Summary

Dr. Gene Chiao specializes in gastroenterology and internal medicine, bringing 39 years of experience to his practice. He earned his medical degree from Washington University in St. Louis School of Medicine and completed his residency at McGaw Medical Center. Dr. Chiao is fluent in both English and Spanish.

Dr. Chiao is affiliated with Highland Park Hospital, Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital, and Advocate Condell Medical Center, with practice locations in Northbrook, Lake Forest, and Libertyville, Illinois. He focuses on treating inflammatory bowel conditions such as ulcerative colitis and Crohn's disease. His expertise includes infusion therapy and intravenous chemotherapy treatments. Patients rate Dr. Chiao 4.1 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 39 years of experience
  • speaks English, Spanish
  • Mcgaw Medical Center
  • 6 written reviews
  • 2 specialties
  • 13 areas of expertise
  • 3 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Gene Zinnan Chiao has 3 locations

Comprehensive Gastrointestinal Health

40 Skokie Blvd Ste 110Northbrook, IL 60062
Mon7:00 am - 6:30 pm
Tue7:00 am - 6:30 pm
Wed7:00 am - 6:30 pm
Thu7:00 am - 6:30 pm
Fri7:00 am - 5:30 pm
SatClosed
SunClosed

Northwestern Medicine Lake Forest Hospital

1000 N Westmoreland RdLake Forest, IL 60045

Advocate Condell Medical Center

801 S Milwaukee AveLibertyville, IL 60048

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Dr. Gene Zinnan Chiao, MDDr. Amit Kalra, MDDr. Jennifer Spanier-Stiasny, DODr. Lawrence Gluskin, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.5 
4.5 
3.4 
39 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English
Northbrook , ILHighland Park , ILHighland Park , ILChicago , IL
Med School: Washington University In St Louis School Of Medicine Med School: University of Illinois Med School: Kansas City University of Medicine and Biosciences Med School: University of Illinois College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Gene Zinnan Chiao

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

Medical Specialties

Dr. Gene Zinnan Chiao has the following 2 specialties

Specialty Expertise

Dr. Gene Zinnan Chiao has the following 13 areas of expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Check-up
  • Constipation
  • Heartburn
  • Hepatitis C
  • Immunization
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Neurology
  • Physical
  • Ulcerative Colitis
  • Vaccination
  • Weight Loss

Certifications, License, & Education

39 Years Experience

Dr. Gene Zinnan Chiao 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 Mcgaw Medical Center.

Medical School

Graduated from Washington University In St Louis School Of Medicine in 1987.

NPI Number

Dr. Chiao's NPI number is 1699733188.

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Frequently Asked Questions

Which hospitals is Dr. Gene Chiao affiliated with?
Dr. Gene Chiao is affiliated with Highland Park Hospital, Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital, and Advocate Condell Medical Center.
Does Dr. Gene Chiao accept my insurance?
You can see the insurance plans that Dr. Gene Chiao accepts on their Vitals profile.
Does Dr. Gene Chiao accept virtual/telehealth appointments?
Dr. Gene Chiao has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Gene Chiao?
You can find contact information for Dr. Gene Chiao here on Vitals.
Where is Dr. Gene Chiao's office located?
Dr. Gene Chiao's office is located at 40 Skokie Blvd Ste 110, Northbrook, IL, 60062.

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