Summary

Practicing medicine since 1982

Quick Facts

  • 4.2
  • 44 years of experience
  • speaks English
  • University Of Michigan Health System
  • 1 written review
  • 2 specialties
  • 19 areas of expertise
  • 4 hospital affiliations
  • 5 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. David John Knysak has 5 locations

Oak Brook Allergists Sc

6800 Main St Ste 110Downers Grove, IL 60516
Mon10:00 am - 7:00 pm
Tue10:00 am - 7:00 pm
Wed10:00 am - 7:00 pm
Thu10:00 am - 7:00 pm
Fri10:00 am - 7:00 pm
Sat9:00 am - 12:00 pm
SunClosed

Oak Brook Allergists Sc

360 W Butterfield Rd Ste 140Elmhurst, IL 60126
Mon10:00 am - 7:00 pm
Tue10:00 am - 7:00 pm
WedClosed
Thu10:00 am - 7:00 pm
Fri10:00 am - 1:00 pm
Sat9:00 am - 12:00 pm
SunClosed

Oak Brook Allergists Sc

1220 Hobson Rd Ste 114Naperville, IL 60540
Mon10:00 am - 6:00 pm
Tue10:00 am - 6:00 pm
Wed10:00 am - 6:00 pm
ThuClosed
Fri10:00 am - 5:00 pm
Sat9:00 am - 12:00 pm
SunClosed

Advocate Good Samaritan Hospital

3815 Highland AveDowners Grove, IL 60515

Oak Brook Allergist Sc

24600 W 127th St Ste 110Plainfield, IL 60585
MonClosed
Tue10:00 am - 6:00 pm
Wed2:00 pm - 6:00 pm
Thu10:00 am - 6:00 pm
Fri10:00 am - 5:00 pm
Sat9:00 am - 12:00 pm
SunClosed

Compare with Similar Doctors

Dr. David John Knysak, MD
Charles Arthur Kallick
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David Allen Stamler
Dr. David John Knysak, MDCharles Arthur KallickGabriela Crystal LobatoDavid Allen Stamler
Allergy & ImmunologyInfectious DiseasePediatricsInfectious Disease
4.2 
44 Years of Experience 72 Years of Experience 8 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Downers Grove , ILLEMONT , ILCHICAGO , ILGlenview , IL
Med School: Northwestern University Feinberg School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine Med School: University Of Illinois At Chicago College Of Medicine Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. David John Knysak

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. David John Knysak has the following 2 specialties

Specialty Expertise

Dr. David John Knysak has the following 19 areas of expertise

  • Allergies
  • Allergy
  • Anaphylaxis
  • Asthma
  • Atopic Dermatitis
  • Desensitization
  • Drug Allergy
  • Eczema
  • Food Allergies
  • Food Allergy (Hypersensitivity)
  • Hay Fever
  • Immunotherapy
  • Internal Medicine
  • Itching
  • Latex Allergy (Latex Hypersensitivity)
  • Nasal Allergy (Rhinitis)
  • Rash
  • Sinusitis
  • Watery Eyes

Certifications, License, & Education

44 Years Experience

Dr. David John Knysak holds an expired medical license in the state of Illinois.

Medical License

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

Education & Training

Residency

Completed their residency at University Of Michigan Health System.

Medical School

Graduated from Northwestern University Feinberg School Of Medicine in 1982.

NPI Number

Dr. Knysak's NPI number is 1609876101.

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Frequently Asked Questions

Does Dr. David Knysak accept virtual/telehealth appointments?
Dr. David Knysak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. David Knysak accept my insurance?
You can see the insurance plans that Dr. David Knysak accepts on their Vitals profile.
Where is Dr. David Knysak's office located?
Dr. David Knysak's office is located at 6800 Main St Ste 110, Downers Grove, IL, 60516.
What languages does Dr. David Knysak speak?
Dr. David Knysak speaks English.
Is Dr. David Knysak accepting new patients?
Dr. David Knysak has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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