The United States Navy Medical Service Corps is a staff corps of the U.S. Navy, consisting of officers engaged in medical support duties. It includes healthcare scientists and researchers, comprising around 60% of its personnel, and healthcare administrators, comprising the remaining 40%. Many of the latter are former enlisted hospital corpsmen, the Medical Service Corps Inservice Procurement Program (MSC-IPP) being one of several routes from enlisted service to commissioned status. The Medical Service Corps has around 2,600 serving commissioned officers. Prior Chiefs / Directors Organization The Navy Medical Service Corps was created on 4 August 1947 by act of the United States Congress. Originally it had four specialist sections: Supply and Administration, Optometry, Allied Sciences, and Pharmacy. Currently the Navy Medical Service Corps has three sections: Healthcare Administration, Healthcare Sciences, and Clinical Care Providers. Healthcare Sciences are subdivided into the following fields of specialty: Aerospace Experimental Psychology Aerospace Physiology Biochemistry Entomology Environmental Health Industrial Hygiene Medical Technology Microbiology Research Physiology Radiation Health Research Psychology Clinical Care Providers are subdivided into the following fields of specialty: Audiology Clinical Psychology Dietitian/Food Management Occupational Therapy Optometry Pharmacy Physical Therapy Physician Assistant Podiatry Social Work See also Medical Service Corps (U.S. Army) Medical Specialist Corps (U.S. Army) Biomedical Sciences Corps (U.S. Air Force) Medical Service Corps (U.S. Air Force) References External links Naval Medical Research Center official webpage (on USN official website) Medical Service Corps. Navy.com (Health Care Opportunities) Medical Service Military units and formations established in 1947 United States Navy Medical Service Corps