Online Doctors
Our doctors provide consultations on a wide range of issues related to diagnosis and treatment. All specialists hold a valid medical license (Inscrição na Ordem dos Médicos).
Mariia Melnikova
Experience: over 10 years.
General medical issues,
check-ups and guidance within the healthcare system,
pediatrics, general practice, public health.
Languages: Russian, Portuguese, English.
Sergey Karpov
Experience: over 15 years.
Emergency care for adults, outpatient care. General surgery, vascular surgery.
Languages: Russian, Portuguese, English, German.
Education:
- Graduated with honors from Pavlov First Saint Petersburg State Medical University in 2005.
- Completed internship in General Surgery (2005–2006) and in Cardiovascular Surgery (2006–2008).
- In 2009, completed additional training in Kidney Transplantation at the Federal Transplantology Center in Moscow.
- Internship at the Nephrology Center of Lower Saxony (Germany).
- Professional retraining in Endovascular Surgery at the Almazov Federal Medical Research Center (2012–2013).
- Dissertation defense, Candidate of Medical Sciences degree (2012–2014, Pavlov First Saint Petersburg State Medical University).
Iryna Manzhelieieva
Experience: over 5 years.
Infectious disease specialist in Ukraine (2020–2022): inpatient and outpatient treatment of infectious diseases.
Since 2024 — general practitioner at Hospital Terra Quente (Mirandela) and Hospital de Luz.
Languages:
Ukrainian,
Portuguese,
English
Education:
Vinnytsia National Medical University named after M. I. Pyrohova (2012–2018).
National Medical Academy of Postgraduate Education (2018–2020) — specialization in Infectious Diseases.
Diploma validation in Portugal (2022–2023) — University of Lisbon (FMUL).General internship (ano comum) — 2024, at ULSNE.
Vladislav Sushko
Experience: 3 years
Internal medicine (general practice and therapy).
Current position: Rheumatology resident.
Languages: Russian, Belarusian, Portuguese, English.
Education:
Graduated with honors from Vitebsk State Medical University in 2020 and completed a subinternship in internal medicine.
In 2022 — internship at the Therapeutic Department of Santa Maria Hospital (Lisbon) and admission to the Ordem dos Médicos.
In 2023 — worked at Terceira Island Hospital (Azores) as part of the Ano Comum program.
Since 2024 — Rheumatology resident at Ponta Delgada Hospital (Azores), also providing private online consultations.
Lesya Efimenko
Experience: 27 years
Physician, family doctor.
Experience working across the post-Soviet region, as well as in Africa, Asia, and Brazil.Has worked during cholera and hemorrhagic fever epidemics, treating tuberculosis, malaria, and other parasitic diseases.
Languages: Russian, Ukrainian, Portuguese.
Education:
Graduated from medical university and completed a specialization (residency) in Internal Medicine.
In 2016, validated her diploma and registered with the Ordem dos Médicos, obtaining a medical license and authorization for independent practice in Portugal.
Since 2022 — Family Medicine resident (Medicina Geral e Familiar), with additional training in psychiatry, obstetrics and gynecology, family planning, child health, and sexually transmitted infections.
Currently pursuing a PhD at the Instituto de Higiene e Medicina Tropical (IHMT) in Lisbon.
Publications:
Treponema pallidum infection rate in patients attending the general hospital of Benguela, Angola. — J Infect Dev Ctries (2023).
Two more papers on occult hepatitis B (hepatite B oculta) are currently in progress.
Sergey Zagidulin
Experience: over 15 years.
General practitioner, internal medicine, intensive care.
Languages: Russian, Ukrainian, Portuguese, English.