Summary

Dr. John Demask is a family medicine physician who earned his Doctor of Osteopathy degree from Midwestern University-Chicago College of Osteopathic Medicine. With 33 years of experience in practice, he brings extensive knowledge to caring for patients of all ages. He speaks English and focuses on comprehensive family healthcare.

Dr. Demask practices at Demask Family Medical in Minooka, Illinois, and maintains hospital privileges at Morris Hospital. His expertise includes treating joint pain, back pain during pregnancy, and back pain in children and teenagers. He offers physical therapy, strength training, and manual therapy to help patients recover and maintain their health. Patients rate Dr. Demask 4.7 out of 5 stars for his care.

AI-generated from data on this provider profile.

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 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

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

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Dr. John Alan Demask, DODr. Naaz F Aziz, MDNicole Baldwin, APRN, FNP-BCRoberto Valledor, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.6 
3.7 
33 Years of Experience 18 Years of Experience 8 Years of Experience 19 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Hindi, Urdu Speaks English Speaks Spanish, English
Minooka , ILDES PLAINES , ILOrlando , FLMission , TX
Med School: Midwestern University-Chicago College Of Osteopathic Medicine Med School: Ross University School of Medicine, Dominica, West Indies
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

MEDICAL LICENSE

Doctor Of Osteopathy, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

Midwestern University-Chicago College Of Osteopathic MedicineGraduated in 1993

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Frequently Asked Questions

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

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