Doctor profile · Federal record
Dr. Mahmoud El-Sayed, M.D.
Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Ballwin, MO
- NPI 1982618856
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1409 Thomas Mason Pl
Ballwin, MO 630114423
(314) 717-1717
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 21, 2021
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Illinois #036.114709
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982618856. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
292
Distinct HCPCS
3
Medicare allowed
$56,900
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 227 | 117 | $217 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 46 | 42 | $120 | |
99292 |
Critical care, each additional 30 minutes | 19 | 14 | $109 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 97. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$67
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 1 | $33.87 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $32.89 |
By nature of payment
Frequently asked questions
What is Dr. Mahmoud El-Sayed's medical specialty?
Dr. Mahmoud El-Sayed practices Critical Care Medicine (Internal Medicine) Physician in Ballwin, MO.
Where does Dr. Mahmoud El-Sayed practice?
Dr. Mahmoud El-Sayed practices at 1409 Thomas Mason Pl, Ballwin, MO 630114423. Office phone: 3147171717.
What is Dr. Mahmoud El-Sayed's NPI?
Dr. Mahmoud El-Sayed's National Provider Identifier (NPI) is 1982618856, issued by NPPES.
Does Dr. Mahmoud El-Sayed accept Medicare assignment?
Yes. Dr. Mahmoud El-Sayed accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahmoud El-Sayed commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.