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

Dr. Mason Joseph Klaas, DC

Individual provider Chiropractor · NPI 1609790468

Dr. Mason Joseph Klaas, DC is a Chiropractor in Bartlett, Illinois. Licensed in Illinois. Registered with an NPI since 2026.

Licensed in
IL
In the registry since
2026
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

260 E Army Trail Rd Ste D
Bartlett, IL 60103-3005
Phone: (630) 830-8600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 038.024504 (IL)

Record details

NPI number1609790468
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedAugust 5, 2026
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026

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