Summary

Dr. John Demask specializes in family medicine, providing comprehensive care for patients of all ages. He earned his medical degree from Midwestern University-Chicago College of Osteopathic Medicine and has been practicing for over three decades. Dr. Demask speaks English and brings extensive experience to his patient care.

Dr. Demask is affiliated with Morris Hospital and practices at Demask Family Medical in Minooka, Illinois. He focuses on managing complex conditions such as diabetes and wound care, including treatment for skin ulcers. His diagnostic capabilities include performing blood work and chest imaging to help identify and monitor various health concerns. Patients have given him an average rating of 4.7 stars for his compassionate and thorough approach to family medicine.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 33 years of experience
  • speaks English
  • Midwestern University-Chicago College Of Osteopathic Medicine
  • 6 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Demask Family Medical

201 S Wabena AveMinooka, IL 60447
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
ThuClosed
Fri8:00 am - 5:00 pm
Sat8:00 am - 12:00 pm
SunClosed

Compare with Similar Doctors

Dr. John Alan Demask, DO
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Dr. John Alan Demask, DOBrandi Rhoads, MSN, FNP-C, PMHNP-BCNicole Baldwin, APRN, FNP-BCKatarzyna Szerlag, MSN-FNP, APRN-FPA
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.2 
33 Years of Experience 8 Years of Experience 17 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English, Polish
Minooka , ILTerre Haute , INOrlando , FLArlington Heights , IL
Med School: Midwestern University-Chicago College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Alan Demask

  • Accepts Medicare

Medical Specialties

Dr. John Alan Demask has the following specialty

Specialty Expertise

Dr. John Alan Demask has the following 7 areas of expertise

  • Check-up
  • Contraception
  • Diabetes
  • Family Planning
  • Immunization
  • Influenza
  • Weight Loss

Certifications, License, & Education

33 Years Experience

Dr. John Alan Demask holds an expired medical license in the state of Illinois.

Medical License

Doctor Of Osteopathy with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Medical School

Graduated from Midwestern University-Chicago College Of Osteopathic Medicine in 1993.

NPI Number

Dr. Demask's NPI number is 1174501134.

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Frequently Asked Questions

Where is Dr. John Demask's office located?
Dr. John Demask's office is located at 201 S Wabena Ave, Minooka, IL, 60447.
Which hospitals is Dr. John Demask affiliated with?
Dr. John Demask is affiliated with Morris Hospital.
How can I make an appointment with Dr. John Demask?
You can find contact information for Dr. John Demask here on Vitals.
Does Dr. John Demask accept my insurance?
You can see the insurance plans that Dr. John Demask accepts on their Vitals profile.
Is Dr. John Demask accepting new patients?
Dr. John Demask is accepting new patients on Vitals. View Dr. John Demask's profile on Vitals to make an appointment.

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