Dr. Dennis Tian-Shu Chang
Dr. Dennis T. Chang
Last updated: Apr 15, 2025

Dr. Dennis T. Chang

  • Gender: Male
  • Experience: 18 years
  • Graduated from: University Of Chicago, Pritzker School Of Medicine
  • Graduation year: 2003
  • Sole propriator: No
  • NPI: 1083651202

Dr. Dennis T. Chang MD

Hospitalist

He is located at 1 Barnes Jewish Hospital Plaza Div Im Hospitalist in Saint Louis, MO 63110. Can help patients with the following: Acute Pain, Atherosclerosis, Cholecystitis, High Blood Pressure, Influenza, Osteoporosis. His National Provider Identifier (NPI) number is 1083651202. Appointment can be made via the phone number (314) 362-1700. He is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Dennis Tian-Shu Chang, being an hospitalist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Dennis T. Chang.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Dennis T. Chang as in-network for the following 2026 plans.

Health plans

Cox HealthPlans

Network data as of Sep 11, 2026, as reported by the insurer.

Show all 7 plans from Cox HealthPlans
Cox HealthPlans plans
Plan Plan type Network tier New patients
Cox HealthPlans Bronze Expanded Standard EPO · Expanded Bronze EPO Accepting new patients
Cox HealthPlans Bronze Preferred EPO · Bronze EPO Accepting new patients
Cox HealthPlans Gold Preferred EPO · Gold EPO Accepting new patients
Cox HealthPlans Gold Standard EPO · Gold EPO Accepting new patients
Cox HealthPlans Silver Connect EPO · Silver EPO Accepting new patients
Cox HealthPlans Silver Preferred EPO · Silver EPO Accepting new patients
Cox HealthPlans Silver Standard EPO · Silver EPO Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Dennis T. Chang is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Dennis T. Chang is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Hospitalist) .

Bills through: Washington University

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Studies

UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE

Graduated in 2003

Additional Specialities

  • Internist

Affiliated practices

Mount Sinai Doctors Staten Island
129 Slosson Ave.
Staten Island, 10314 NY
(718) 720-5928

Affiliated hospitals

BARNES JEWISH HOSPITAL
ONE BARNES-JEWISH HOSPITAL PLAZA
SAINT LOUIS, 63110 MO
(314) 747-3000

Looking for more Hospitalists?

Out of the 188 hospitalists in this region, here are 10 randomly selected ones for you to explore.

Dr. Brandon Jamaal Blue
  • Gender: Male
  • Address: 12902 Usf Magnolia Drive Tampa, 33612, FL
Dr. Stefani Stevanija Tica
  • Gender: Female
  • Address: Div Ped Gastro, Hepatology And Nutrition 1 Childrens Place Saint Louis, 63110, MO
Dr. Lisa Ann Zickuhr
  • Gender: Female
  • Address: Div Im Rheumatology, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
Dr. Devin Christopher Odom
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Clayton Brock Cummings
  • Gender: Male
  • Address: Div Ped Hospitalist Med 1 Childrens Place Saint Louis, 63110, MO
Dr. Anthony Trung Dao
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Purvi R. Patel
  • Gender: Female
  • Address: Div Ped Hospitalist Med 1 Childrens Place Saint Louis, 63110, MO
Dr. Robert J. Mahoney
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Lakshman Darsi
  • Gender: Male
  • Address: Div Im Hospitalist 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
Dr. Geoffrey S. Cislo
  • Gender: Male
  • Address: Div Im General Med 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO

Questions & Answers

Does Dr. Dennis Tian-Shu Chang accept insurance?

Dr. Dennis Tian-Shu Chang is listed in-network for 7 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cox HealthPlans. See the Marketplace plans section for details.

Where can you meet with Dr. Dennis Tian-Shu Chang?

Dr. Dennis Tian-Shu Chang's office is located at 1 Barnes Jewish Hospital Plaza Div Im Hospitalist in Saint Louis, MO 63110.

Does Dr. Dennis Tian-Shu Chang have affiliation with practices?

Dr. Dennis Tian-Shu Chang is affiliated with Mount Sinai Doctors Staten Island.

Has Dr. Dennis Tian-Shu Chang affiliation with hospitals?

Dr. Dennis Tian-Shu Chang is affiliated with BARNES JEWISH HOSPITAL.

What conditions does Dr. Dennis Tian-Shu Chang treat?

Dr. Dennis Tian-Shu Chang provides treatment for Acute Pain, Atherosclerosis, Cholecystitis, High Blood Pressure, Influenza, Osteoporosis. For the full list see this list.