Doctor profile · Federal record
Dr. Dennis Chang, MD
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Saint Louis, MO
- NPI 1083651202
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- April 15, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Missouri #2018010174
- Medicaid
- MO #200060377
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083651202. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
95
Distinct HCPCS
2
Medicare allowed
$8,160
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 81 | 28 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $129 |
In context: peer comparison
Among 109 peers in Saint Louis Hospitalist Physician, average services per provider: 96. This provider delivers 1.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Dennis Chang's medical specialty?
Dr. Dennis Chang practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Dennis Chang practice?
Dr. Dennis Chang practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Dennis Chang's NPI?
Dr. Dennis Chang's National Provider Identifier (NPI) is 1083651202, issued by NPPES.
Does Dr. Dennis Chang accept Medicare assignment?
Yes. Dr. Dennis Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.