Doctor profile · Federal record
Dr. Matthew Chapman, MD
Psychiatry Physician (CMS: Psychiatry) · Saint Louis, MO
- NPI 1821583949
- MIPS 79.3 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Dept Psychiatry
Saint Louis, MO 631101003
(314) 286-1700
fax (314) 970-9094 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- April 15, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Missouri #2020003379
- Medicaid
- MO #200061866
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821583949. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
226
Distinct HCPCS
4
Medicare allowed
$18,779
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 173 | 34 | $77 | |
90870 |
Therapy using electrical currents | 27 | 11 | $103 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $127 | |
99238 |
Hospital discharge day management, 30 minutes or less | 13 | 13 | $79 |
In context: peer comparison
Among 55 peers in this city , average services per provider: 119. This provider delivers 1.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Matthew Chapman's medical specialty?
Dr. Matthew Chapman practices Psychiatry Physician in Saint Louis, MO.
Where does Dr. Matthew Chapman practice?
Dr. Matthew Chapman practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3142861700.
What is Dr. Matthew Chapman's NPI?
Dr. Matthew Chapman's National Provider Identifier (NPI) is 1821583949, issued by NPPES.
Does Dr. Matthew Chapman accept Medicare assignment?
Dr. Matthew Chapman does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Matthew Chapman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Therapy using electrical currents (HCPCS 90870); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.