Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Bys Speech and Occupational Therapy Services, LLC

Organization Occupational Therapist · NPI 1316459183

Bys Speech and Occupational Therapy Services, LLC is an Occupational Therapist in Darien, Illinois. Works from 8 locations. Registered with an NPI since 2017.

In the registry since
2017
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8201 Cass Ave
Darien, IL 60561-5314
Phone: (630) 590-5571
Fax: (630) 326-7175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 8415 Explorer Dr Ste 130, Colorado Springs, CO 80920-1034 — (630) 590-5571
  • 3070 Business Park Dr Ste B, Norcross, GA 30071-1428 — (630) 590-5571
  • 16w361 S Frontage Rd Ste 131, Burr Ridge, IL 60527-5816 — (630) 590-5571
  • 8145 River Dr Ste 101, Morton Grove, IL 60053-2645 — (630) 590-5571
  • 1300 Remington Rd Ste K, Schaumburg, IL 60173-4800 — (630) 590-5571
  • 1920 Thoreau Dr N Ste 180, Schaumburg, IL 60173-4151 — (630) 590-5571
  • 8200 185th St Ste A, Tinley Park, IL 60487-9244 — (630) 590-5571

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X
Occupational Therapist Taxonomy 225X00000X

Record details

NPI number1316459183
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationBy Your Side, LLC
Authorized official Matthew Sullivan — Chief Financial Officer · (630) 590-5571
NPI enumeratedNovember 1, 2017
Last updated in NPPESMarch 8, 2021
Certification dateMarch 8, 2021
Mailing address8201 Cass Ave, Darien, IL 60561-5314

Other providers in Darien