Doctor profile · Federal record
Dr. Michael Vanantwerp, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · O Fallon, IL
- NPI 1790349033
- Accepts Medicare
- MIPS 77.3 / 100 · 2023
- 7 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
320 E Highway 50
O Fallon, IL 622692704
(888) 577-6337 - Additional location
-
6071 W Outer Dr
Detroit, MI 482352624
(313) 966-3329
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- June 15, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Illinois #036.158946 · Michigan #4301506138
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790349033. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
326
Distinct HCPCS
4
Medicare allowed
$50,977
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 163 | 160 | $178 | |
99284 |
Emergency department visit with moderate level of medical decision making | 96 | 92 | $122 | |
99291 |
Critical care, first 30-74 minutes | 38 | 37 | $211 | |
99283 |
Emergency department visit with low level of medical decision making | 29 | 28 | $74 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 46. This provider delivers 7.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
25
Patients
25
Total drug cost
$237
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 13 | 13 | $59 |
| Clindamycin Hcl | Generic | 12 | 12 | $179 |
Frequently asked questions
What is Dr. Michael Vanantwerp's medical specialty?
Dr. Michael Vanantwerp practices Emergency Medicine Physician in O Fallon, IL.
Where does Dr. Michael Vanantwerp practice?
Dr. Michael Vanantwerp practices at 320 E Highway 50, O Fallon, IL 622692704. Office phone: 8885776337.
What is Dr. Michael Vanantwerp's NPI?
Dr. Michael Vanantwerp's National Provider Identifier (NPI) is 1790349033, issued by NPPES.
Does Dr. Michael Vanantwerp accept Medicare assignment?
Yes. Dr. Michael Vanantwerp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Vanantwerp 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.