Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. John Leuthner, MD

Individual provider Physical Medicine & Rehabilitation Physician · NPI 1851737779

Dr. John Leuthner, MD is registered under Physical Medicine and Rehabilitation in Fox Lake, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2013, 13 years ago. Works from 4 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
13
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL, IN
In the registry since
2013
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

256 E Grand Ave
Fox Lake, IL 60020-1684
Phone: (847) 370-6712
Show map & directions

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

Additional practice locations (3)

  • 815 E Irving Park Rd, Streamwood, IL 60107-3073 — (877) 749-7428
  • 2200 Randallia Dr, Fort Wayne, IN 46805-4638 — (260) 373-4538
  • 7901 Broadway, Elmhurst, NY 11373-1329 — (718) 334-4000

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 036150646 (IL)
Physical Medicine & Rehabilitation Physician Taxonomy 208100000X · Licence 01078547 (IN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1851737779
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2013
Last updated in NPPESAugust 23, 2024
Certification dateAugust 23, 2024

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of tissue 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,066
Services billed 5,535 a service is one billed item, such as a visit, a test or a procedure
Average patient age80

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.