Dr. Ajay Upadhyay

Dr. Ajay Upadhyay

Surgical Oncologist

About

Dr. Ajay Upadhyay is a board-certified general surgeon with advanced fellowship training in surgical oncology. He is a distinguished member of BASS Medical Group through its First Surgical Consultants division and provides comprehensive cancer surgery services at the Gregory Rhodes MD Cancer Center in Walnut Creek, California.

With decades of experience in both complex oncologic procedures and general surgery, Dr. Upadhyay is known for his patient-centered approach, clinical precision, and collaborative care philosophy. He specializes in the surgical management of gastrointestinal, hepatobiliary, pancreatic, and endocrine tumors, among other malignancies. His clinical interests also include minimally invasive techniques and evidence-based surgical innovation.

Dr. Upadhyay earned his medical degree and completed his surgical residency at premier institutions, followed by rigorous fellowship training in surgical oncology. He is a Fellow of the American College of Surgeons (FACS) and is widely respected among peers for his thoughtful, compassionate care and dedication to improving surgical outcomes.

At the Gregory Rhodes MD Cancer Center, Dr. Upadhyay works closely with a multidisciplinary team to ensure personalized, coordinated cancer care tailored to each patient’s needs. Whether leading complex surgical interventions or guiding patients through their treatment journey, he brings expertise, integrity, and a deep commitment to healing.

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Dr. Ajay Upadhyay