Quick answers
- Does Caitlyn J. Al-Ostaz accept Medicare assignment?
- Yes. Medicare's clinician data says Caitlyn J. Al-Ostaz 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.
- How many Medicare patients does Caitlyn J. Al-Ostaz see?
- In 2024, CMS data shows 11 Original Medicare patients and 11 services for Caitlyn J. Al-Ostaz. This counts Original Medicare only and measures volume, not quality.
- What is Caitlyn J. Al-Ostaz's NPI number?
- 1457188740. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Caitlyn J. Al-Ostaz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 11 |
|---|---|
| Services billed to Medicare | 11 |
| Different services or procedures | 1 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)11 services
Hospitals where Caitlyn J. Al-Ostaz works
Medicare's Facility Affiliation Data lists Caitlyn J. Al-Ostaz 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.
- Genesis Health System dba Genesis MDL Center-IlliniSilvis, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140275
- Grinnell Regional Medical CenterGrinnell, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160147
- Southeast Iowa Regional Medical CenterWest Burlington, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160057
- University of Iowa Hospital & ClinicsIowa City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160058
- Van Buren County HospitalKeosauqua, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161337
Practice locations
Addresses where Caitlyn J. Al-Ostaz is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Hawkins DrIowa City, IA 52242 (319) 356‑1616
Group practices
Medicare enrollment lists Caitlyn J. Al-Ostaz as a member of this group (CMS data updated October 2, 2026).
- State University of Iowa1,897 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Iowa City
Clinicians with the same Medicare primary specialty in Iowa City, IA — not a recommendation.
Other clinicians in State University of Iowa
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2024 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457188740 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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