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

Dr. Grzegorz Bigaj, DN, LAC

Individual provider Naprapath · NPI 1629190426

Dr. Grzegorz Bigaj, DN, LAC is a Naprapath in Niles, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
LAC — Licensed Associate Counselor
A counsellor practising under supervision toward full licensure. In some states the same letters mean Licensed Acupuncturist.

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Practice location Address checks out

7900 N Milwaukee Ave Ste # 2-29
Niles, IL 60714-3159
Phone: (773) 879-7401
Show map & directions

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

Specialties & licences

Acupuncturist (primary) Taxonomy 171100000X · Licence 198001505 (IL)
Naprapath Taxonomy 172P00000X · Licence 181000300 (IL)

Record details

NPI number1629190426
Entity typeIndividual (Type 1)
GenderMale
Credentials DN , LAC
Sole proprietorYes
NPI enumeratedApril 4, 2007
Last updated in NPPESOctober 21, 2021
Certification dateOctober 21, 2021

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