Summary

Dr. Stephen Ang is a gastroenterology specialist who has dedicated 35 years to treating digestive health conditions. He earned his medical degree from the David Geffen School of Medicine at UCLA and completed his residency training at the University of Chicago Medicine. Dr. Ang communicates with patients in English.

Dr. Ang practices in Centralia, Illinois, providing care at both his private office and SSM Health Saint Mary's Hospital Centralia. He specializes in treating common digestive issues like hemorrhoids, colon polyps, and GERD. His expertise includes performing colonoscopies and coordinating pathology testing to help diagnose conditions. Patients have given Dr. Ang an average rating of 4.0 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4
  • 35 years of experience
  • 33 insurance plans accepted
  • speaks English
  • University Of Chicago Medicine
  • 2 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 2 office locations
  • Male

Office Locations

Dr. Stephen Tee Ang has 2 locations

Ang Stephen T Office

1054 M L King Dr Ste 120Centralia, IL 62801
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Ssm Health Saint Marys Hospital Centralia

400 N Pleasant AveCentralia, IL 62801

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Dr. Stephen Tee Ang, MDJi Soo Choi, APRNJan Seiler, APRNDr. Jitendra Kantilal Trivedi, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
35 Years of Experience 55 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English
Centralia , ILSACRAMENTO , CAMontgomery , ALMount Vernon , IL
Med School: David Geffen School Of Medicine At Ucla Med School: New York University Med School: Georgia State University Med School: Kings College London School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Stephen Tee Ang

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • Ambetter
  • Assurant Health
  • Blue Cross Blue Shield of Illinois
  • CHAMPVA - HMO
  • Cigna
  • Cigna - PPO
  • Dean Health Plan
  • Dean Health Plan - PPO
  • ESSENCE Healthcare
  • Health Alliance
  • Healthlink
  • Healthlink - PPO
  • Home State Health Plan - Medicaid (Managed)
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meridian Health Plan
  • Meridian Health Plan - Medicaid (Managed)
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Priority Health
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • Wellcare

Medical Specialties

Dr. Stephen Tee Ang has the following specialty

Specialty Expertise

Dr. Stephen Tee Ang has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

35 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Residency

University Of Chicago Medicine

Medical School

David Geffen School Of Medicine At UclaGraduated in 1991

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Frequently Asked Questions

How can I make an appointment with Dr. Stephen Ang?
You can find contact information for Dr. Stephen Ang here on Vitals.
Is Dr. Stephen Ang accepting new patients?
Dr. Stephen Ang is accepting new patients on Vitals. View Dr. Stephen Ang's profile on Vitals to make an appointment.
Does Dr. Stephen Ang accept virtual/telehealth appointments?
Dr. Stephen Ang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Stephen Ang speak?
Dr. Stephen Ang speaks English.
Does Dr. Stephen Ang accept my insurance?
You can see the insurance plans that Dr. Stephen Ang accepts on their Vitals profile.

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