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Dr. Mark John Glesener , DC

Chiropractor β€’ St Charles, IL

Active NPI 1306848387 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

1750 E Main St Ste 60
St Charles, IL 601742363

Call 6303778844 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

1750 E Main St Ste 60

St Charles, IL 601742363

Telephone 6303778844
Fax 6303778404
Organization at the Same NPPES Address or Phone
Glesener Chiropractic Center Pc Facility NPI 1073726626

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

Palmer College Chiropractic - Davenport

Graduation Year

1987

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019–2025.

Guide: How to read an Open Payments record

Years since graduation

39 years (graduated 1987)

CMS Doctors and Clinicians data list 1987 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2005

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Glesener has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Compared with the same specialty in St Charles and Illinois

55 active clinicians are listed under Chiropractor with a practice address in St Charles, IL (4,525 in Illinois).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in St Charles

0% of these 55 clinicians have the CMS telehealth indicator.

32.7% of these 55 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-07-16
Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

License # reported to NPPES IL 038-006085

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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Illinois Department of Financial and Professional Regulation.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Other Identifier Blue Cross Blue Shield #
04532055 (IL)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - CHIROPRACTIC

Medicare Enrollment ID

I20050108000022

Enrollment State Jurisdiction

IL

PECOS Control ID

5193773935

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

8 Historical Events
πŸ“
Updated Practice Location July 16, 2026

Registered at 1750 E MAIN ST STE 60, ST CHARLES, IL 601742363 (Tel: 6303778844)

πŸ“
Updated Business Mailing Address July 16, 2026

Registered at 1750 E MAIN ST STE 60, ST CHARLES, IL 601742363 (Tel: 6303778844)

βœ…
NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) July 09, 2007

Registered at 1750 E MAIN ST, SUITE #60, ST CHARLES, IL 601742363 (Tel: 6303778844)

πŸ“
Business Mailing Address (Initial Record) July 09, 2007

Registered at 1750 E MAIN ST, SUITE #60, ST CHARLES, IL 601742363 (Tel: 6303778844)

πŸ‘€
Provider Name / Credentials (Initial Record) July 09, 2007

Recorded as MARK GLESENER, D.C.

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Chiropractor (license number reported to NPPES: IL 038-006085)

🟒
Initial NPI Registration & Enumeration August 10, 2005

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1306848387
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 10, 2005
Last Update: July 16, 2026
Sole Proprietor: No

Other Chiropractors in St Charles

All Chiropractors in St Charles

Mailing Address

1750 E Main St Ste 60

St Charles, IL 601742363

Phone: 6303778844

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.