Haitam Mohamad Buaisha, MD
NPI 1558770743ActiveIndividual· Internal Medicine, Gastroenterology· Fort Wayne, IN
Internal Medicine, Gastroenterology (MD) with Parkview Health System Inc, practicing in Fort Wayne, Indiana. Their prescriptions cost Medicare Part D more than their services did: $207,643 for 71 claims, against $17,885 paid for services in 2024. Olympus Corporation of the Americas was the largest of 6 companies reporting payments in 2025, $1,706 in all, mostly travel and lodging. Lists Parkview Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1558770743 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 13, 2014 |
| Last updated in NPPES | Sep 2, 2025 |
| Certified by provider | Sep 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 01096804A | IN |
| Internal Medicine | 207R00000X | 7174 | NE |
| Internal Medicine, Gastroenterology | 207RG0100X | 32530 | NE |
| Internal Medicine, Gastroenterology | 207RG0100X | 33345 | WV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IN); Practitioner - Gastroenterology (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 114 |
|---|---|
| Services billed | 212 across 29 procedure codes |
| Paid by Medicare | $17,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 71 · 131 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $207,643 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Parkview Health System IncFort Wayne, IN · 1,377 clinicians
Hospital affiliations
- Parkview Regional Medical CenterFort Wayne, IN
- Parkview Wabash Hospital, IncWabash, IN
Industry payments (Open Payments)
- 2025$1,706 · 21 payments from 6 companies
- 2024$3,186 · 33 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $1,204 | 7 |
| Boston Scientific Corporation | $196.57 | 2 |
| Abbvie Inc. | $147.84 | 7 |
| Olympus America Inc. | $108.80 | 1 |
| Cook Medical LLC | $32.56 | 3 |
What the 2025 payments were for
- Travel and Lodging$1,151 · 4 payments
- Food and Beverage$554.85 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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