Aileen May Arguelles Del Castillo, MD
NPI 1205068749ActiveIndividual· Hospitalist· Riverton, UT
Hospitalist (MD) with Ihc Health Services Inc, practicing in Riverton, Utah. 111 Medicare patients in 2024, $20,278 paid; nearly all of their 162 Part D prescriptions were generic (92%). Lists Intermountain Health Riverton Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1205068749 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2009 |
| Last updated in NPPES | Apr 8, 2026 |
| Certified by provider | Apr 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 9740415-1205 | UT |
| Internal Medicine | 207R00000X | 9740415-1205 | UT |
| Internal Medicine | 207R00000X | 4301094111 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 111 |
|---|---|
| Services billed | 250 across 10 procedure codes |
| Paid by Medicare | $20,278 |
Part D prescriptions in 2024
| Prescriptions (claims) | 162 · 165 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $6,235 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Hospitalist |
Medical group
- Ihc Health Services IncMurray, UT · 3,960 clinicians
Hospital affiliations
- Intermountain Health Riverton HospitalRiverton, UT
- Intermountain Health Utah Valley HospitalProvo, UT
- Intermountain Medical CenterMurray, UT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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