Quick answers
- Which hospitals does Marwan Mounayar work at?
- Medicare's official clinician data lists Marwan Mounayar at 4 hospitals: Indiana University Health, Indiana University Health Ball Memorial Hospital, Indiana University Health Jay, Inc. and Marion General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marwan Mounayar see patients?
- Medicare's clinician data lists 2 practice locations, including Indianapolis, IN and Muncie, IN. Call before your visit to confirm the address.
- What is Marwan Mounayar's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Marwan Mounayar accept Medicare assignment?
- Yes. Medicare's clinician data says Marwan Mounayar 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 Marwan Mounayar?
- (317) 962-2000, as listed in official Medicare / NPI Registry data.
- What is Marwan Mounayar's NPI number?
- 1689012676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marwan Mounayar works
Medicare's Facility Affiliation Data lists Marwan Mounayar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
- Indiana University Health Ball Memorial HospitalMuncie, IN · Acute Care Hospital · CCN 150089
- Indiana University Health Jay, Inc.Portland, IN · Critical Access Hospital · CCN 151320
- Marion General HospitalMarion, IN · Acute Care Hospital · CCN 150011
Practice locations
Addresses where Marwan Mounayar is enrolled with Medicare (CMS data updated 2026-10-02).
- 1701 N Senate AveIndianapolis, IN 46202 (317) 962‑2000
- 2401 W University AveMuncie, IN 47303 (765) 747‑3111
Group practices
Medicare enrollment lists Marwan Mounayar as a member of these groups (CMS data updated 2026-10-02).
- IU Health Medical Group LLC4,462 clinicians in the group
- Indiana University Health Ball Memorial Physicians Inc232 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689012676 |
| 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