothymia and mood fluctuations.
• Schizophrenia spectrum and related conditions.

Dr. Proida combines clinical expertise with an empathetic approach, offering structured support based on evidence-based practices. Her work integrates CBT techniques with medical management, with a focus on anxiety and depressive disorders.

She works with clients from different countries and cultural backgrounds, adapting her communication style and recommendations to individual needs. With experience in international clinical trials (Pfizer, Merck), she values clarity, trust, and collaborative partnership in patient care.