National Community Health Advisor Act - Directs the Secretary of Health and Human Services, for each State or State-designated entity that submits an appropriate application, to award financial assistance for the development and operation of community health advisor (CHA) programs. Requires such States to: (1) operate a clearinghouse to maintain and disseminate information on CHA programs; (2) provide technical assistance for training CHAs; and (3) coordinate all CHA activities carried out by the State under the award. Limits administrative costs to 15 percent of the total award.

Provides CHA program objectives and goals. Requires funding agreements for such awards to give priority to developing and operating CHA programs for medically underserved communities (poor rural and inner city areas). Requires a State to provide matching funds of 25 percent of award amounts toward such programs. Requires a CHA program in a State to be carried out in at least one urban area and one rural area. Requires ongoing supervision of CHAs involved in the program. Allows for expenditures under the award for training and continuing education programs. Requires reports from State applicants to the Secretary assessing the effectiveness of CHA programs.

Provides for the determination of the amount allotted to each chosen applicant, taking into account the population and poverty level of the area involved. Directs the Secretary to establish guidelines for quality assurance and cost-effectiveness of the CHA programs, requiring evaluations of each such program.

Prohibits this Act from being construed to require the Secretary to modify or terminate the Community Health Representative Program of the Indian Health Service.