of
SA

Stephen Ang, MD

Dr. Ang is a gastroenterologist in the Centralia area. He is affiliated with SSM Health St Mary's Hospital-Centralia and Salem Township Hospital.
Get directions
Opens Google Maps in another tab

Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
384 doctors
Top 15%
383 doctors
Top 5%
191 doctors
Dr. Ang saw more digestive tract conditions patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
249 doctors
Top 15%
248 doctors
Top 5%
124 doctors
Dr. Ang saw more acid reflux patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
60 doctors
Top 15%
60 doctors
Top 5%
29 doctors
Dr. Ang saw more irritable bowel syndrome (IBS) patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
43 doctors
Top 15%
44 doctors
Top 5%
21 doctors
Dr. Ang saw more diverticulosis patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
64 doctors
Top 15%
64 doctors
Top 5%
31 doctors
Dr. Ang saw more benign polyps patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
36 doctors
Top 15%
35 doctors
Top 5%
17 doctors
Dr. Ang saw more colon polyps patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
160 doctors
Top 15%
160 doctors
Top 5%
80 doctors
Dr. Ang saw more constipation patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
54 doctors
Top 15%
54 doctors
Top 5%
26 doctors
Dr. Ang saw more hemorrhoid patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
448 doctors
Top 15%
447 doctors
Top 5%
223 doctors
Dr. Ang saw more pain patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
221 doctors
Top 15%
220 doctors
Top 5%
110 doctors
Dr. Ang saw more peripheral vascular disease (PVD) patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
395 doctors
Top 15%
394 doctors
Top 5%
197 doctors
Dr. Ang saw more vascular disease patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
20 doctors
Top 15%
20 doctors
Top 5%
9 doctors
Dr. Ang saw more indigestion patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
149 doctors
Top 15%
148 doctors
Top 5%
74 doctors
Dr. Ang saw more diarrhea patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
110 doctors
Top 15%
109 doctors
Top 5%
54 doctors
Dr. Ang saw more hernia patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
29 doctors
Top 15%
29 doctors
Top 5%
14 doctors
Dr. Ang saw more hiatal hernia patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
264 doctors
Top 15%
264 doctors
Top 5%
132 doctors
Dr. Ang saw more anemia patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
5 doctors
Top 15%
4 doctors
Top 5%
2 doctors
Dr. Ang saw more delayed gastric emptying (gastroparesis) patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
145 doctors
Top 15%
146 doctors
Top 5%
72 doctors
Dr. Ang saw more inflammatory bowel disease (IBD) patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
150 doctors
Top 15%
150 doctors
Top 5%
75 doctors
Dr. Ang saw more gastroenteritis patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
48 doctors
Top 15%
47 doctors
Top 5%
23 doctors
Dr. Ang saw more ulcerative colitis (UC) patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
6 doctors
Top 15%
7 doctors
Top 5%
3 doctors
Dr. Ang saw more H. pylori patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
47 doctors
Top 15%
47 doctors
Top 5%
23 doctors
Dr. Ang saw more diverticulitis patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.
Top 25%
54 doctors
Top 15%
54 doctors
Top 5%
26 doctors
Dr. Ang saw more bowel obstruction patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
58 doctors
Top 15%
58 doctors
Top 5%
28 doctors
Dr. Ang saw more gastritis patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
27 doctors
Top 15%
26 doctors
Top 5%
13 doctors
Dr. Ang saw more Crohn's disease patients than 95% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
82 doctors
Top 15%
82 doctors
Top 5%
40 doctors
Dr. Ang saw abscess patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
8 doctors
Top 15%
8 doctors
Top 5%
3 doctors
Dr. Ang saw esophageal cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.

Related services provided

Top 25%
15 doctors
Top 15%
14 doctors
Top 5%
7 doctors
Dr. Ang saw more stomach ulcer patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
39 doctors
Top 15%
39 doctors
Top 5%
19 doctors
Dr. Ang saw more colon cancer patients than 85% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Top 25%
4 doctors
Top 15%
4 doctors
Top 5%
1 doctor
Dr. Ang saw more celiac disease patients than 75% of similar doctors in the Greater St. Louis area in 2014–2018. Learn more.

Related services provided

Locations

Dr. Ang sees patients and can be reached at the following location.

Centralia Oncology Clinic
1054 M L King Dr
Centralia, IL 62801
716 miles away

Reviews

Credentials
  • University of California, Los Angeles David Geffen School of Medicine
    MEDICAL EDUCATION, 1991
  • University of Chicago Program
    RESIDENCY

Hospital affiliations

Dr. Ang is able to admit and treat patients at the following hospitals.

  • SSM Health St Mary's Hospital-Centralia
    A
    Hospital safety grade (Fall 2018)
  • Salem Township Hospital
    Hospital safety grade not available

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • CareFirst BlueCross BlueShield
  • Cigna
  • CommunityCare
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Health Alliance
  • Health Alliance Plan of Michigan
  • Health Net
  • HealthPartners
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Indiana University Health Plan
  • MVP Health Care
  • MedCost
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • MultiPlan
  • Pomco
  • PreferredOne
  • Premera Blue Cross
  • Priority Health
  • Regence Blue Cross Blue Shield
  • TRICARE
  • United Healthcare
  • Viva Health
  • WPS Health Insurance
  • Wellmark Blue Cross and Blue Shield