Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Ludwig, LSW

Individual provider Clinical Social Worker · NPI 1255164455

John Ludwig, LSW is a Clinical Social Worker in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2024.

Licensed in
IL
In the registry since
2024
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

See every abbreviation used in this directory →

Practice location Address checks out

4433 N Ravenswood Ave Ste 210
Chicago, IL 60640-7755
Phone: (773) 876-8763
Fax: (872) 315-3138
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149031732 (IL)

Record details

NPI number1255164455
Entity typeIndividual (Type 1)
GenderMale
Credentials LSW
Sole proprietorNo
NPI enumeratedAugust 22, 2024
Last updated in NPPESJune 18, 2026
Certification dateJune 18, 2026

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