List of United States Public Health Service Commissioned Corps four-star admirals
There have been 4 four-star admirals in the history of the U.S. Public Health Service Commissioned Corps. All four were directly commissioned into the regular corps. One was already an officer in the regular corps and the other three were originally civilians who were appointed to the regular corps and to grade upon taking office.
List of admirals 
The following lists of four-star admirals are sortable by last name, date of rank. The date listed is that of the officer's first promotion to admiral, and may differ from the officer's entry in the U.S. Public Health Service register. The year commissioned is taken to be the year the officer was directly commissioned which may precede the officer's actual date of commission by up to two years. Each entry lists the admiral's name, date of rank, active-duty position held while serving at four-star rank, number of years of active-duty service at four-star rank (Yrs), year commissioned and source of commission, number of years in commission when promoted to four-star rank (YC), and other biographical notes.
The list is sortable by last name, date of rank, number of years of active-duty service at four-star rank, year commissioned, and number of years in commission when promoted to four-star rank.
|#||Name||Date of rank||Position||Yrs||Commission||YC||Notes|
|1||James O. Mason||01 Oct 1983||Assistant Secretary for Health (ASH) 1989–1993.||4||1983 (direct)||6|
|2||David Satcher||13 Feb 1998||Assistant Secretary for Health/Surgeon General (ASH/SG) 1998–2001.||3||1998 (direct)||0||Reverted down to a vice admiral in 2001 after completing three years as ASH but remained as Surgeon General until 2002.|
|3||John O. Agwunobi||17 Dec 2005||Assistant Secretary for Health (ASH) 2005–2007.||2||2005 (direct)||0|
|4||Joxel García||28 Mar 2008||Assistant Secretary for Health (ASH) 2008–2009.||1||2008 (direct)||0|
1980 - present 
See also 
- Admiral (United States)
- List of active duty United States four-star officers
- List of United States Army four-star generals
- List of United States Navy four-star admirals
- List of United States Air Force four-star generals
- List of United States Marine Corps four-star generals
- List of United States Coast Guard four-star admirals
- List of United States military leaders by rank