Doctor profile · Federal record
Dr. MIREILLE EL HAYEK, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: ENDOCRINOLOGY) · Endocrinology, Diabetes & Metabolism Physician · SAINT LOUIS, MO
- NPI 1912139940
- Accepts Medicare
- 19 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2315 DOUGHERTY FERRY ROAD, SUITE 109B
SAINT LOUIS, MO 631223383
(314) 965-9133
fax (314) 984-2793
Credentials & registration
- NPI registered
- August 2009 — 17 yrs on file
- Profile last updated
- October 23, 2023
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Illinois #036142174 · Missouri #2015023837
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912139940. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
327
Distinct HCPCS
6
Medicare allowed
$26,364
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 99 | 62 | $126 | |
83036 |
Hemoglobin a1c level | 85 | 49 | $10 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 51 | $89 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 37 | 17 | $34 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $164 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $110 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 421. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$333
Transactions
18
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 6 | $107.85 | |
| Alexion Pharmaceuticals, Inc. | 2 | $49.55 | |
| Insulet Corporation | 1 | $37.13 | |
| Nevro Corp. | 2 | $32.09 | |
| Kyowa Kirin, Inc. | 1 | $27.00 | |
| Dexcom, Inc. | 1 | $19.17 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $18.53 | |
| Lilly USA, LLC | 1 | $15.96 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $14.98 | |
| BETA BIONICS, INC. | 2 | $10.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
985
Patients
252
Total drug cost
$466,102
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 174 | 48 | $2,273 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 106 | 23 | $100,478 |
| Metformin Hcl | Generic | 99 | 26 | $804 |
| Jardiance (Empagliflozin) | Brand | 83 | 14 | $64,969 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 81 | 24 | $1,113 |
| Ozempic (Semaglutide) | Brand | 76 | 25 | $117,060 |
| Trulicity (Dulaglutide) | Brand | 50 | 14 | $59,793 |
| Rosuvastatin Calcium | Generic | 48 | 16 | $611 |
| Glimepiride | Generic | 44 | 13 | $630 |
| Januvia (Sitagliptin Phosphate) | Brand | 43 | 11 | $38,902 |