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Arun Raajasekar, MD

Medical Oncology
Arun Raajasekar image
4.9 out of 5 – 
New patient visits

Office Address

2505 Hospital Dr, Ste 111 Mountain View, CA 94040
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Arun Kumar Raajasekar, MD, specializes in hematology and oncology. He collaborates with patients to diagnose cancer and treat it using various medications, including chemotherapy, immunotherapy and targeted therapy.


Dr. Raajasekar values building strong relationships with his patients. He listens carefully to understand each person's unique care goals and partners with them to make personalized medical decisions. He tailors his approach to the individual needs and preferences of each patient, striving to provide the most effective and comfortable care possible.


He explains, "A clinic visit is more than just a health check. It's catching up with a friend, providing counsel and ensuring I'm doing everything I can to help my patient achieve the best outcome."


Dr. Raajasekar also enjoys coordinating care with other specialties to achieve the best possible patient outcomes. He believes that the cohesive nature of the El Camino Health team and their access to world-class resources will support him in delivering the highest level of care.


Dr. Raajasekar is fluent in English and Tamil. He is a member of the American Society for Hematology and American Society of Clinical Oncology and has presented in annual meetings.


Outside of work, Dr. Raajasekar enjoys reading (especially sci-fi), hiking and spending time in nature. He is also a dedicated Manchester United fan.

Provider Information

Verified Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.9 out of 5
386 ratings,
101 reviews
7/19/2026
He is a good listener and informative
7/19/2026
Exceptional doctor
7/17/2026
Dr Arun was great in answering my questions and in explaining the next steps, what and why, very well
7/16/2026
The care providers at El Camino Cancer Care Center demonstrate professionalism and compassion in supporting patients through complex medical decisions. They offer attentive guidance during appointments, ensuring that concerns are heard and addressed with respect. Their commitment to patient wellbeing helps create a reassuring environment during every stage of treatment.
7/16/2026
He is very personable and caring.

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650-988-8338

Map & Directions

Office Address

2505 Hospital Dr, Ste 111 Mountain View, CA 94040