Doctor profile · Federal record
Dr. Gregory Siegel, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Lake St Louis, MO
- NPI 1740675594
- Accepts Medicare
- MIPS 83.7 / 100 · 2023
- 11 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Medical Plz
Lake St Louis, MO 633671366
(636) 625-5200
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- November 2, 2022
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Missouri #2022005665 · Pennsylvania #MD462234 · Illinois #036.148091
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740675594. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
580
Distinct HCPCS
4
Medicare allowed
$96,564
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 364 | 346 | $173 | |
99291 |
Critical care, first 30-74 minutes | 120 | 115 | $210 | |
99284 |
Emergency department visit with moderate level of medical decision making | 70 | 70 | $119 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 26 | 26 | $7 |
In context: peer comparison
Among 2 peers in Lake St Louis Emergency Medicine Physician, average services per provider: 152. This provider delivers 3.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
224
Patients
222
Total drug cost
$1,457
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 58 | 56 | $120 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 44 | 44 | $249 |
| Ondansetron Odt (Ondansetron) | Brand | 27 | 27 | $288 |
| Cephalexin | Generic | 19 | 19 | $162 |
| Doxycycline Monohydrate | Generic | 18 | 18 | $242 |
| Azithromycin | Generic | 16 | 16 | $65 |
| Ciprofloxacin Hcl | Generic | 16 | 16 | $86 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $157 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 13 | 13 | $87 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Siegel's medical specialty?
Dr. Gregory Siegel practices Emergency Medicine Physician in Lake St Louis, MO.
Where does Dr. Gregory Siegel practice?
Dr. Gregory Siegel practices at 100 Medical Plz, Lake St Louis, MO 633671366. Office phone: 6366255200.
What is Dr. Gregory Siegel's NPI?
Dr. Gregory Siegel's National Provider Identifier (NPI) is 1740675594, issued by NPPES.
Does Dr. Gregory Siegel accept Medicare assignment?
Yes. Dr. Gregory Siegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Siegel commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.