Karina Mariana Barajas Loza
NPI 1568272912ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Los Angeles, CA
Nurse Practitioner, Psych/Mental Health with Sham Singh MD Inc, practicing in Los Angeles, California. Enrolled in Medicare as practitioner - nurse practitioner. Janssen Pharmaceuticals, Inc was the largest of 8 companies reporting payments in 2025, $495.64 in all, mostly food and beverage.
Overview
| NPI | 1568272912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 8, 2025 |
| Last updated in NPPES | Nov 2, 2026 |
| Certified by provider | Nov 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 95032692 | CA |
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) |
|---|
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Sham Singh MD IncLos Angeles, CA · 10 clinicians
Industry payments (Open Payments)
- 2025$495.64 · 24 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $154.06 | 9 |
| Tris Pharma Inc | $71.64 | 2 |
| Lundbeck LLC | $62.58 | 3 |
| Abbvie Inc. | $59.09 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $57.37 | 3 |
What the 2025 payments were for
- Food and Beverage$495.64 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 411 psychiatric nurse practitioners in Los Angeles · All psychiatric nurse practitioners in California