Doctor profile · Federal record
Dr. Leo Sullivan., M.D.
Emergency Medicine Physician · Belleville, IL
- NPI 1851431670
- 19 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4500 Memorial Dr
Belleville, IL 622265360
(618) 257-5879
fax (618) 257-6740 - Mailing address
-
902 Monterey Dr
O Fallon, IL 622692833
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- January 6, 2016
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Illinois #036068595
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851431670. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
493
Distinct HCPCS
4
Medicare allowed
$81,425
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 326 | 314 | $181 | |
99284 |
Emergency department visit with moderate level of medical decision making | 124 | 122 | $125 | |
99291 |
Critical care, first 30-74 minutes | 26 | 26 | $217 | |
99283 |
Emergency department visit with low level of medical decision making | 17 | 16 | $75 |
In context: peer comparison
Among 9 peers in Belleville Emergency Medicine Physician, average services per provider: 79. This provider delivers 6.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
84
Patients
80
Total drug cost
$466
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 34 | 34 | $135 |
| Azithromycin | Generic | 19 | 18 | $115 |
| Cephalexin | Generic | 18 | 17 | $156 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 13 | 11 | $61 |
Frequently asked questions
What is Dr. Leo Sullivan.'s medical specialty?
Dr. Leo Sullivan. practices Emergency Medicine Physician in Belleville, IL.
Where does Dr. Leo Sullivan. practice?
Dr. Leo Sullivan. practices at 4500 Memorial Dr, Belleville, IL 622265360. Office phone: 6182575879.
What is Dr. Leo Sullivan.'s NPI?
Dr. Leo Sullivan.'s National Provider Identifier (NPI) is 1851431670, issued by NPPES.
What procedures does Dr. Leo Sullivan. 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.