Katherine O'Neal Royals, M.D.
NPI 1013357334ActiveIndividual· Family Medicine· Hattiesburg, MS
Family Medicine (M.D.) in Hattiesburg, Mississippi, trained at University of Mississippi School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $820,076 for 7,644 claims, against $124,252 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,218 in all, mostly food and beverage.
Overview
| NPI | 1013357334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2013 |
| Last updated in NPPES | Jun 3, 2021 |
| Certified by provider | Jun 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 24377 | 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 - Family Practice (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 244 |
|---|---|
| Services billed | 3,024 across 48 procedure codes |
| Paid by Medicare | $124,252 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,644 · 18,201 30-day fills |
|---|---|
| Patients | 416 |
| Total drug cost | $820,076 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Family Practice |
Medical group
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
Hospital affiliation
- Forrest General HospitalHattiesburg, MS
Other facilities
- Forrest General Home CareHome health agency · Hattiesburg, MS
Industry payments (Open Payments)
- 2025$1,218 · 65 payments from 18 companies
- 2024$1,165 · 75 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $308.32 | 18 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $120.13 | 6 |
| Novo Nordisk Inc | $116.73 | 6 |
| Amgen Inc. | $92.16 | 6 |
| Astrazeneca Pharmaceuticals LP | $92.05 | 5 |
What the 2025 payments were for
- Food and Beverage$1,218 · 65 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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