MR. CHRISTOPHER MICHAEL MARKELZ DO
NPI 1225831456
Internal Medicine in Park Ridge, IL

Active since March 31, 2025
1775 BALLARD RD, PARK RIDGE, IL 60068(847) 318-9340(847) 318-2966 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 16, 2025, Mar 31, 2025 (2 updates tracked since 2025).

About Mr. Christopher Michael Markelz Do NPPES

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

MR. CHRISTOPHER MICHAEL MARKELZ DO (NPI 1225831456) is an individual internal medicine provider in Park Ridge, Illinois, licensed in Illinois (125.085781) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1225831456
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. CHRISTOPHER MICHAEL MARKELZCredential: DO
Location Address1775 BALLARD RDPark Ridge, IL 60068-1005
Mailing Address1775 Ballard RdPark Ridge, IL 60068-1005 · (847) 318-9340 · Fax (847) 318-2966
Fax(847) 318-2966
Sole ProprietorNo
Enumeration DateMarch 31, 2025
Last NPPES UpdateJune 16, 20252 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
NPI 1225831456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 125.085781
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1775 BALLARD RD, Park Ridge, IL 60068

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Student in an Organized Health Care Education/Training Program
1775 BALLARD RD
PARK RIDGE, IL 60068
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Student in an Organized Health Care Education/Training Program
1775 BALLARD RD
PARK RIDGE, IL 60068
Internal Medicine (Geriatric Medicine)
1775 BALLARD RD
PARK RIDGE, IL 60068
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068

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 Christopher Markelz's NPI number?

The NPI number for Christopher Markelz is 1225831456. It was assigned to this individual provider in the NPPES registry on March 31, 2025.

Where is Christopher Markelz located?

Christopher Markelz practices at 1775 Ballard Rd, Park Ridge, IL 60068. The listed phone number is (847) 318-9340.

What is Christopher Markelz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Christopher Markelz was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.