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License & Identifications

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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Douglas Lee is Good. Dr. Lee has been reviewed by 12 patients who have provided 3 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 3.4
Courteous Staff 3.2
Accurate Diagnosis 4.1
Bedside Manner 4.6
Spends Time with Me 3.4
Follows Up After Visit 3.4

Specialties & Research

Dr. Douglas Lee, MD is board certified in Gastroenterology.

  • He has special expertise in 20 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Cancer
  • Colitis
  • Colon Cancer
  • Colon Tumor (Adenomatous Polyps)
  • Colonoscopy
  • Colorectal Cancer
  • Constipation
  • Diarrhea
  • Gallstones
  • Gastritis
  • Hemorrhoids
  • Hepatitis
  • Hepatitis C
  • Hiatal Hernia
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Lactose Intolerance
  • Ulcerative Colitis
  • Viral Human Hepatitis

Education & Awards

Dr. Lee graduated from Northwestern University, Chicago.


Dr. Lee has 7 hospital affiliations:

  • Provena St Joseph Medical Center 
  • Little Company Of Mary Hospital 


  • Chinese
  • Cantonese
  • English

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Additional Information
Dr. Douglas Lee MD is a male Internist, has 20 years of experience and practices in Gastroenterology.
Where does Dr. Douglas Lee practice?
Dr. Douglas Lee has 4 office locations.
Dr. Douglas Lee practices Gastroenterology near Oak Lawn, IL.
Additional practice locations include: New Lenox, IL and Joliet, IL.
See Oak Lawn Gastroenterologists.