Joseph Ahn, MD Gastroenterology

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Gastroenterology Portland, OR

About Dr. Joseph Ahn MD

Dr. Joseph Ahn, MD is a doctor primarily located in Waukegan, IL, with other offices in Waukegan, IL and Lewiston, ME( and 2 other locations). He has 20 years of experience. His specialties include Gastroenterology, Hepatology, Internal Medicine.

Dr. Ahn has received 5 awards.

Castle Connolly Regional Top DoctorsPatients' Choice AwardCompassionate Doctor RecognitionPatients' Choice 5th Anniversary AwardOn-Time Doctor Award


Dr. Joseph Ahn has 4 locations

Get Directions OHSU Digestive Health Center 3303 SW Bond Ave Fl 6 Portland, OR 97239
Get Directions Vista Medical Center East 1324 N Sheridan Rd Waukegan, IL 60085
Get Directions Dr. Joseph Ahn 300 Main St Lewiston, ME 04240
Get Directions Ohsu Digestive Health Center 3303 S BOND AVE PORTLAND, OR 97239


Dr. Joseph Ahn has the following 3 SPECIALTIES

A gastroenterologist is a specialist in diagnosis and treatment of conditions involving the digestive/gastrointestinal (GI) tract. These doctors are experts on how food moves through the digestive system and is chemically broken down, with nutrients being absorbed and waste excreted. You might see this kind of doctor if you are experiencing any number of stomach issues, some of which might be severe diarrhea, irritable bowel syndrome, hemorrhoids, ulcers, acid reflux, Crohn's disease and more.
Internal Medicine

Specialty Expertise

Dr. Joseph Ahn has the following 8 expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis
  • Viral Human Hepatitis


5 Awards

  • Castle Connolly Regional Top Doctors (1)

    Castle Connolly is America's trusted source for the identification of Top Doctors. Their physician-led research team reviews and screens the credentials of tens of thousands of physicians who are nominated by their peers annually, via a nationwide online process, before selecting those physicians who are regionally or nationally among the very best in their medical specialties. Castle Connolly believes strongly that Top Doctors Make a Difference.

  • Patients' Choice Award (2008, 2009, 2010, 2011, 2012, 2014, 2018)

    Patients' Choice recognition reflects the difference a particular physician has made in the lives of his/her patients. The honor is bestowed to physicians who have received near perfect scores, as voted by patients.

  • Compassionate Doctor Recognition (2011, 2012, 2018)

    Compassionate Doctor certification is granted to physicians who treat their patients with the utmost kindness. The honor is granted based on a physician's overall and bedside manner scores.

  • Patients' Choice 5th Anniversary Award (2012)

    The Patients' Choice Award - 5 Year Honoree is a recognition granted only to those doctors whose ratings have reflected excellence in care for five years in a row. Only 1% of all doctors in the United States are bestowed this honor by their patients.

  • On-Time Doctor Award (2014, 2016, 2018)

    Vitals On-Time + Promptness Award recognizes doctors with consistent high ratings for timeliness of appointments. The honor is granted based on a physician's overall and promptness scores.


20 Years Experience

Northwestern University Feinberg School Of Medicine

Graduated in 2000

University Of Chicago Medicine


Dr. Joseph Ahn Accepts the Following Insurance

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More about Dr. Joseph Ahn

Dr. Ahn graduated from the Northwestern University Feinberg School of Medicine in 2000. He works in Waukegan, IL and 3 other locations and specializes in Gastroenterology, Hepatology and Internal Medicine. Dr. Ahn is affiliated with Vista Medical Center East and Oregon Health Science University Hospital.

Uploaded September 19, 2020


Take a minute to learn about Dr. Joseph Ahn, MD - Gastroenterology in Waukegan, IL, in this video.

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