I found this list. Hope this helps!
Top 10 Cancer Centers of United States
Memorial Sloan-Kettering Cancer Center, New York, New York
University of Texas, M. D. Anderson Cancer Center, Houston, Texas
Johns Hopkins Hospital, Baltimore, Maryland
Mayo Clinic, Rochester, Minn.
Dana-Farber Cancer Institute, Boston, Mass
Duke University Medical Center, Durham, N.C.
Stanford University Hospital, Stanford, Calif.
University of Washington Medical Center, Seattle, Wash.
University of Chicago Hospitals, Chicago, Illi.
UCLA Medical Center, Los Angeles, Calif.
Roswell Park Cancer Institute, Buffalo, New York
Ok what about southern California?
What area do you live in? Cleveland Clinic in Ohio has a fantastic menu of oncologists and hematologists.
Here is the web address to the page I found. http://my.clevelandclinic.org/staff_directory/PhysicianResults.aspx?type=advanced&dept=Cancer+Biology&tab=true
Thay also have facilities in N.Y. and Florida.