Frank Gerald Aguilar, M.D.
NPI 1659802270ActiveIndividual· Hospitalist· Chicago, IL
Hospitalist (M.D.) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. In 2024 Medicare paid $37,079 for 195 patients, and Part D covered 76 of their prescriptions, 80% of them generic. Lists Northwestern Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1659802270 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2017 |
| Last updated in NPPES | Jul 24, 2020 |
| Certified by provider | Jul 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036151972 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 491 across 12 procedure codes |
| Paid by Medicare | $37,079 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 89 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $7,401 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
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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All 454 hospitalists in Chicago · All hospitalists in Illinois