Caraline Putnam Walker, RN
NPI 1992319321ActiveIndividual· Nurse Practitioner· Flowood, MS
Nurse Practitioner (RN) with Psp Medical Clinic LLC, practicing in Flowood, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $407,801 for 4,005 claims, against $13,288 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) reported $38.75 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1992319321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | Yes |
| NPI issued | Sep 2, 2020 |
| Last updated in NPPES | May 5, 2023 |
| Certified by provider | May 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 905240 | MS |
| Nurse Practitioner, Family | 363LF0000X | 905420 | MS |
| Nurse Practitioner, Family | 363LF0000X | 905240 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 75 |
|---|---|
| Services billed | 354 across 28 procedure codes |
| Paid by Medicare | $13,288 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,005 · 7,222 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $407,801 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Psp Medical Clinic LLCCanton, MS · 11 clinicians
Industry payments (Open Payments)
- 2025$38.75 · 2 payments from 1 company
- 2024$60.98 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $38.75 | 2 |
What the 2025 payments were for
- Food and Beverage$38.75 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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