William David McClendon Jr., MD
NPI 1790735652ActiveIndividual· General Practice· Pascagoula, MS
General Practice (MD) in Pascagoula, Mississippi, trained at University of Mississippi School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $2,364,855 for 16,785 claims, against $411,043 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 23 companies reporting payments in 2025, $1,882 in all, mostly food and beverage.
Overview
| NPI | 1790735652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 11, 2006 |
| Last updated in NPPES | Jun 12, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 18910 | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 831 |
|---|---|
| Services billed | 7,554 across 67 procedure codes |
| Paid by Medicare | $411,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,785 · 37,050 30-day fills |
|---|---|
| Patients | 1,171 |
| Total drug cost | $2,364,855 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- McClendon Medical Clinic PLLCOcean Springs, MS · 5 clinicians
Hospital affiliations
- Singing River GulfportGulfport, MS
- Singing River Health SystemPascagoula, MS
Other facilities
- Adoration Home HealthHome health agency · Biloxi, MS
- Deaconess Homecare- Region IHome health agency · Laurel, MS
- Saad Home Health and Hospice of MsHome health agency · Diberville, MS
- Vitalcaring GroupHome health agency · Gulfport, MS
- Traditions HealthHospice · Ocean Springs, MS
- Vitalcaring GroupHospice · Wiggins, MS
Industry payments (Open Payments)
- 2025$1,882 · 103 payments from 23 companies
- 2024$2,155 · 128 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $220.41 | 9 |
| Novo Nordisk Inc | $158.62 | 11 |
| Astrazeneca Pharmaceuticals LP | $153.42 | 9 |
| Amgen Inc. | $148.03 | 10 |
| Sumitomo Pharma America, Inc. | $145.63 | 8 |
What the 2025 payments were for
- Food and Beverage$1,882 · 103 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records