Caitlin Maree Defazio Williams, NP-C
NPI 1437622909ActiveIndividual· Nurse Practitioner, Family· Thaxton, MS
Nurse Practitioner, Family (NP-C) with North Mississippi Medical Center, Inc., practicing in Thaxton, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $5,143,301 for 4,691 claims, against $28,636 paid for services in 2024. Viiv Healthcare Company was the largest of 11 companies reporting payments in 2025, $2,081 in all, mostly food and beverage. Lists Baptist Memorial Hospital Booneville and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1437622909 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Jan 8, 2019 |
| Last updated in NPPES | Apr 15, 2020 |
| Certified by provider | Apr 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 903099 | 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 - Nurse Practitioner (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 226 |
|---|---|
| Services billed | 472 across 11 procedure codes |
| Paid by Medicare | $28,636 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,691 · 5,488 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $5,143,301 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- North Mississippi Medical Center, Inc.Tupelo, MS · 366 clinicians
Hospital affiliations
- Baptist Memorial Hospital BoonevilleBooneville, MS
- Clay County Medical CorporationWest Point, MS
- North Mississippi Medical CenterTupelo, MS
- North Mississippi Medical Center-Gilmore AmoryAmory, MS
- Tishomingo Health Services IncIuka, MS
Other facilities
- Centerwell Home HealthHome health agency · Tupelo, MS
- North Mississippi Medical Ctr HhaHome health agency · Tupelo, MS
Industry payments (Open Payments)
- 2025$2,081 · 107 payments from 11 companies
- 2024$2,105 · 115 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $405.46 | 23 |
| Abbvie Inc. | $351.96 | 19 |
| Paratek Pharmaceuticals, Inc. | $339.41 | 16 |
| Gilead Sciences, Inc. | $310.30 | 19 |
| Merck Sharp & Dohme LLC | $232.87 | 10 |
What the 2025 payments were for
- Food and Beverage$2,063 · 106 payments
- Education$17.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Thaxton
- 1619531662
- 1760035695
- 1265159123