Christa R. Lawhorn, RN MSN ANP
NPI 1083942734ActiveIndividual· Nurse Practitioner, Adult Health· San Diego, CA
Nurse Practitioner, Adult Health (RN MSN ANP) in San Diego, California, trained at Loma Linda University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $198,521 for 2,577 claims, against $10,539 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 20 companies reporting payments in 2025, $1,204 in all, mostly food and beverage.
Overview
| NPI | 1083942734 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN MSN ANP |
| Sole proprietor | Yes |
| NPI issued | Nov 18, 2009 |
| Last updated in NPPES | Jul 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | NP 19543 | CA |
| Nurse Practitioner, Adult Health | 363LA2200X | 11416 | OH |
| Registered Nurse | 163W00000X | RN259439-COAL | OH |
| Nurse Practitioner, Adult Health | 363LA2200X | 11416-NP | OH |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 193 across 17 procedure codes |
| Paid by Medicare | $10,539 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,577 · 4,155 30-day fills |
|---|---|
| Patients | 459 |
| Total drug cost | $198,521 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Manikanda Raja MD A Professional Medical CorporationHemet, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$1,204 · 56 payments from 20 companies
- 2024$657.68 · 31 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $215.66 | 6 |
| Lilly USA, LLC | $164.24 | 7 |
| Novo Nordisk Inc | $145.44 | 9 |
| Astrazeneca Pharmaceuticals LP | $139.71 | 11 |
| Abbvie Inc. | $89.71 | 3 |
What the 2025 payments were for
- Food and Beverage$1,204 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 114 adult health nurse practitioners in San Diego · All adult health nurse practitioners in California