Calcium Hasco

Dr. Jonathan Marshall Ben Ami is a licensed family medicine doctor in Spain. He provides comprehensive care for adults and children, combining general medicine with emergency care expertise to address both acute and chronic health concerns.

Dr. Ben Ami offers expert diagnosis, treatment, and follow-up for:

• Respiratory infections (cold, flu, bronchitis, pneumonia).
• ENT conditions such as sinusitis, ear infections, and tonsillitis.
• Digestive issues including gastritis, acid reflux, and irritable bowel syndrome (IBS).
• Urinary tract infections and other common infections.
• Management of chronic diseases: high blood pressure, diabetes, thyroid disorders.
• Acute conditions requiring urgent medical attention.
• Headaches, migraines, and minor injuries.
• Wound care, health check-ups, and ongoing prescriptions.

With a patient-focused and evidence-based approach, Dr. Ben Ami supports individuals at all stages of life — offering clear medical guidance, timely interventions, and continuity of care.

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise:

• Acute and chronic pain: headaches, muscle and joint pain, back pain, abdominal pain, postoperative pain. Identifying the cause, selecting treatment, and creating a care plan.
• Internal medicine: heart, lungs, gastrointestinal tract, urinary system. Management of chronic conditions, symptom control, second opinions.
• Pre- and postoperative care: risk assessment, decision-making support, follow-up after surgery, rehabilitation strategies.
• General and paediatric surgery: hernias, appendicitis, congenital conditions, both planned and urgent surgeries.
• Injuries and trauma: bruises, fractures, sprains, soft tissue damage, wound care, dressing, referral when in-person care is required.
• Oncological surgery: diagnosis review, treatment planning, and long-term follow-up.
• Obesity treatment and weight management: a medical approach to weight loss, including assessment of underlying causes, evaluation of comorbidities, development of a personalised plan (nutrition, physical activity, pharmacotherapy if needed), and ongoing progress monitoring.
• Imaging interpretation: analysis of ultrasound, CT, MRI, and X-ray results, surgical planning based on imaging data.
• Second opinions and medical navigation: clarifying diagnoses, reviewing current treatment plans, helping patients choose the best course of action.

Experience and qualifications:

• 12+ years of clinical experience in university hospitals in Germany and Spain.
• International education: Ukraine – Germany – Spain.
• Member of the German Society of Surgeons (BDC).
• Certified in radiological diagnostics and robotic surgery.
• Active participant in international medical conferences and research.

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

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 Iryna Reznychenko is an obstetrician-gynaecologist, paediatric gynaecologist, and certified lactation consultant. She provides online consultations for women at all stages of life – from adolescence to menopause. Her work combines medical care for gynaecological conditions with dedicated support for breastfeeding challenges, both physical and emotional.

Areas of expertise:

• interpretation of test results and personalised treatment planning
• menstrual irregularities, PCOS, endometriosis
• abnormal uterine bleeding, endometrial hyperplasia, cervical dysplasia
• care during perimenopause and menopause, hormonal balance, cancer prevention
• breastfeeding issues: nipple pain, cracked skin, blocked ducts, low milk supply
• support during the postpartum and lactation period

Dr Reznychenko offers a clear, attentive and professional approach. Her consultations help prevent minor discomforts from developing into more serious concerns – 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. Nuno Tavares Lopes is a licensed physician in Portugal with 17 years of experience in emergency medicine, family and general practice, and public health. He is the Director of Medical and Public Health Services at an international healthcare network and serves as an external consultant for the WHO and ECDC.

• Emergency care: infections, fever, chest/abdominal pain, minor injuries, paediatric emergencies
• Family medicine: hypertension, diabetes, cholesterol, chronic disease management
• Travel medicine: pre-travel advice, vaccinations, fit-to-fly certificates, travel-related illnesses
• Sexual and reproductive health: PrEP, STD prevention, counselling, treatment
• Weight management and wellness: personalised weight loss programmes, lifestyle guidance
• Skin and ENT issues: acne, eczema, allergies, rashes, sore throat, sinusitis
• Pain management: acute and chronic pain, post-surgical care
• Public health: prevention, health screenings, long-term monitoring
• Sick leave (Baixa médica) connected to Segurança Social in Portugal
• IMT medical certificates for driving licence exchange

Dr. Nuno Tavares Lopes provides medical support for patients using GLP-1 medications (Mounjaro, Wegovy, Ozempic, Rybelsus) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Europe.

Dr. Lopes also provides interpretation of medical tests, follow-up care for complex patients, and multilingual support. Whether for urgent concerns or long-term care, he helps patients act with clarity and confidence.

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. Lina Travkina is a licensed family and preventive medicine doctor based in Italy. She provides online consultations for adults and children, supporting patients across all stages of care – from acute symptom management to long-term health monitoring and prevention.

Areas of medical care include:

• Respiratory conditions: colds, flu, acute and chronic bronchitis, mild to moderate pneumonia, bronchial asthma.
• ENT and eye conditions: sinusitis, tonsillitis, pharyngitis, otitis, infectious and allergic conjunctivitis.
• Digestive issues: gastritis, acid reflux (GERD), IBS, dyspepsia, bloating, constipation, diarrhoea, functional bowel symptoms, intestinal infections.
• Urological and infectious diseases: acute and recurrent cystitis, bladder and kidney infections, prevention of recurrent UTIs, asymptomatic bacteriuria.
• Chronic conditions: hypertension, diabetes, hypercholesterolemia, metabolic syndrome, thyroid disorders, excess weight.
• Neurological and general symptoms: headache, migraine, dizziness, fatigue, sleep disturbances, reduced concentration, anxiety, asthenia.
• Chronic pain support: back, neck, joint, and muscle pain, tension syndromes, pain associated with osteochondrosis and chronic conditions.

Additional care areas:

• Preventive consultations and check-up planning.
• Medical advice and follow-up consultations.
• Test interpretation and diagnostic guidance.
• Structured support for undiagnosed complaints.
• Second opinion on diagnoses and treatment plans.
• Nutritional and lifestyle support for vitamin deficiencies, anaemia, metabolic issues.
• Post-operative recovery support and pain management.
• Preconception counselling and postpartum support.
• Immunity support and strategies to reduce frequency of infections.

Dr. Travkina combines evidence-based medicine with an attentive, personalised approach. Her consultations focus not only on treatment, but also on prevention, recovery, and long-term wellbeing.

If during the consultation it becomes clear that your case requires in-person assessment or specialised care outside of her scope, the session will be terminated and the payment fully refunded.

Dr Antonio Cayatte is a physician in General and Acute Medicine with over 30 years of experience across clinical care, medical research, and education. He offers online consultations for adults with a wide range of symptoms, both acute and chronic.

His clinical background includes:

• assessment of sudden or unclear symptoms
• ongoing care for chronic conditions
• follow-up after hospital discharge
• interpretation of test results
• medical support while abroad

Dr Cayatte earned his degree from the University of Lisbon and taught internal medicine at Boston University School of Medicine. He holds active medical registrations in both Portugal and the UK and is a Fellow of the American Heart Association.

Consultations are available in English and Portuguese. Patients value his clarity, professionalism, and balanced approach to evidence-based care.

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

• High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
• Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
• Leg swelling, chronic fatigue, reduced exercise tolerance.
• EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
• Post-COVID-19 cardiac monitoring and care.

Endocrinology – Diabetes, thyroid, metabolism:

• Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
• Individual treatment plans including oral medications and insulin therapy.
• GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
• Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
• Metabolic syndrome – obesity, lipid disorders, insulin resistance.

Gastroenterology – Digestive health:

• Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
• Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
• Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).

General internal medicine and preventive care:

• Respiratory infections – cough, colds, bronchitis.
• Lab test analysis, therapy adjustments, medication management.
• Adult vaccinations – planning, contraindications assessment.
• Cancer prevention – screening strategies and risk assessment.
• Holistic approach – symptom relief, complication prevention, and quality of life improvement.

Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.