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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. John Heyer is Excellent. Dr. Heyer has been reviewed by 10 patients who have provided 3 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

  • He has special expertise in 2 areas:
  • Diabetes
  • Osteopathic Manipulation

Education & Awards

Dr. Heyer graduated from Midwestern University, Downers Grove. He has 1 awards.

Compassionate Doctor Recognition (2014)


Dr. Heyer has 14 hospital affiliations:

  • Community Hospital 
  • St. Catherine Hospital 


  • English

> > > > Dr. John Heyer, DO, MD

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Additional Information
Dr. John C Heyer DO and MD is a male Family Practitioner, has 34 years of experience and practices in Family Medicine.
Where does Dr. John C. Heyer practice?
Dr. John Heyer has 6 office locations.
Dr. John Heyer practices Family Medicine near Lowell, IN.
Additional practice locations include: Chicago Heights, IL and Hammond, IN.
See Lowell Family Physicians.