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).
Learn more about Dr. John Demask:
View the full profile to get information on:
- What's important to you
View full profile
The overall average patient rating of Dr. John Demask is Excellent.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Prepare before visiting Dr. Demask
Home Allergies Patient Education Learn all about home allergies and symptoms of mold, pet, dust and other types of indoor allergy issues with Vitals patient education guide.Before Visiting Dr. Demask Learn More
Specialties & Research
Dr. John Demask, DO is board certified in Family Medicine.
- He has special expertise in 1 area:
Education & Awards
Dr. Demask graduated from Midwestern University, Downers Grove. He has 3 awards.
Dr. Demask has 1 hospital affiliations:
- Morris Hospital
Similar doctors nearby
- Additional Information
- Dr. John Demask DO is a male Family Practitioner, has 19 years of experience and practices in Family Medicine.
- Where does Dr. John Demask practice?
- Dr. John Demask has 1 office location.
Dr. John Demask practices Family Medicine near Minooka, IL.
See Minooka Primary Care Doctors.