Chief medical officer

Definition from the Star Trek Encyclopedia: A Reference Guide to the Future 2nd edition...

Chief Medical Officer. Aboard a Federation starship, the officer in charged with the responsibility for the health and well-being of the ship's crew. Under certain circumstances, the CMO is authorized to certify a ship's Captain as unfit for command.

List by Doctor

 * Dr. Sarah April
 * USS Enterprise (2245)
 * Dr. Julian Bashir
 * Starbase Deep Space 9 (2369-)
 * USS Defiant (NX-74205) (2371-2375)
 * USS Defiant (NCC-75633) (2375-)
 * Dr. Phillip Boyce
 * USS Enterprise (2254)
 * Dr. Beverly Crusher
 * USS Enterprise-D (2364, 2366-2371)
 * USS Enterprise-E (2372-2379)
 * The Doctor
 * USS Voyager (2371-2377)
 * Copernicus Station (2379)
 * Ezekiel Fisher
 * Starbase 47, aka Vanguard (2265)
 * Dr. Fitzgerald
 * USS Voyager (2371, KIA)
 * Dr. Carter Greyhorse
 * USS Stargazer (2333-2355)
 * Dr. Jarem Kaz
 * USS Voyager (2378)
 * Dr. Latasa
 * USS Hunley (c. 2391)
 * Dr. Elizabeth Lense
 * USS Lexington (NCC-61832) (2369-2376)
 * USS da Vinci (2376)
 * Dr. Leonard McCoy
 * USS Enterprise (NCC-1701) (2264, 2266-2270, 2273-2285)
 * USS Enterprise-A (2285-2293)
 * Dr. Uta Morell
 * USS Enterprise-B (2311)
 * Dr. Katherine Pulaski
 * USS Enterprise-D (2365)
 * USS Repulse (-2364, 2366-)
 * USS Progress (2369)
 * Dr. Phlox
 * Enterprise (2151-2161)
 * Dr. Mark Piper
 * USS Enterprise (NCC-1701) (2265)
 * Dr. Shenti Yisec Eres Ree
 * USS Titan (2379-)
 * Dr. Lewis Rosenhaus
 * USS Constellation (NCC-1017) (2266)
 * Dr. Selar
 * USS Enterprise-D (2369, temporary)
 * USS Excalibur (2373-2376)
 * USS Excalibur-A (2376-)
 * Dr. Jo Stern
 * USS Enterprise-C (2336)
 * Dr. Stevenson
 * USS Enterprise-D (2380)
 * Dr. T'Pek
 * USS Destiny (2375)
 * Dr. Villers
 * USS Grissom (NCC-42857) (2369?)
 * USS Trident (2376-)

Starships

 * USS Constellation (NCC-1017)
 * Dr. Lewis Rosenhaus (2266)
 * USS da Vinci
 * Dr. Elizabeth Lense (2376)
 * USS Defiant (NX-74205)
 * Dr. Julian Bashir (2371-2375)
 * USS Defiant (NCC-75633)
 * Dr. Julian Bashir (2375-)
 * USS Destiny
 * Dr. T'Pek (2375)
 * Enterprise (NX-01)
 * Dr. Phlox (2151-2161)
 * USS Enterprise
 * Dr. Sarah April (2245)
 * Dr. Phillip Boyce (2254)
 * Dr. Leonard McCoy (2264)
 * Dr. Mark Piper (2265)
 * Dr. Leonard McCoy (2266-2270, 2273-2285)
 * USS Enterprise-A
 * Dr. Leonard McCoy (2285-2293)
 * USS Enterprise-B
 * Dr. Uta Morell (2311)
 * USS Enterprise-C
 * Dr. Jo Stern (2336)
 * USS Enterprise-D
 * Dr. Beverly Crusher (2364)
 * Dr. Katherine Pulaski (2365)
 * Dr. Beverly Crusher (2366-2371)
 * USS Enterprise-E
 * Dr. Beverly Crusher (2371-2379)
 * USS Excalibur
 * Dr. Selar (2373-2376)
 * USS Excalibur-A (2376-)
 * Dr. Selar (2376-)
 * USS Grissom (NCC-42857)
 * Dr. Villers (2369?)
 * USS Hunley
 * Dr. Latasa (c. 2391)
 * USS Lexington (NCC-61832)
 * Dr. Elizabeth Lense (2369-2376)
 * USS Progress
 * Dr. Katherine Pulaski (2369)
 * USS Repulse
 * Dr. Katherine Pulaski (-2364, 2366-before 2369)
 * USS Stargazer
 * Dr. Carter Greyhorse (2333-2355)
 * USS Titan
 * Dr. Shenti Yisec Eres Ree (2379-)
 * USS Trident
 * Dr. Villers (2376-)
 * USS Voyager
 * Dr. Fitzgerald (2371, KIA)
 * The Doctor (2371-2377)
 * Dr. Jarem Kaz (2376)

Starbases

 * Copernicus Station
 * The Doctor (2379)
 * Deep Space 9
 * Dr. Julian Bashir (2369-)
 * Starbase 47, aka Vanguard
 * Ezekiel Fisher (2265)