No, no more expansion.
Just realign to make the divisions make more sense. you can give them old names too if you get randy for nostalgia . Keep division playoffs if that's what you want but no more wildcard, make it an actual division playoff. Either that or go to a 1/2 ->Straight seed for the conference. Conference winner is 1 seed (they play 8th), 2nd Division winner is 2 seed (they play 7th), everyone else is straight seeding 3-8 and you keep the 3v6, 4v5 set up.
If you looked at it today with current set up you get
BOS - PITT
CAR - NYI
NJD - TPA
TOR - NYR
LVG - WIN
DAL - SEA
LAK - COL
MIN - EDM
keep 82 games, go to 6 against your 7 division teams = 42 games
3 against inter division conference games = 24 games
1 home game against inter conference division A teams = 8 games
1 away game against inter conference division B teams = 8 games
42+24+8+8=82
Prince of Wales Conference:
Adams Division
Boston
Montreal
Toronto
Ottawa
Buffalo
NYR
NYI
NJD
Patrick Division
Philly
Pittsburgh
Columbus
Nashville
Washington
Carolina
Tampa
Florida
Campbell Conference
Norris Division
Detroit
Chicago
St Louis
Minnesota
Winnipeg
Colorado
Dallas
Arizona
Smythe Division
Edmonton
Calgary
Vancouver
Seattle
San Jose
LAK
Anaheim
Las Vegas