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Edit this profileAt a glance
- 200 W Monroe St Ste 1150, Chicago, IL 60606
About Mark Williams
Mark Williams is an addiction & substance abuse counselor based in Chicago, IL. The provider's National Provider Identifier (NPI) is 1215522602.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (314) 369-8849
- Email not available
Practice Locations
200 W MONROE ST STE 1150
Chicago, IL 60606
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other addiction & substance abuse counselors at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Mark Williams?
Mark Williams is an addiction & substance abuse counselor in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mark Williams's address?
Mark Williams is listed at 200 W Monroe St Ste 1150, Chicago, IL 60606. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark Williams?
The number on file is (314) 369-8849. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark Williams's NPI number?
Mark Williams's National Provider Identifier is 1215522602. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Mark Williams been practicing?
Mark Williams has 5+ years experience. Registered with an NPI since 2021. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Mark Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.