Mark Williams is an addiction (substance use disorder) counselor in Chicago, IL. Mark Williams NPI is 1215522602. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
200 W MONROE ST STE 1150
CHICAGO, IL
ZIP 60606-036
Phone: (314) 369-8849
The enumeration date for this NPI number is 3/8/2021 and was last updated on 3/8/2021.