Gwendolyn Layman , MS CCC-SLP, L
Speech-Language Pathologist • Oak Lawn, IL
Professional Overview & Biography Verified Profile Summary
Gwendolyn Layman, MS CCC-SLP, L is a registered healthcare professional specializing in Speech-Language Pathologist in Oak Lawn, IL. Practice services are available at 5800 W 100TH PL under active NPI credentials.
Practice Location & Contact Primary Location
5800 W 100th Pl
Oak Lawn, IL 604533765
Specialty Benchmarks & Practice Insights
Comparative analytics for Speech-Language Pathologist in Oak Lawn, IL
Practicing in Oak Lawn, IL (10321 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-07-14NUCC Taxonomy Code: 235Z00000X
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
Secondary Practice Locations
10125 S Roberts Rd Ste 104
Palos Hills, IL 604651557
Phone: 7086255071
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 5800 W 100TH PL, OAK LAWN, IL 604533765 (Tel: 7082899142)
Registered at 5800 W 100TH PL, OAK LAWN, IL 604533765 (Tel: 7082899142)
Recorded as GWENDOLYN LAYMAN, MS CCC-SLP/L
NPI status registered as active in NPPES database
Registered at 7600 MASON AVE, BURBANK, IL 604591297 (Tel: 7084964355)
Registered at 10004 S 53RD AVE, OAK LAWN, IL 604533812 (Tel: 7082899142)
Recorded as GWENDOLYN BOLHUIS, MS CCC-SLP/L
Speech-Language Pathologist (License #146.014588 in IL)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
5800 W 100th Pl
Oak Lawn, IL 604533765
Phone: 7082899142
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