Quick answers
- Which hospitals does Ayman Nasir work at?
- Medicare's official clinician data lists Ayman Nasir at 4 hospitals: AMITA Health Resurrection Medical Center, Mercy Medical Center - Cedar Rapids, Northshore University Healthsystem - Evanston Hospital and Presence Saints Mary and Elizabeth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ayman Nasir see patients?
- Medicare's clinician data lists 11 practice locations, including Mason City, IA, Evanston, IL and Rockford, IL. Call before your visit to confirm the address.
- What is Ayman Nasir's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ayman Nasir accept Medicare assignment?
- Yes. Medicare's clinician data says Ayman Nasir 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 Ayman Nasir?
- (641) 428-6615, as listed in official Medicare / NPI Registry data.
- What is Ayman Nasir's NPI number?
- 1629503362. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ayman Nasir works
Medicare's Facility Affiliation Data lists Ayman Nasir at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · CCN 140117
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA · Acute Care Hospital · CCN 160079
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · CCN 140010
- Presence Saints Mary and Elizabeth Medical CenterChicago, IL · Acute Care Hospital · CCN 140180
Practice locations
Addresses where Ayman Nasir is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1000 4th St SWMason City, IA 50401 (641) 428‑6615
- 1300 Oak AveEvanston, IL 60201 (847) 869‑1300
- 1401 E State StRockford, IL 61104 (779) 696‑4400
- 1625 S State StBelvidere, IL 61008 (815) 547‑5441
- 2100 Pfingsten RdGlenview, IL 60026
Group practices
Medicare enrollment lists Ayman Nasir as a member of these groups (CMS data updated 2026-10-02).
- Endeavor Health Medical Group3,350 clinicians in the group
- Prime Healthcare Illinois Medical Group LLC322 clinicians in the group
- Cogent Healthcare of Iowa PC61 clinicians in the group
- Rockford Hospitalist Group LLC41 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mason City
Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629503362 |
| 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