You can see a image of the pill here to confirm.
www.kindhead.com/pill_images/54142.html
Imprint: 54142
Description: Tab, White, Round, Scored, 54 over 142
Drug/Strength:
Methadone HCl 10 mg
Brand (or equiv.): Dolophine
Firm: Roxane
NDC#: 00054-4571
Class/Sch: Analgesic/ CII