[9][10] Since 1992, he has lived in Palo Alto, California,[11] with his wife, Katherine Sanborn,[12] who is a psychiatrist at Stanford University, and their two sons, Phillip III and Nicholas.

At the 2007 World Series of Poker, Hellmuth won his record-breaking 11th bracelet in the $1,500 No Limit Hold'em Event.

Hellmuth lost control of the car in the Rio All Suite Hotel and Casino parking lot and hit a light fixture.

[25] After a private meeting with WSOP Commissioner Jeffrey Pollack, the penalty was overruled,[26] and Hellmuth finished the tournament in 45th place.

[28][29][30] On June 11, 2012, Hellmuth won his 12th World Series of Poker bracelet in the $2,500 Seven-Card Razz event, defeating Don Zewin and earning $182,793.

On June 8, 2015, Hellmuth won his 14th World Series of Poker bracelet in the $10,000 Seven-Card Razz event, earning $271,105.

[33] On July 11, 2018, Hellmuth won his 15th World Series of Poker bracelet in the $5,000 No-Limit Hold'em event, earning $485,082.

[34] On October 17, 2021, Hellmuth won his 16th World Series of Poker bracelet in the $1,500 No-Limit 2–7 Lowball Draw event, earning $84,851.

[36] On July 2, 2023, Hellmuth won his 17th World Series of Poker bracelet in the $10,000 Super Turbo Bounty No-Limit Hold'em event, earning $803,818.

[37] Hellmuth has cashed 19 times, made five final tables, and earned over $1.5 million on the World Poker Tour.

[44] Hellmuth makes regular appearances on episodes of Poker After Dark on PokerGO both as a player and as a drop-in commentator.

Hellmuth took part in the 2008 National Heads-Up Poker Championship,[51] losing in the first round to Tom Dwan.

Following the unique rules of High Stakes Duel, Esfandiari was out of challenges and Hellmuth could cash out his $400,000 in winnings or progress through to Round 4.

[56] Hellmuth appeared in GSN's and PokerGo's cash game show, High Stakes Poker.

[62] In spring 2006, Hellmuth replaced Phil Gordon as commentator on Bravo's Celebrity Poker Showdown.

In the first week of Poker After Dark on NBC, Hellmuth asked fellow pros Shawn Sheikhan, Steve Zolotow, Gus Hansen and Huck Seed to stop talking while it was his turn to act on his hand after Annie Duke raised him.

[67] Duke remained quiet while the drama played out, though in a later interview, she described Hellmuth's behavior as "one of the biggest overreactions I have ever seen.

"[68] On Day 5 of the 2008 WSOP Main Event, Hellmuth folded A♠ K♥ to Cristian Dragomir's bet on a flop of 9♣ 10♣ 7♠.

Hellmuth proceeded to call Dragomir an "idiot," among other insults, and was eventually issued a warning by the floorperson for continued berating of another player.