Finally found an official source online, although these awards have been reported here and there on social media.
The Professional Skaters Association Best Performance Awards (for US Nats)
1. Best Performance Women:
Isabeau Levito Free Skate, choreographed by Yulia Kuznetsova
2. Best Performance Men:
Jason Brown Short Program, choreographed by Rohene Ward
3. Best Performance Pairs:
Alexa Knierim and Brandon Frazier Free Skate, choreographed by Sinead and John Kerr)
4. Best Performance Ice Dance
Madison Chock and Evan Bates Free Dance, choreographed by Marie-France Dubreuil, Ginette Cournoyer, and Samuel Chouinard
Current issue of PS magazine, page 37:
The Professional Skaters Association Best Performance Awards (for US Nats)
1. Best Performance Women:
Isabeau Levito Free Skate, choreographed by Yulia Kuznetsova
2. Best Performance Men:
Jason Brown Short Program, choreographed by Rohene Ward
3. Best Performance Pairs:
Alexa Knierim and Brandon Frazier Free Skate, choreographed by Sinead and John Kerr)
4. Best Performance Ice Dance
Madison Chock and Evan Bates Free Dance, choreographed by Marie-France Dubreuil, Ginette Cournoyer, and Samuel Chouinard
Current issue of PS magazine, page 37:
PS Magazine — Professional Skaters Association
skatepsa.com