Dr. Mahmoud M. El Sayed
- Gender: Male
- Experience: 22 years
- Graduation year: 1999
- Sole propriator: No
- NPI: 1982618856
Dr. Mahmoud M. El Sayed M.D.
Internist
He is located at 1409 Thomas Mason Place in Ballwin, MO 63011. Can help patients with the following: Atherosclerosis, Bladder Control, Cholecystitis, Cystitis, Obesity, Urethritis. His National Provider Identifier (NPI) number is 1982618856. Appointment can be made via the phone number (314) 717-1717. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Mahmoud Mohamad Ali El-Sayed, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mahmoud M. El Sayed.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Mahmoud M. El Sayed
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mahmoud M. El Sayed as in-network for the following 2026 plans.
Health plans
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Simple | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Mahmoud M. El Sayed is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Mahmoud M. El Sayed is enrolled to bill Medicare as a Practitioner - Critical Care (intensivists) .
Bills through: Southeast Missouri Hospital Physicians Llc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Valeant Pharmaceuticals North America | $73 |
Other
| Food and Beverage | $74 |
Studies
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Questions & Answers
Has Dr. Mahmoud Mohamad Ali El-Sayed affiliation with hospitals?
Dr. Mahmoud Mohamad Ali El-Sayed is affiliated with HSHS ST ELIZABETH'S HOSPITAL.
Does Dr. Mahmoud Mohamad Ali El-Sayed have affiliation with practices?
Dr. Mahmoud Mohamad Ali El-Sayed is affiliated with Vituity / CEP America Illinois Intensivists.
What conditions does Dr. Mahmoud Mohamad Ali El-Sayed treat?
Dr. Mahmoud Mohamad Ali El-Sayed provides treatment for Atherosclerosis, Bladder Control, Cholecystitis, Cystitis, Obesity, Urethritis. For the full list see this list.
Does Dr. Mahmoud Mohamad Ali El-Sayed accept patients with Oscar Insurance Company?
Yes, Dr. Mahmoud Mohamad Ali El-Sayed is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Mahmoud Mohamad Ali El-Sayed?
Dr. Mahmoud Mohamad Ali El-Sayed's office is located at 1409 Thomas Mason Place in Ballwin, MO 63011.