Johann Hasbun, M.D.
NPI 1164885398ActiveIndividual· Internal Medicine, Gastroenterology· Malvern, PA
Internal Medicine, Gastroenterology (M.D.) in Malvern, Pennsylvania, trained at Rutgers New Jersey Medical School (class of 2016). In 2024 Medicare paid $111,426 for 362 patients, and Part D covered 424 of their prescriptions, 67% of them generic. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $2,727 in all, mostly food and beverage.
Overview
| NPI | 1164885398 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2016 |
| Last updated in NPPES | May 28, 2026 |
| Certified by provider | May 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD480820 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 362 |
|---|---|
| Services billed | 3,484 across 34 procedure codes |
| Paid by Medicare | $111,426 |
Part D prescriptions in 2024
| Prescriptions (claims) | 424 · 887 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $86,412 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
Medical group
- Regional Gastroenterology Associates of Lancaster, Ltd.Lancaster, PA · 244 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- St Mary Medical CenterLanghorne, PA
Industry payments (Open Payments)
- 2025$2,727 · 110 payments from 21 companies
- 2024$1,942 · 94 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $597.43 | 32 |
| Madrigal Pharmaceuticals | $298.88 | 7 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $276.97 | 14 |
| Ardelyx, Inc. | $246.80 | 6 |
| Janssen Biotech, Inc. | $235.18 | 7 |
What the 2025 payments were for
- Food and Beverage$2,727 · 110 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Malvern
- 1528925401
- 1467429365
- 1609188879
- 1457327439
- 1275869752
- 1851367783
- 1902196801
- 1891314621
- 1629638614
- 1568670198
- 1124094073
- 1740991389
All Internal Medicine, Gastroenterology providers in Pennsylvania →