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Indirect Cost Negotiations Contact Us

Cost Allocation Services is comprised of the following four field offices:

Western Field Office

San Francisco, CA
CAS-SF@psc.hhs.gov

Colleges and Universities, Hospitals and Nonprofit Organizations

U.S. States and Territories: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming, American Samoa, Guam, and Northern Mariana Islands

Lucy Siow
Branch Chief
lucy.siow@psc.hhs.gov
(301) 492-4891

State, Local and Tribal Governments

U.S. States and Territories: Alabama, Alaska, Arizona, California, Colorado, Georgia, Hawaii, Iowa, Kentucky, Maryland, Mississippi, Nebraska, New Mexico, North Carolina, North Dakota, Oregon, South Carolina, South Dakota, Utah, Washington, American Samoa, District of Columbia, Guam, and Northern Mariana Islands

Wanda Rayfield
Negotiator
wanda.rayfield@psc.hhs.gov

Michael Phillips
Negotiator
michael.phillips@psc.hhs.gov

Central States Field Office

Dallas, TX
CAS-Dallas@psc.hhs.gov

Colleges and Universities, Hospitals and Nonprofit Organizations

U.S. States and Territories: Arkansas, Illinois, Indiana, Iowa, Kansas, Louisiana, Michigan, Minnesota, Missouri, Nebraska, New Mexico, Ohio, Oklahoma, Texas, and Wisconsin

Olulola (Lola) Oluborode
Branch Chief
olulola.oluborode@psc.hhs.gov
(301) 492-4065

Mid-Atlantic Field Office

Rockville, MD
CAS-Bethesda@psc.hhs.gov

Colleges and Universities, Hospitals and Nonprofit Organizations

U.S. States and Territories: Alabama, Delaware, Florida, Georgia, Kentucky, Maryland, Mississippi, Pennsylvania, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, and District of Columbia

Olulola (Lola) Oluborode
Branch Chief
olulola.oluborode@psc.hhs.gov
(301) 492-4065

Northeastern Field Office

New York, NY
CAS-NY@psc.hhs.gov

Colleges and Universities, Hospitals and Nonprofit Organizations

U.S. States and Territories: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, Puerto Rico, and U.S. Virgin Islands

Lucy Siow
lucy.siow@psc.hhs.gov
(301) 492-4891

State, Local, and Tribal Governments

U.S. States and Territories: Arkansas, Connecticut, Delaware, Florida, Idaho, Illinois, Indiana, Kansas, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nevada, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin, Wyoming, Puerto Rico, and U.S. Virgin Islands

Wanda Rayfield
Negotiator
wanda.rayfield@psc.hhs.gov

Michael Phillips
Negotiator
michael.phillips@psc.hhs.gov

For general information

Vacant
Director, Cost Allocation Services

Content created by Program Support Center (PSC)
Content last reviewed April 22, 2025
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