Offering Surgical Oncology

Mission Hope Surgical Oncology| Santa Maria | 805-346-3456

Your Oncology Team

Diagnosing and treating cancer is complex. We use a multidisciplinary approach, which consists of different medical professionals to give you the best possible outcome. Your healthcare team meets twice weekly at Mission Hope Cancer Center for Tumor Board to discuss all cancer cases and share knowledge to determine the best possible treatment for our patients. Every patient receives an individualized treatment plan.

A Surgeon…

is a doctor who can perform biopsies to diagnose cancer and treat cancer using surgeries that remove the tumor and nearby tissue.A Plastic or Reconstructive Surgeon treats structures of the body affected aesthetically or functionally by cancer and its surgeries.

Jonathan Tammela, MD


Dr. Jonathan Tammela is a triple board-certified surgeon in Gynecologic Oncology, Hospice and Palliative care, and Obstetrics and Gynecology. He provides highly specialized care in the diagnosis, treatment, and management of cancers affecting the female reproductive tract.

He received his medical degree from Indiana University School of Medicine and completed his residency in OB/GYN at the University of Florida. He was selected to complete subspecialty training in Gynecologic Oncology at Roswell Park Cancer Institute in Buffalo, New York.

Dr. Tammela is a trailblazer in his field, having established the first robotic gynecologic oncology program in NE Wisconsin, when robotic surgery was just beginning to show clinical promise in surgical cancer care. He became a proctor and instructor for colleagues desiring to train in robotic surgery, and has himself performed over 1000 robotic surgeries.

He looks forward to bringing expert care to Mission Hope Cancer Center.