Quick answers
- Which hospitals does Omar Elsayed-Ali work at?
- Medicare's official clinician data lists Omar Elsayed-Ali at 4 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Christian Hospital Northeast and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Omar Elsayed-Ali see patients?
- Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
- What is Omar Elsayed-Ali's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine and Pediatric Medicine.
- Does Omar Elsayed-Ali accept Medicare assignment?
- Yes. Medicare's clinician data says Omar Elsayed-Ali accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Omar Elsayed-Ali offer telehealth?
- Medicare's clinician data says Omar Elsayed-Ali offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Omar Elsayed-Ali?
- (314) 273-1006, as listed in official Medicare / NPI Registry data.
- What is Omar Elsayed-Ali's NPI number?
- 1174064596. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Omar Elsayed-Ali works
Medicare's Facility Affiliation Data lists Omar Elsayed-Ali at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
Practice locations
Addresses where Omar Elsayed-Ali is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Childrens PlSaint Louis, MO 63110 (314) 273‑1006
Group practices
Medicare enrollment lists Omar Elsayed-Ali as a member of this group (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
- Pediatric Medicinealso
Other allergist and immunologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174064596 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians