Wissam Khattar Mechleb, MD
NPI 1487841847ActiveIndividual· Internal Medicine, Cardiovascular Disease· Hattiesburg, MS
Internal Medicine, Cardiovascular Disease (MD) with Hattiesburg Clinic PA and 4 other groups, practicing in Hattiesburg, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $961,287 for 5,828 claims, against $621,267 paid for services in 2024. Boston Scientific Corporation was the largest of 5 companies reporting payments in 2025, $93.60 in all, mostly food and beverage. Lists Forrest General Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487841847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 1, 2007 |
| Last updated in NPPES | Jul 21, 2020 |
| Certified by provider | Jul 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 21893 | MS |
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 - Cardiovascular Disease (Cardiology) (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,676 |
|---|---|
| Services billed | 6,002 across 61 procedure codes |
| Paid by Medicare | $621,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,828 · 10,421 30-day fills |
|---|---|
| Patients | 721 |
| Total drug cost | $961,287 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Forrest County General HospitalHattiesburg, MS · 107 clinicians
- Fgh Physician BillingHattiesburg, MS · 27 clinicians
- Magee Benevolent AssociationMagee, MS · 18 clinicians
- Walthall General HospitalTylertown, MS · 8 clinicians
Hospital affiliations
- Forrest General HospitalHattiesburg, MS
- Highland Community HospitalPicayune, MS
- Magee General HospitalMagee, MS
Industry payments (Open Payments)
- 2025$93.60 · 5 payments from 5 companies
- 2024$76.96 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $25.00 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $22.24 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16.11 | 1 |
| Stryker Corporation | $16.09 | 1 |
| Novartis Pharmaceuticals Corporation | $14.16 | 1 |
What the 2025 payments were for
- Food and Beverage$93.60 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Hattiesburg
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All Internal Medicine, Cardiovascular Disease providers in Mississippi →