Doctor profile · Federal record
Dr. Stephanie Simpson, D.O.
Hospitalist Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · O'Fallon, IL
- NPI 1598183378
- Accepts Medicare
- MIPS 83.3 / 100 · 2023
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3 St. Elizabeth's Blvd, Ste 4000
O'Fallon, IL 62269
(618) 233-5480
fax (618) 222-4792 - Additional location
-
1402 S Grand Blvd # M260
Saint Louis, MO 631041004
(314) 577-8750 - Mailing address
-
3 St. Elizabeth's Blvd Ste 4000
O Fallon, IL 622691284
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- June 15, 2021
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Illinois #036157114
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598183378. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,254
Distinct HCPCS
5
Medicare allowed
$147,257
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 829 | 288 | $120 | |
99239 |
Hospital discharge day management, more than 30 minutes | 260 | 250 | $115 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 64 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 56 | 54 | $174 | |
99497 |
Advance care planning, first 30 minutes | 13 | 11 | $75 |
In context: peer comparison
Among 1 peers in O'Fallon Hospitalist Physician, average services per provider: 250. This provider delivers 5.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
324
Patients
281
Total drug cost
$3,493
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 37 | 36 | $184 |
| Atorvastatin Calcium | Generic | 36 | 28 | $340 |
| Cefdinir | Generic | 36 | 35 | $464 |
| Amiodarone Hcl | Generic | 21 | 18 | $832 |
| Carvedilol | Generic | 20 | 16 | $151 |
| Metoprolol Tartrate | Generic | 20 | 18 | $104 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 19 | 17 | $146 |
| Metoprolol Succinate | Generic | 18 | 16 | $143 |
| Pantoprazole Sodium | Generic | 18 | 12 | $268 |
| Hydralazine Hcl | Generic | 17 | 11 | $220 |
Frequently asked questions
What is Dr. Stephanie Simpson's medical specialty?
Dr. Stephanie Simpson practices Hospitalist Physician in O'Fallon, IL.
Where does Dr. Stephanie Simpson practice?
Dr. Stephanie Simpson practices at 3 St. Elizabeth's Blvd, O'Fallon, IL 62269. Office phone: 6182335480.
What is Dr. Stephanie Simpson's NPI?
Dr. Stephanie Simpson's National Provider Identifier (NPI) is 1598183378, issued by NPPES.
Does Dr. Stephanie Simpson accept Medicare assignment?
Yes. Dr. Stephanie Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Simpson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.