For other uses, see Phlox.
For the mirror universe counterpart, see Phlox (mirror).

Phloxx-tunnai-oortann was a male Denobulan physician who served as chief medical officer during the historic voyages of the Enterprise (NX-01) under Captain Jonathan Archer from the years 2151 to 2161. (ENT - Rise of the Federation novel: Live by the Code)

Like most Denobulan males, he had three wives, who in turn each had three husbands. Two of his 'first' wives were Xesophia, who sadly died in a drowning accident in 2124, and Endora, while a later wife, Feezal, once visited him aboard Enterprise. (ENT episodes: "Dear Doctor", "Stigma", "Zero Hour", ENT short story: "Cabin E-14")

Phlox began his career as a doctor in 2114. (ENT episode: "Damage")

He also served as chairman of immunology at his alma mater. Phlox was considered honorable. (CCG set: ST, card: "Phlox")

Phlox's alma mater's name was not mentioned.


In February of 2152 Phlox was assigned to decontaminate the quarters of Crewman Daniels, who had been revealed to be a time-traveler from the 31st century. While in Daniels quarters, Phlox discovered a device that allowed him travel through time at will and decided to use the device to rescue his wife Xesophia before the accident.

The device didn't work as Phlox hoped, and he was only able to travel back ten months, shortly after Enterprise's launch. With Daniel's assistance, Phlox was able to use the device to return to the proper time, but not before glimpsing a possible future in which Enterprise was under attack by Nausicaan pirates. (ENT short story: "Cabin E-14")

Following the end of the Earth-Romulan War and the founding of the United Federation of Planets Phlox was assigned to the Federation starship USS Endeavour under the command of Captain T'Pol. He was one of several Enterprise officers and crew to be assigned to Endeavour. (ENT - Rise of the Federation novel: A Choice of Futures)


By the 2250s, Phlox was a teacher at Starfleet Academy. In the 2260s, Phlox had left his position to do exploring, at which point he found himself filling in temporarily as doctor on Epsilon Zeta VII. He helped USS Enterprise CMO Leonard McCoy, Dr. Jabilo M'Benga, and Nurse Christine Chapel find a cure to a virus at the Epsilon Zeta 7 Outpost. (ST comic: "Flesh and Stone")

Continuing Influence

By the mid-23rd century, the Phlox Prize for Medicine had been named in his honor. Dr. Othello Beck received it in 2241. (TOS comic: "Year Four, Issue 1")

After the Albino had bombed the peace conference on Korvat in 2291, Doctor Christine Chapel studied material written by Phlox to better understand the Albino and his condition. (TLE novel: Excelsior: Forged in Fire)

In the year 2375, Phlox's notes on a malady known as Vulcans scourge were crucial to Doctors Julian Bashir and Beverly Crusher on Federation starbase Deep Space 9 in their efforts in finding a cure for a virus created by the Dominion that targeted Vulcans. (ST short story: "Mirror Eyes")

By the year 2376, a medical research facility named the Phlox Institute had been named in his honor. Katherine Pulaski served at the Phlox Institute until at least 2379. (SCE eBook: Progress; TNG novel: A Time for War, A Time for Peace)

Phlox's influence was felt in the 2380s when a virus similar to the Epsilon Zeta VII one affected the Space Station Diamandis 1 . A Starfleet team's consultations with Admiral Leonard McCoy revealed the story behind the Epsilon Zeta infection and Phlox's assistance in resolving that situation, leading to the resolution of the Diamandis situation. (ST comic: "Flesh and Stone")

Alternate timeline

In an alternate timeline in which John Frederick Paxton destroyed Starfleet Command and ended the talks for the Coalition of Planets in 2155, Phlox left the Enterprise in 2161, following the Isolationist Party's takeover of the Parliament of United Earth. He returned to his family on Denobula. He had died prior to 2264.

By 2264, his great-grandson Vleb was the Denobulan ambassador to the Interstellar Coalition and attended the conference on Babel that year to consider United Earth's petition for membership. During the conference, he related one of Phlox's less-than-complimentary stories about Captain Jonathan Archer to Ambassador Nancy Hedford. (TOS - Myriad Universes novel: A Less Perfect Union)



Enterprise (NX-01) personnel
Earth Starfleet personnel AlmackJ. AndersonAnsaraJ.B. ArcherBairdL. BilaniBillyBishopK. BorovskyM. BurchBurrowsCamachoCarstairsR. ChandraColeCookCravensE. CutlerDanielsDiazDickisonDuelJ. EdwardsM. FinckeFosterA. GaetaGarverA. HartHessJ. HornHutchisonKelbyJ. KellyKimballKoJ. LeeE. LeydonF. MarcelT. MayweatherM. McCallMeirNguyenE. NovakovichD. O'NeillPerkinsPhloxPointerM. ReedA. RhodesK. RileyM. RostovK.P. RyanA. al SaedSalvatoreSantiniH. SatoStepanczykJ. TaylorT'PolTomC. Tucker IIID. WalshWilliamsZabel Seal of United Earth NX01patch
MACO contingent D. ChangA. ColeCostaC. EbyS. GuitierrezJ. HayesM. KellyN. KemperT. KimuraD. McCammonJ. McKenzieS. MoneyOgilvyO'MalleyM. PeruzziO. Salazar-TuckerW. Woods Seal of United Earth MACO
Chief medical officers of the starships Enterprise
Enterprise (NX-01) Phlox NX01patch
USS Enterprise (NCC-1701) Poole-AprilBoycePiperMcCoyChapel Enterprise med insignia
USS Enterprise (NCC-1701) (Kelvin timeline) PuriMcCoy 2250s alt sci badge
USS Enterprise (NCC-1701) (other alternate realities) McCoyBoyceCarlottiM'Benga
USS Enterprise (NCC-1701-A) McCoy Starfleet 2280s insignia
USS Enterprise (NCC-1701-A) (alternate realities) Carlotti
USS Enterprise (NCC-1701-B) MetcalfeMichaelsMcCoyMorell
USS Enterprise (NCC-1701-C) CasadoSternAristide
USS Enterprise (NCC-1701-D) CrusherPulaski Starfleet 2360s insignia
USS Enterprise (NCC-1701-D) (alternate realities) Ogawa
USS Enterprise (NCC-1701-E) CrusherStevenson Starfleet 2370s insignia
ISS Enterprise (NX-01) Phlox TerranEmpire
ISS Enterprise (NCC-1701) BoyceMcCoyM'Benga
ISS Enterprise (ICC-1701-D) Crusher
Endeavour personnel
United Earth, Earth Starfleet Endeavour (NX-class) GoldserS. ReynardSheaE. StilesWinchester Seal of United Earth United Earth Starfleet emblem
Federation, Starfleet USS Endeavour (Columbia-class) AbnettB. AlonzoB. BragenM. ChiangCurryE. CutlerP. JanleyT. KimuraI. LegattS. MoneyP. OrtegaPhloxM. ReedA. ch'RevashM. RomaineH. SatoTeskaT'PolB. ValmarZircher UFP seal Starfleet Command logo
USS Endeavour (Icarus-class) Shannon USS Endeavour
(Kelvin timeline)
USS Endeavour (Constitution-class) BernsteinBradsh'DastisarH. EstradaFaranR. GarrettB. GriffinHalseA. KhatamiS. KlisiewiczK. LaMartinaJ. La SalaA. LeoneB. MalmatM. McCormackP. McGibbonB.g. MogMullerNaulsNeelakantaNelsonP. NortonM. RiceRoderickth'ShendilethSikalK. StanoStegbauerThorsenT'PesZhao Sunnamed USS Endeavour (NCC-1895) personnel
USS Endeavour (Nebula-class) J. AmasovC. BarnesN. Kyprios
USS Endeavour personnel roster

Background information

Phlox flashback

Phlox's comic book debut
















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