Quick answers
- Which hospitals does Raya Saba work at?
- Medicare's official clinician data lists Raya Saba at 3 hospitals: Mercy Hospital South, Mercy Hospital St Louis and St Lukes Hospital of Kansas City. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Raya Saba see patients?
- Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
- What is Raya Saba's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine and Medical Oncology.
- Does Raya Saba accept Medicare assignment?
- Yes. Medicare's clinician data says Raya Saba 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.
- What is the phone number for Raya Saba?
- (314) 849-6066, as listed in official Medicare / NPI Registry data.
- What is Raya Saba's NPI number?
- 1902154743. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Raya Saba works
Medicare's Facility Affiliation Data lists Raya Saba at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- St Lukes Hospital of Kansas CityKansas City, MO · Acute Care Hospital · CCN 260138
Practice locations
Addresses where Raya Saba is enrolled with Medicare (CMS data updated 2026-10-02).
- 10050 Kennerly Rd, Suite 2400Saint Louis, MO 63128 (314) 849‑6066
Group practices
Medicare enrollment lists Raya Saba as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Oncology LLC33 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
- Medical Oncologyalso
Other hematologist-oncologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902154743 |
| 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