Welcome to Yeolyan Hematology and Oncology Center
Dear Compatriots,
For many years, the Yeolyan Hematology and Oncology Center has been guided by a single, unwavering mission: to make modern, high-quality medical care more accessible to the people of Armenia.
We stand alongside children and adults facing hematological and oncological illnesses, driven by knowledge, professionalism, and compassionate care. Our approach is rooted in international best practices, ensuring that every diagnostic and treatment program we offer meets the highest standards in the field.
Our specialists regularly undergo advanced training and participate in international conferences to bring the latest expertise and innovations back to Armenia. We remain committed to continuous growth, adapting to the evolving needs of our time and firmly believing that every investment in education, technology, and human connection has the power to change lives.
For over nine decades, the professional team at the Yeolyan Hematology and Oncology Center has dedicated itself to preserving health, improving quality of life, and earning the trust of every patient we serve. Stay healthy.
Hayk Grigoryan
Director of Yeolyan Hematology and Oncology Center

Meet The Experts Behind Every Life We touch
Our team of dedicated specialists in oncology and hematology is here to guide every patient with care, knowledge, and compassion.
Meet our doctors
















Become a donor
Join our mission to save lives through the power of blood donation.
Our news

25/06/2026
The Bell of Victory Rings After Months of Courage and Determination
Little Nare, who was admitted to the Yeolyan Hematology and Oncology Center with acute monoblastic leukemia, marked the successful completion of her treatment by ringing the Victory Bell. The challenging journey, which began in November, was overcome thanks to the professionalism and dedication of the medical team and the support of the City of Smile …

24/06/2026
Everything You Need to Know About Blood Donation: Director Hayk Grigoryan on “I Am Healthy”
Hayk Grigoryan, Director of the Yeolyan Hematology and Oncology Center, was a guest on the “I Am Healthy” program on Armenian Public Radio, where he discussed key issues related to blood donation. The interview covered a wide range of topics, including: The importance of blood donation and its life-saving impact;

22/06/2026
The Vital Importance of Regular Blood Donation: Andranik Shamilyan
Andranik Shamilyan, Deputy Director for Blood Service at the Yeolyan Hematology and Oncology Center, highlights the vital importance of regular blood donation. Let us support the development and promotion of a culture of voluntary, non-remunerated blood donation in Armenia. Become a donor. Save lives.

21/06/2026
June 21. Medical Workers’ Day
Dear Colleagues, On the occasion of Medical Workers’ Day, I extend my warmest congratulations to all members of the healthcare community. Our profession is about far more than providing treatment—it is a daily commitment to protecting life, where knowledge, expertise, and compassion come together in the service of our patients’ health and future. I want …

19/06/2026
June 21 Marks Medical Workers’ Day in Armenia
In keeping with tradition, Yeolyan Hematology and Oncology Center celebrated Medical Workers’ Day, honoring the dedication and professionalism of its healthcare staff. The Center’s Director, Hayk Grigoryan, congratulated all medical professionals, emphasizing their invaluable contribution and unwavering commitment to patient care. He noted that high-quality healthcare is built not only on knowledge and expertise but …

18/06/2026
Another Allogeneic Bone Marrow Transplant Successfully Performed
Another pediatric allogeneic bone marrow transplant has been successfully performed at “Yеolyan” Hematology and Oncology Center. During the first stage of the transplantation process, donor stem cells were collected. In this case, the patient’s mother served as the donor. The donor bone marrow transplantation was subsequently carried out successfully.

15/06/2026
“One Drop of Humanity”: World Blood Donor Day
“We may never know whose life we save, but that anonymous gratitude beating in the hearts of those who have been saved, that unseen bond connecting strangers, is perhaps the truest and purest form of humanity in the world.”— Hayk Grigoryan, Director of the Yeolyan Hematology and Oncology Center Become one of those anonymous heroes. …

11/06/2026
Who Can Become a Blood Donor, and Why Is Blood Donation a Vital Necessity?
With World Blood Donor Day approaching, Hayk Grigoryan, Director of the Yеolyan Hematology and Oncology Center, emphasizes that although modern science has developed cutting-edge technologies and uncovered complex molecular mechanisms, a complete substitute for human blood has not yet been created. Blood is a gift of life, and blood donation is one of the most …

09/06/2026
Become a Donor, Save Lives: “One Drop of Humanity”
On World Blood Donor Day, June 14, the Yeolyan Hematology and Oncology Center invites you to be part of a special campaign that highlights the power of giving and the impact of every blood donation. This is your opportunity to take one of the most significant steps you can make — become a non-remunerated voluntary …

06/06/2026
Another long-awaited moment marking little Evelina’s great victory — the ringing of the bell celebrating the successful completion of her treatment
Evelina received treatment at the Yeolyan Hematology and Oncology Center thanks to the high professional expertise and compassionate care of the Center’s specialists, the state healthcare program, as well as the support of the City of Smile Charitable Foundation. This joyful moment once again shows that through joint efforts, dedication, and compassionate care, even the …