As you requires here I am giving you list of top ranked universities / schools which offers Master courses in Public Health in USA.

List of top ranked universities / schools for Master courses in Public Health in USA:

The Ohio State University – Columbus, Ohio
The College of Public Health
Program offers:
Master of Public Health in:
Biomedical Informatics
Biostatistics
Clinical Translational Science
Environmental Health Sciences
Epidemiology
Health Behavior and Health Promotion
Health Services Management and Policy Program for Experienced Professionals
Veterinary Public Health

Johns Hopkins University – Baltimore, Maryland
Bloomberg School of Public Health
Program offers:
Master of Public Health and Master of Business Administration (MPH/MBA)
Master of Public Health and Master of Social Work (MPH/MSW)
Master of Public Health and Master of Science in Nursing (MPH/MSN)
Master of Public Health and Juris Doctor (MPH/JD)

University of North Carolina – Chapel Hill, North Carolina
UNC Gillings School of Public Health
Program offers:
Master of Public Health with Specialization in Biostatistics
Master of Public Health with Specialization in Environment Sciences and Engineering
Master of Public Health with Epidemiology Concentration
Master of Public Health with a Veterinary Epidemiology Concentration
Master of Public Health with Specialization in Health Behavior

Harvard University – Cambridge, Massachusetts
Harvard School of Public Health
Program offers:
Master of Public Health

University of Michigan – Ann Arbor , Michigan
The School of Public Health
Program offers:
Master of Public Health

Master of Public Health with a Concentration in:
Environmental Quality and Health
Human Nutrition
Industrial Hygiene
Occupational and Environmental Epidemiology
Toxicology

Columbia University – New York, New York
Mailman School of Public Health
Program offers:
Master of Public Health
Doctor of Public Health

University of Washington – Seattle, Washington
School of Public Health

Program offers:
Master of Public Health (MPH) with Optional Specializations in:
Biostatistics
Community-Oriented Public Health Practice
Environmental and Occupational Health
Epidemiology
Global Health
Health Services
Maternal and Child Health
Nutritional Sciences
Nutritional Sciences with the Graduate Coordinated Program in Dietetics
Occupational & Environmental Medicine
Public Health Genetics