Walid Gergi Younis, MD
NPI 1619018983ActiveIndividual· Internal Medicine, Pulmonary Disease· Hattiesburg, MS
Internal Medicine, Pulmonary Disease (MD) with Hattiesburg Clinic PA, practicing in Hattiesburg, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $2,395,100 for 3,659 claims, against $479,225 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 27 companies reporting payments in 2025, $2,855 in all, mostly food and beverage. Lists Covington County Hospital Cah and 1 other hospital as hospital affiliations.
Overview
| NPI | 1619018983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 9, 2007 |
| Last updated in NPPES | Jul 22, 2020 |
| Certified by provider | Jul 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 19660 | 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 - Pulmonary Disease (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,293 |
|---|---|
| Services billed | 9,390 across 73 procedure codes |
| Paid by Medicare | $479,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,659 · 4,946 30-day fills |
|---|---|
| Patients | 710 |
| Total drug cost | $2,395,100 |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
Hospital affiliations
- Covington County Hospital CahCollins, MS
- Forrest General HospitalHattiesburg, MS
Industry payments (Open Payments)
- 2025$2,855 · 163 payments from 27 companies
- 2024$4,130 · 150 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $523.41 | 36 |
| Glaxosmithkline, LLC. | $345.61 | 27 |
| Viatris Specialty LLC | $297.47 | 18 |
| Grifols USA, LLC | $254.98 | 11 |
| Jazz Pharmaceuticals Inc. | $191.26 | 6 |
What the 2025 payments were for
- Food and Beverage$2,765 · 162 payments
- Education$89.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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