The Family Member in the Room
Helping You Navigate Cancer Treatment With Personalized Services Including Accompanied Visits, Expedited Appointments, Guidance and Advocacy
Our Top Doctors
Benefits of Our Services
Personalized Support
Tailored guidance for your unique cancer journey and needs.
Expert Advocacy
MD with expertise in oncology and cancer genetics, a recognized authority in cancer survivorship, and independent of any specific institutions, providing unbiased, patient-centered advice.
Seamless Coordination
Efficiently managing appointments by connecting patients with doctors and ensuring smooth communication.
Personalized Cancer Support Services
Dr. Mercedes Castiel is a board-certified obstetrician-gynecologist whose career has focused on women’s cancer survivorship. She helped create one of the earliest cancer survivorship programs in the United States and has held academic appointments at leading institutions, including Memorial Sloan Kettering Cancer Center, NYU Langone Health, and the University of Chicago.
In addition to her expertise in cancer survivorship—with a particular research interest in menopause management—Dr. Castiel is certified in cancer risk genetics. She is the CEO of The Cancer Care Concierge, where she supports individuals of all ages and at every stage of the cancer journey, providing personalized advocacy, guidance, and clinical expertise through a high-touch care model.
Dr. Castiel earned her medical degree from the University of Toronto and completed her residency in obstetrics and gynecology. She has served on The Menopause Society’s Education Committee and ASCO’s Health Equity and Outcomes Committee, and she continues to serve on ASCO’s Survivorship Task Force. She is also a member of Blood Cancer United’s (formerly the Leukemia & Lymphoma Society) Leadership Development Committee.
See What We Offer
Dr. Castiel has been on faculty at major academic centers and has a network of consultants across the country. CCC is not affiliated with any institution, providing unbiased advice
Guide to Navigating Cancer
Our founder, Dr. Castiel is also a co-author of the book The No Bull**** Guide to Dealing with Cancer, available on Amazon. Grab your copy now.
