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

Dr. John R Zrelak, DC

Individual provider Chiropractor · NPI 1386612562

Dr. John R Zrelak, DC is a Chiropractor in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

414 N Orleans St Ste 207
Chicago, IL 60610-4421
Phone: (312) 832-9700
Fax: (312) 832-9702
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X (IL)

Record details

NPI number1386612562
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESJanuary 17, 2008

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