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

Dr. Christopher Mahr, MD

Individual provider Orthopaedic Surgery Physician · NPI 1548242134

Dr. Christopher Mahr, MD is an Orthopedic Surgery in Park Ridge, Illinois. Graduated from Northwestern University Feinberg Medical School in 1992, 34 years ago. Practices with Illinois Bone and Joint Institute, LLC, a 606-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
34
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

250 S Northwest Hwy Ste 100
Park Ridge, IL 60068-4237
Phone: (773) 631-7898
Fax: (773) 631-3005
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 036-100802 (IL)

Record details

NPI number1548242134
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 18, 2005
Last updated in NPPESOctober 30, 2024
Certification dateOctober 30, 2024
Mailing address900 Rand Rd Ste 300, Des Plaines, IL 60016-2359

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1992 (34 years in practice)
Group practice Illinois Bone And Joint Institute, Llc — 606 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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