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

Dr. Mark Brian Langgut, PHD

Individual provider Psychologist · NPI 1174610893

Dr. Mark Brian Langgut, PHD is a Clinical Psychologist in Chicago, Illinois. Qualified in 1986, 40 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
40
Licensed in
IL
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

180 N Michigan Ave Ste 340
Chicago, IL 60601-7401
Phone: (312) 372-9780
Fax: (708) 386-6251
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 071-003953 (IL)

Record details

NPI number1174610893
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 6, 2006
Last updated in NPPESJuly 8, 2007
Mailing address180 N Michigan Ave, Suite 340, Chicago, IL 60601-7401

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Chicago