Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1386612562 Individual Practitioner Male Practitioner

Dr. John R Zrelak , DC

Chiropractor • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. John Zrelak, DC is a registered healthcare professional specializing in Chiropractor in Chicago, IL. Practice services are available at 414 N ORLEANS ST under active NPI credentials.

Frequently performed procedures and clinical services include chiropractic manipulative treatment, 3-4 spinal regions. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

414 N Orleans St
Suite 207

Chicago, IL 606104421

Telephone 3128329700
Fax 3128329702
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.4 Yrs
State Avg: 23.6 Yrs
Regional Practice Density
652 Specialists

Practicing in Chicago, IL (4730 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
47.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions
282 35 $75.00 $39.41

Medical Specialties & State Licenses

Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Medicare Group
384400 (IL)
Commercial Insurance / Payer ID Rr Medicare
P00095819 (IL)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

4 Associated Practitioners
NPI 1508749805

Doctor of Chiropractic

Jessica Hiltner , MT

Massage Therapist

NPI 1639578479
Jenna Browder , LMT

Massage Therapist

NPI 1912306804

Licensed Massage Therapist

Lisa Cristia , LMT

Massage Therapist

NPI 1932508264

Licensed Massage Therapist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active January 17, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location January 17, 2008

Registered at 414 N ORLEANS ST, SUITE 207, CHICAGO, IL 606104421 (Tel: 3128329700)

📍
Updated Business Mailing Address January 17, 2008

Registered at 414 N ORLEANS ST, SUITE 207, CHICAGO, IL 606104493 (Tel: 3128329700)

👤
Provider Name / Credentials Updated January 17, 2008

Recorded as JOHN ZRELAK, D.C.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 17, 2008

Chiropractor

🟢
Initial NPI Registration & Enumeration March 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1386612562
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 14, 2006
Last Update: January 17, 2008
Sole Proprietor: No

Mailing Address

414 N Orleans St, Suite 207

Chicago, IL 606104493

Phone: 3128329700

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.