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DR. RONALD JAMES LOSIEWICZ DC
NPI 1235165457
Chiropractor in Lyons, IL

Active since June 23, 2006
3840 S HARLEM AVENUE, LYONS, IL 60534(708) 442-3050(708) 442-3058 Get Directions Write a Review

NPPES record last updated: April 24, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald James Losiewicz Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD JAMES LOSIEWICZ DC (NPI 1235165457) is an individual chiropractor in Lyons, Illinois, licensed in Illinois (038009846) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1235165457
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. RONALD JAMES LOSIEWICZCredential: DC
Location Address3840 S HARLEM AVENUELyons, IL 60534
Mailing Address6149 Knoll Wood Road, Unit 202Willowbrook, IL 60527 · (708) 442-3050 · Fax (708) 442-3058
Phone(708) 442-3050
Fax(708) 442-3058
Sole ProprietorYes
Enumeration DateJune 23, 2006
Last NPPES UpdateApril 24, 2008
✔ NPI 1235165457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IL · 038009846
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Also ListedChiropractor · OrthopedicTaxonomy 111NX0800X · License 038-009846 (IL)
3840 S HARLEM AVENUE, Lyons, IL 60534
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Losiewicz's NPI number?

The NPI number for Ronald Losiewicz is 1235165457. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Ronald Losiewicz located?

Ronald Losiewicz practices at 3840 S Harlem Avenue, Lyons, IL 60534. The listed phone number is (708) 442-3050.

What is Ronald Losiewicz's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Ronald Losiewicz was last updated on April 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.