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ATSDR Regional Offices

Western Branch - Region 9

ATSDR Region 9
75 Hawthorne St.
Suite 100, M/S:HHS-1
San Francisco, CA 94105
Map of Region 9

Region 9 includes Arizona, California, Hawaii, Nevada, Commonwealth of the Northern Mariana Islands (CNMI), U.S. Territory of Guam, Marshall Islands, Palau, American Samoa.

CAPT Robert Knowles
Regional Director
(415) 947-4317
(415) 947-4323 - FAX
KNOWLES.ROBERT@epa.gov
rdk6@cdc.gov
Benjamin Gerhardstein
Public Health Advisor
Regional Representative
(415) 947-4316
GERHARDSTEIN.BEN@epa.gov
fty9@cdc.gov
Libby Vianu
Environmental Health Scientist
Regional Representative
(415) 947-4319
VIANU.LIBBY@epa.gov
ljl8@cdc.gov
Jamie Rayman
Public Health Analyst
Health Educator
(415) 947-4318
RAYMAN.JAMIE@epa.gov
fpe7@cdc.gov
Contact Us:
  • Agency for Toxic Substances and Disease Registry
    4770 Buford Hwy NE
    Atlanta, GA 30341
  • 800-CDC-INFO
    (800-232-4636)
    TTY: (888) 232-6348
    Contact CDC-INFO
  • New Hours of Operation
    8am-8pm ET/Monday-Friday
    Closed Holidays
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30329-4027, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO

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