Quick answers
- Does Deana Issawi accept Medicare assignment?
- Yes. Medicare's clinician data says Deana Issawi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Deana Issawi's NPI number?
- 1588395818. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Deana Issawi works
Medicare's Facility Affiliation Data lists Deana Issawi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
Practice locations
Addresses where Deana Issawi is enrolled with Medicare (CMS data updated October 2, 2026).
- 625 S New Ballas Rd, R 7040Saint Louis, MO 63141 (314) 251‑6970
- 901 Patients 1st Dr, Suite 2500Washington, MO 63090 (636) 239‑2711
Group practices
Medicare enrollment lists Deana Issawi as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Cardiovascular and Thoracic Surgery LLC22 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Mercy Clinic Cardiovascular and Thoracic Surgery LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588395818 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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