Stephen J. M. Banks, MD

Radiation Oncology
American Board of Radiation Oncology

Dr. BanksDr. Banks received his medical degree from Stanford University in 1993, and then continued on at Stanford for his residency training in radiation oncology where he and Dr. David Tate worked together for over three years. In 1997, he joined Inova Alexandria Cancer Center, just outside Washington, D.C., as a radiation oncologist where he became the Director of Brachytherapy and Medical Director of the American College of Surgeons accredited community cancer center. While practicing in Virginia, Dr. Banks specialized in treatment of prostate cancer, and was a co-founding member of the Prostate Brachytherapy Research Group. While practicing in the Washington, D.C. area, Washingtonian Magazine named him a Top Doctor for seven consecutive years.

In 2008, Dr. Banks and his family chose to return to California where he was recruited to develop a prostate cancer program by Redwood Regional Medical Group. Upon joining the Martin-O’Neil Cancer Center at St. Helena Hospital in 2011, he has been given the opportunity to realize a long time goal of developing a regional center of excellence for the management of prostate cancer.

He has personally performed more than 1500 prostate seed implants, and his results have been presented at national meetings and published in peer reviewed journals. He currently works on a national level as a proctor training other physicians on how to perform prostate brachytherapy as well as use of the novel recently FDA-approved rectum sparing procedure using Space Oar Gel.

Norma Medina, ANP-BC, AOCNP

Advanced Oncology Nurse Practitioner

Norma MedinaNorma works closely with our physicians to provide a compreshensive treatment plan for patients. Patients will likely meet Norma for the first time during their patient education session to discuss their cancer treatment. She will continue to be involved in their care throughout treatment, assessment of patient’s genetic cancer risk testing and follow up. She is also involved in providing a Survivorship Care Plan for patients which outlines long term survivorship treatment. She provides education regarding the patient’s individualized treatment plan, symptom management visits, and equips patients with the necessary tools for healthy living and long term survivorship beyond treatment.

Pedro Ramirez, MD

Surgical Oncologist & General Surgeon
American Board of Surgery

Dr. Pedro RamirezDr. Ramirez is a board certified general surgeon and has a special interest in pancreatic cancer. Dr. Ramirez received his medical degree from Brown University and subsequently completed his residency in general surgery at the University of Alabama at Birmingham.

During residency, Dr. Ramirez spent time in a basic science laboratory studying gastrointestinal cancer through National Institutes of Health-sponsored funding. He completed an advanced gastrointestinal / hepato-pancreatico-biliary fellowship at Johns Hopkins Hospital.

Ethan D. Schram, MD

Chief of Staff, Adventist Health St. Helena
Board Certified American Board of Internal Medicine
Board Certified American Board of Oncology
Board Certified American Board of Hematology

Dr. Ethan SchramDr. Schram received his medical degree from University of California, Davis, in 2003. He completed his residency in internal medicine at Oregon Health & Science University and a Fellowship in hematology/oncology at Scripps Clinic and Research Foundation in La Jolla where he was Chief Fellow. Prior to joining the Martin-O’Neil Cancer Center, he was a medical oncologist at East Bay Medical Oncology-Hematology Associates.

Dr. Schram’s recognitions include the Scripps Health Nell and Tom Waltz Award for Leadership in Medicine and the Northwestern University Lynn Sage Breast Cancer Achievement Award.

Gregory B. Smith, MD

Director, Martin-O’Neil Cancer Center
Board Certified American Board of Internal Medicine
Board Certified American Board of Oncology
Board Certified American Board of Hematology

Dr. Gregory SmithDr. Smith received his medical degree for UCLA School of Medicine in 1981 and continued with an internship in Internal Medicine at UCLA San Fernando Valley, then completed his Fellowship in Hematology and Medical Oncology at Scripps Clinic and Research Foundation in La Jolla.

His distinguished career includes leadership of cancer research programs in Texas and California. Dr. Smith is known for his compassion and encouragement. “Never give up,” he states. “This is the conviction I have tried to impart to my patients and to my children. This is true for cancer treatment, sports, school or any endeavor.”

Wahu Oseso, CCRC

Research & Clinical Trials Coordinator

Wahu OsesoOur Research and Clinical Trials Coordinator, in partnership with our Medical Director, directs our research programs. In this role, Wahu also connects patients to appropriate clinical trials and monitors the treatment protocols throughout the trial. Contact Wahu at (707)967-3698 for any questions regarding clinical trials or research.

David Tate, MD

Radiation Oncology
American Board of Radiology

Dr. David TateDr. Tate attended University of Virginia, where he received his BA with high distinction in 1987 and medical degree in 1991. Following his internship, he completed his residency training in radiation oncology at Stanford University in 1995. Dr. Tate joined the faculty as an Assistant Professor at Stanford from 1995 through 1999, where his clinical and research interests included treatment techniques such as stereotactic radiosurgery, brachytherapy and intensity modulated radiation therapy. He worked with Dr. Stephen Banks at Stanford for just over 3 years there.

Dr. Tate is board certified in radiation oncology and has published articles in peer reviewed journals on treatment of disease ranging from lymphoma to prostate cancer. He is particularly interested in targeted radiation therapy techniques which minimize side effects of treatment. Dr. Tate also has extensive experience in treatment of patients with a combination of chemotherapy and radiation therapy. When asked why he chose Martin-O’Neil Cancer Center he said, “I am delighted to be at a cancer center of excellence, providing advanced treatment techniques, as well as a holistic approach to patient care.”

Colleen Winters, LCSW, OSW-C

Patient Navigator

Colleen WintersAs a Licensed Clinical Social Worker who is board certified in oncology clinical social work, she manages the Integrative Cancer Support Services and is a therapist for patients and their families.

She offers short-term psycho dynamic therapy for a variety of issues such as anxiety and stress, how cancer affects intimacy, body image and how to navigate and cope with a life challenging illness. She introduces patients to advanced care planning tools and palliative care. Colleen also connects patients to local and national resources as they consider their diagnosis and its impact on work and family during their cancer journey.

In her role managing the Integrative Cancer Support Services she has developed a full range of survivorship programs and services such as acupuncture, music therapy, yoga, guided imagery, support groups, mindfulness eating and meditation.

Colleen has over 20 years of management and direct service experience working in acute care and outpatient oncology. She has post graduate training in behavioral Health integration in primary care, psycho-dynamic therapy and advance care planning.

As a Patient Navigator she is actively involved in community outreach and is constantly seeking creative ways to promote high quality programs and services for cancer survivors.