Kathy Sieu

Kathy Sieu, RN, MS, ANP-c, AOCNP

joined Contra Costa Oncology in 2008. She carries a double certification as a board certified adult nurse practitioner and as an Advanced Oncology Certified Nurse Practitioner. Kathy graduated with honors from UCSF's Master's Nurse Practitioner program. She, also, holds bachelor's degrees in psychology/sociology and nursing. All degrees were conferred with honors and distinction. Her background includes many years of experience at Stanford University Hospital in primary care, trauma, intensive care, and cardiology. She has coordinated clinical medical research in interventional cardiology and radiology and continues to coordinate the practice's clinical trials. Kathy continues to coordinate clinical trials for Contra Costa Oncology, as well as gently guiding patients through bone marrow biopsies.

 

Since graduation Kathy has pursued additional studies in Cancer Genetic Risk Assessment through the Oncology Nurses Society and more recently became a member of City of Hope's community of practice upon completing their Intensive Course for Cancer Genetic Risk Assessment. Kathy has an active role in coordinating the American Cancer Society's San Ramon site of Relay for Life and is a volunteer with the California Disaster Relief Medical Volunteers. In her spare time she enjoys physical fitness, time with family, travel, reading and hiking.


Roxie Kneen

Roxie Kneen, MSN, NP-C, OCN

is a board certified Family Nurse Practitioner with a Master's Degree from Georgetown University and certification by ONS as an oncology certified nurse. Her extensive background includes many years as an oncology certified nurse with the Veterans Administration both in the Bay Area as well as in Miami, which prompted her to further her education to become a nurse practitioner. At Contra Costa Oncology, she works in tandem with our team of physicians, performing comprehensive health assessments and providing extensive review and interpretation of laboratory and imaging results. Roxie also offers education to patients regarding side effects and toxicities of chemotherapy and biologic treatments. In her free time she enjoys spending time with family and traveling, and she is an avid runner.


Roxie Kneen

Linda McMullen, MSN, FNP-C

is a board certified Family Nurse Practitioner with a Master's Degree from Samuel Merritt University. She also holds a bachelor degree in Neuroscience, and has worked for several years as a cancer research associate at UCSF's department of radiation oncology and pediatric endocrinology. Her pre-clinical research experience to discover synergistic ways of combining radiation therapy with new monoclonal antibodies and targeted treatments made her realize her passion to pursue patient care within a clinical role as a nurse practitioner. Linda is also a firm believer in providing community outreach both near and far, and has taken on the role of a domestic violence counselor for survivors within the SF Bay Area, as well as embarking on medical mission to Ghana to help provide health care to those in need. She prides herself in being a great team member to the nurses and physicians whom she works with, and offers a gentle and supportive approach to patient care. In her spare time she enjoys spending time with her family, going on mini trips and adventures with her dogs, and trying out new food spots around the Bay.

Our registered nurses are specially trained and certified in the administration of chemotherapy medication and the management of its side effects. Fully committed to providing the utmost in individualized quality care, they address patient and family concerns with integrity and sensitivity. Our medical assistants work closely with physicians to offer patients the most comfortable, highly personalized experience possible. Along with skilled, knowledgeable care, our clinical staff is dedicated to providing a strong system of open communication, emotional support, and compassion for our patients' journey to health.


  • Cindy

    Nurse Manager/
    Danville & Dispensary Manager

  • Susan

    Nurse
    Manager

  • Chrissy

    Registered
    Nurse

  • Megan

    Registered
    Nurse

  • Thang

    Registered
    Nurse

  • Gabrielle

    Registered
    Nurse

  • Steve

    Medical Assistant/
    Financial Analyst

  • April

    Medical
    Assistant

  • Anna

    Medical
    Assistant

  • Michelle

    Medical
    Assistant

  • Ashley G

    Medical
    Assistant

  • Alexis

    Medical
    Assistant

  • Christine

    Admixture
    Technician

  • Christopher

    Admixture
    Technician

Comprised of approximately 30 staff members, Contra Costa Oncology places great value on the relationships formed with each patient. Our team of highly skilled, competent professionals is dedicated to providing expert patient care in a supportive, compassionate environment. And most of our staff has worked together for many years, making our staff more like a family than simply an office.


In addition, our registered nurses are also experienced oncology nurses, here to provide the highest levels of quality medical care, support, and education, as well as serving as advocates for patients and family members.


At Contra Costa Oncology, we make every effort to provide a relaxed setting where patients can feel comfortable asking any questions they may have, and secure in knowing that all of their concerns will be addressed.

From the moment patients and their families arrive at Contra Costa Oncology, our administrative staff is there to offer warm smiles and a comfortable atmosphere. They work collaboratively with our patients and medical staff to provide a variety of services including appointment scheduling, the processing of forms and records, referrals, and the coordination of insurance matters and financial responsibility. They also are available to research and arrange additional assistance programs that may be available to patients. Offering efficient, high-level support with kindness and respect, our administrative staff is dedicated to running a friendly, professional and well-organized office.

Heidi Lewis

Practice
Manager

Lorraine Hughes

Communications Director
and Accounts Payable

  • Lisa

    Front Desk
    Supervisor

  • Laura

    Front Desk
    Specialist

  • Lanie

    Front Desk
    Specialist

  • Jennifer

    Front Desk
    Specialist

  • Ashley

    Front Desk
    Specialist

  • Sara

    Billing Supervisor /
    EMR Coordinator

  • Stacy

    Billing
    Specialist

  • Jackie

    Billing
    Specialist

  • Christine C.

    Billing
    Specialist

  • Alicia

    Billing
    Specialist

  • Maria

    Authorization
    Specialist

  • Jessica

    Authorization
    Specialist

  • Kristina

    Medical Records
    Specialist