HRSA url  https://grants.hrsa.gov/2010/Web2External/Interface/FundingCycle/Externa...

Grants.gov   http://www.grants.gov/web/grants/view-opportunity.html?oppId=290556

Limited to one per institution.

The Health Resources and Services Administration HRSA is the primary Federal agency for improving access to health care by strengthening the health care workforce, building healthy communities and achieving health equity.  
HRSA grants improve and expand health care services for underserved people, focusing on the following program areas:  Health Professions, HIV/AIDS, Maternal & Child Health, Office of the Administrator, Primary Health Care/Health Centers, Rural Health, Healthcare Systems, Organ Donation, and Clinician Recruitment. 
HRSA opportunities  http://www.hrsa.gov/grants/index.html 

HRSA solicitations generally limit the number of applications that may go forward in response to a specific solicitation. If you wish to apply to a program that limits the number of applications allowed per institution, please convey your interest by emailing a one-page abstract about your proposal to cheryl-a-ridgeway@uiowa.edu   or   marta-gomez@uiowa.edu    in the Office of the Vice President for Research and Economic Development with a cc to the Division of Sponsored Programs DSP  era@uiowa.edu    or  dsp@uiowa.edu    as soon as possible, but at least 30 days in advance of the deadline.  If we receive multiple abstracts in response to a given solicitation, a review will be conducted to select the applicant to submit on behalf of the University of Iowa.  Application materials are due in DSP at least 5 business days prior to the deadline.