Thompson Worth Liddell, M.D.
NPI 1851703201ActiveIndividual· Internal Medicine, Infectious Disease· Hattiesburg, MS
Internal Medicine, Infectious Disease (M.D.) with Hattiesburg Clinic PA and 1 other group, practicing in Hattiesburg, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $903,136 for 1,898 claims, against $73,674 paid for services in 2024. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $324.32 in all, mostly food and beverage. Lists Forrest General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1851703201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 20, 2014 |
| Last updated in NPPES | Oct 30, 2026 |
| Certified by provider | Oct 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 24852 | 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 - Infectious Disease (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 278 |
|---|---|
| Services billed | 1,038 across 26 procedure codes |
| Paid by Medicare | $73,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,898 · 2,040 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $903,136 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Southeast Mississippi Rural Health Initiative, Inc.Picayune, MS · 40 clinicians
Hospital affiliations
- Forrest General HospitalHattiesburg, MS
- Jefferson Davis Community Hospital CahPrentiss, MS
- Pearl River County HospitalPoplarville, MS
- Perry County General HospitalRichton, MS
- Walthall County General Hospital CahTylertown, MS
Other facilities
- Forrest General Home CareHome health agency · Hattiesburg, MS
Industry payments (Open Payments)
- 2025$324.32 · 17 payments from 7 companies
- 2024$529.21 · 32 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $178.13 | 10 |
| Viiv Healthcare Company | $37.54 | 2 |
| Merck Sharp & Dohme LLC | $25.52 | 1 |
| Shionogi Inc | $25.48 | 1 |
| Paratek Pharmaceuticals, Inc. | $20.45 | 1 |
What the 2025 payments were for
- Food and Beverage$324.32 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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