Doctor profile · Federal record
Dr. Stephen Larson, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Bridgeton, MO
- NPI 1386755775
- Accepts Medicare
- 38 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12303 de Paul Dr
Bridgeton, MO 630442512
(314) 344-6000 - Mailing address
-
Po Box 4853
Oak Brook, IL 605224853
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 23, 2026
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- South Carolina #36000 · Missouri #2003010856
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386755775. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
245
Distinct HCPCS
4
Medicare allowed
$36,012
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 140 | 133 | $168 | |
99284 |
Emergency department visit with moderate level of medical decision making | 76 | 76 | $115 | |
99283 |
Emergency department visit with low level of medical decision making | 16 | 16 | $68 | |
99291 |
Critical care, first 30-74 minutes | 13 | 12 | $203 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 59. This provider delivers 4.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
70
Patients
67
Total drug cost
$417
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 26 | $109 |
| Cephalexin | Generic | 18 | 18 | $105 |
| Methylprednisolone | Generic | 13 | 12 | $109 |
| Ondansetron Odt (Ondansetron) | Brand | 12 | 11 | $94 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Larson's medical specialty?
Dr. Stephen Larson practices Emergency Medicine Physician in Bridgeton, MO.
Where does Dr. Stephen Larson practice?
Dr. Stephen Larson practices at 12303 de Paul Dr, Bridgeton, MO 630442512. Office phone: 3143446000.
What is Dr. Stephen Larson's NPI?
Dr. Stephen Larson's National Provider Identifier (NPI) is 1386755775, issued by NPPES.
Does Dr. Stephen Larson accept Medicare assignment?
Yes. Dr. Stephen Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Larson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.