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

Dr. Theodore F Oslay, DC

Individual provider Occupational Health Chiropractor · NPI 1063693794

Dr. Theodore F Oslay, DC is a Chiropractic in Marion, Illinois. Graduated from Palmer College Chiropractic - Davenport in 1985, 41 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
41
Trained at
Palmer College Chiropractic - Davenport
Licensed in
IL
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

700 N Carbon St Ste B
Marion, IL 62959
Phone: (618) 440-4990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Health Chiropractor (primary) Taxonomy 111NX0100X · Licence 038005491 (IL)

Record details

NPI number1063693794
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedNovember 22, 2007
Last updated in NPPESDecember 31, 2019
Certification dateDecember 31, 2019

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolPALMER COLLEGE CHIROPRACTIC - DAVENPORT
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount