Quick answers
- Which hospitals does Marwan K. Mouammar work at?
- Medicare's official clinician data lists Marwan K. Mouammar at 4 hospitals: Adventist Health Portland, Adventist Health Tillamook, Mid-Columbia Medical Center and OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marwan K. Mouammar see patients?
- Medicare's clinician data lists 1 practice location in Portland, OR. Call before your visit to confirm the address.
- What is Marwan K. Mouammar's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
- Does Marwan K. Mouammar accept Medicare assignment?
- Yes. Medicare's clinician data says Marwan K. Mouammar 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 Marwan K. Mouammar offer telehealth?
- Medicare's clinician data says Marwan K. Mouammar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Marwan K. Mouammar's NPI number?
- 1891780201. 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 K. Mouammar works
Medicare's Facility Affiliation Data lists Marwan K. Mouammar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health PortlandPortland, OR · Acute Care Hospital · CCN 380060
- Adventist Health TillamookTillamook, OR · Critical Access Hospital · CCN 381317
- Mid-Columbia Medical CenterThe Dalles, OR · Acute Care Hospital · CCN 380001
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
Practice locations
Addresses where Marwan K. Mouammar is enrolled with Medicare (CMS data updated 2026-10-02).
- 10201 SE Main StPortland, OR 97216
Group practices
Medicare enrollment lists Marwan K. Mouammar as a member of this group (CMS data updated 2026-10-02).
- Portland Adventist Medical Center271 clinicians in the group
Specialties
Other pulmonologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891780201 |
| 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