Quick answers
- Which hospitals does Boulos S. Nassar work at?
- Medicare's official clinician data lists Boulos S. Nassar at 1 hospital: University of Iowa Hospital & Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Boulos S. Nassar see patients?
- Medicare's clinician data lists 2 practice locations, including Iowa City, IA. Call before your visit to confirm the address.
- What is Boulos S. Nassar's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
- Does Boulos S. Nassar accept Medicare assignment?
- Yes. Medicare's clinician data says Boulos S. Nassar 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 Boulos S. Nassar's NPI number?
- 1043420730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Boulos S. Nassar works
Medicare's Facility Affiliation Data lists Boulos S. Nassar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Iowa Hospital & ClinicsIowa City, IA · Acute Care Hospital · CCN 160058
Practice locations
Addresses where Boulos S. Nassar is enrolled with Medicare (CMS data updated 2026-10-02).
Specialties
Other pulmonologists in Iowa City
Clinicians with the same Medicare primary specialty in Iowa City, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043420730 |
| 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