DR. DENNIS TIAN-SHU CHANG MD
NPI 1083651202
Hospitalist in Saint Louis, MO
About Dr. Dennis Tian-shu Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DENNIS TIAN-SHU CHANG MD (NPI 1083651202) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2018010174) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Dennis Tian-shu Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dennis Chang's NPI number?
The NPI number for Dennis Chang is 1083651202. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is Dennis Chang located?
Dennis Chang practices at 1 Barnes Jewish Hospital Plz Div Im Hospitalist, Saint Louis, MO 63110. The listed phone number is (314) 362-1700.
What is Dennis Chang's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Dennis Chang enrolled in Medicare?
Yes. Dennis Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Dennis Chang accept?
Health plans from Cox HealthPlans list Dennis Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Dennis Chang affiliated with any hospitals?
According to CMS data, Dennis Chang is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Dennis Chang was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Dennis Tian-Shu Chang, MD · NPI 1083651202
Hospitalist physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1083651202 (Entity type: Individual)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2018010174 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST, Saint Louis, MO 63110-1003
- **Phone:** (314) 362-1700 · **Fax:** (314) 362-9878
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** April 15, 2025
- **Other identifiers:** Medicaid 200060377 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1083651202) · Data from the CMS NPPES public registry.