Brian J. Muska, M.D.

  • Gastroenterology Training, Loyola University, Maywood, Illinois 1991-1993
  • Internal Medicine Training, Loyola University, Maywood, Illinois 1988-1991
  • Medical School Degree, UHS/Chicago Medical School 1984-1988
  • Board Certified in Internal Medicine 1991, recertified 2001
  • Board Certified in Gastroenterology 1993, recertified 2003
  • Top Doctor, Chicago Metro Area, Chicago Magazine, 2001
  • Chairman Department of Gastroenterology, St. Alexius Medical Center, Hoffman Estates
  • Member at Large, Medical Executive Committee, St. Alexius Medical Center
  • Chairman, Credentials Committee, Alexian Brothers Medical Center, Elk Grove Village
  • Co-coordinator of the Northwest Suburban Gut Club. Gastroenterology specialist forum to advance care through continuing education and sharing of ideas.
  • Member of the American College of Gastroenterology
  • Areas of interest: colonoscopy and polypectomy, IBS, IBD, and liver disease
  • Hobbies: Golf, Wine Sommelier

Bradley D. Shapiro, M.D.

  • Gastroenterology Training, The Cleveland Clinic Foundation, Cleveland, Ohio 1994-1997 (Chief Fellow)
  • Internal Medicine Training, Rush-Presbyterian-St. Luke’s Medical Center, Chicago, Illinois, 1991-1993 Northwestern Memorial Hospital, Chicago, Illinois 1990-1991
  • Medical School Degree, University of Michigan Medical School Ann Arbor, Michigan 1990
  • Board Certified in Internal Medicine 1993
  • Board Certified in Gastroenterology 1997, recertified 2007
  • America’s top Physicians Consumers Research Council of America 2007, 2008
  • Member of the America College of Gastroenterology
  • Member of the Pharmacy & Therapeutics Committee St. Alexius Hospital
  • Areas of interest: Colon Cancer Screening, GERD, Liver Disease, Ulcerative Colitis & Crohn’s Disease
  • Hobbies: Tennis, Scuba Diving

Asad Aziz, D.O.

  • Advanced Gastroenterology Associates July 2005 – Present
  • Gastroenterology Fellowship Training Program, Loyola University Medical Center, Maywood, Illinois 2002-2005
  • Internal Medicine Residency Training Program, Loyola University Medical Center, Maywood, Illinois 1999-2002
  • Illinois Doctor of Osteopathy, Chicago College of Osteopathic Medicine, Downers Grove, June 1999
  • Bachelor of Science –Psychology, University of Illinois Urbana-Champaign, Illinois, May 1995
  • Current Hospital Appointments: St Alexius Medical Center and Alexian Brothers Medical Center
  • Board Certified: American Board of Internal Medicine – Diplomat in Gastroenterology
  • Member of the American College of Gastroenterology
  • Member of the American Gastroenterological Association
  • Areas of Interest: Colon Cancer Screening, Irritable bowel syndrome (IBS), Barrett’s esophagus, Gastroesophageal reflux disease (GERD), Liver Disease, Ulcerative Colitis & Crohn’s Disease
  • Hobbies: Sports, Weightlifting and Hiking

Richard S. Song, M.D.

  • Gastroenterology Training, University of Cincinnati College of Medicine, Cincinnati, Ohio 2006-2009
  • Internal Medicine Training, McGaw Medical Center of Northwestern University, Northwestern Memorial Hospital / VA Chicago Chicago, Illinois 2003-2006
    Internal Medicine Residency 2006
    Internal Medicine Internship 2004
  • Medical School Degree, University of Illinois at Chicago College of Medicine, Chicago, Illinois
    Doctor of Medicine May 2003
  • Bachelor of Arts with Honors- Biological Sciences, Northwestern University Weinberg College of Arts and Sciences, Evanston, Illinois, June 1998
  • Advanced Gastroenterology Associates August 2009 – Present
  • Board Certified in Internal Medicine 2006
  • Board Certified in Gastroenterology 2009
  • American Gastroenterological Association, Member
  • American Society for Gastroenterological Endoscopy, Member

Naser Khan, MD

  • Advanced Gastroenterology Associates: July 2012- present
  • Joesph E Geenen and Marc F. Catalano Fellow in Advanced Therapeutic Endoscopy at GI associates LLC, St. Lukes Medical Center Milwaukee WI (EUS and ERCP): 2011-2012
  • Gastroenterology Fellow, Advocate Lutheran General Hospital 2008-2011
  • ICU Hospitalist, Prevea Health Green Bay WI: 2007-2008
  • Internal Medicine Internship and Residency, Advocate Lutheran General Hospital: 2004-2007
  • Research Intern/Assistant University of Chicago, Section of Gastroenterology: 2003-2004
  • Medical Training: Deccan College of Medical Sciences, Hyderabad India 1997-2002
  • Member, American Gastroenterological Association
  • Member, American Society for Gastrointestinal Endoscopy
  • Member, Amercian College of Gastroenterology
  • Board Certified in Internal Medicine and Gastroenterology
  • Hospital Appointments: St. Alexius Medical Center, Alexian Brothers Medical Center
  • Special Interests: General Gastroenterology, Advanced Therapeutic Pancreatico-Biliary Endoscopy and Endoscopic Ultrasound.

Mark Dubin, M.D.

  • Internship: University of Illinois Hospital, 1987
  • Residency: Internal Medicine University of Illinois Hospital, 1989
  • Fellowship: Scripps Clinic & Research Foundation; Gastroenterology; 1990-1992
  • Medical Degree: M.D. Northwestern University Medical School, 1986
  • Bachelor’s Degree: Stanford University, 1982
  • Affiliations:
    • St. Alexius Medical Center, Hoffman Estates, Illinois
    • Alexian Brothers Medical Center , Elk Grove Village, Illinois
    • Hoffman Estates Surgical Center, Hoffman Estates, Illinois
  • Board Certifications: Internal Medicine, Gastroenterology
  • Special Clinical Interests: Inflammatory Bowel Disease, Celiac disease
  • Licensure:
    • Illinois State License
    • State Controlled Substance
  • Professional Memberships:
    • American Gastroenterological Association
    • Crohn’s and Colitis Foundation of America
  • Hometown:
    Highland Park, IL
  • Hobbies: Tennis, Bike Riding, Reading

Kimberly Eder-Kearns, APN

  • Masters of Science-Advanced Practice Nursing, Northern Illinois University, DeKalb Illinois, August 2007
  • Bachelor of Science- Nursing, Northern Illinois University, DeKalb, Illinois, May 1999
  • Board Certified Adult Nurse Practitioner, December 2007
  • Advanced Gastroenterology Associates, October 2009-Present
  • American Gastroenterological Association, Member
  • Illinois Society of Advanced Practice Nurses, Member
  • Areas of Interest: Barrett’s Esophagus, GERD, IBS, and Liver Disease
  • Professional Goals: Health Promotion, Disease Prevention & Health Education and Counseling
  • Hobbies: Snow Skiing

Shawna L. Sullivan, APN

  • Master of Science in Nursing – University of Illinois, Chicago 2007
  • Bachelors of Science in Nursing – University of Wisconsin, Eau Claire 1999
  • Board Certified Acute Care Nurse Practitioner, 2007
  • American Gastroenterological Association , member
  • Illinois Society of Advanced Practice Nurses, member
  • Areas of Interest: General gastroenterology, Liver disease, Gastroesophageal reflux disorder (GERD) and Inflammatory bowel disorders (IBD)
  • Hobbies: Reading, music, cycling and snow skiing.

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