Hassan Abu-Hashish, MD
NPI 1700462652ActiveIndividual· Internal Medicine· Chesterton, IN
Internal Medicine (MD) with Galen Inpatient Physicians PC and 1 other group, practicing in Chesterton, Indiana. In 2024 Medicare paid $18,751 for 140 patients, and Part D covered 92 of their prescriptions, 77% of them generic. Viatris Specialty LLC reported $21.64 in payments in 2025, mostly food and beverage. Lists Community Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1700462652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 22, 2021 |
| Last updated in NPPES | Sep 4, 2026 |
| Certified by provider | Sep 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01093491A | IN |
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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 156 across 7 procedure codes |
| Paid by Medicare | $18,751 |
Part D prescriptions in 2024
| Prescriptions (claims) | 92 · 211 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $18,682 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Hospitalist Physicians of Indiana PCLa Porte, IN · 150 clinicians
Hospital affiliations
- Community HospitalMunster, IN
- Northwest Health - PorterValparaiso, IN
- Northwest Health - StarkeKnox, IN
- Northwest Health-La PorteLa Porte, IN
Industry payments (Open Payments)
- 2025$21.64 · 1 payment from 1 company
- 2024$37.12 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $21.64 | 1 |
What the 2025 payments were for
- Food and Beverage$21.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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