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

Dr. John C Heyer, DO

Individual provider Family Medicine Physician · NPI 1750310363

Dr. John C Heyer, DO is a Family Practice in Willowbrook, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1977, 49 years ago. Practices with Midwest Express Care 2, Inc, a 219-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
49
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL, IN
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

40 75th St
Willowbrook, IL 60527-2325
Phone: (630) 581-5372
Show map & directions

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

Additional practice locations (1)

  • 4665 S State Road 5, South Whitley, IN 46787-9101 — (260) 248-9980

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036057121 (IL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 02002781A (IN)

Record details

NPI number1750310363
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 3, 2006
Last updated in NPPESAugust 5, 2021
Certification dateAugust 5, 2021
Mailing address40 75th St, Willowbrook, IL 60527-2325

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1977 (49 years in practice)
Group practice Midwest Express Care 2, Inc — 219 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Willowbrook