Crystal Klewein, NP
NPI 1578160230ActiveIndividual· Nurse Practitioner· Loma Linda, CA
Nurse Practitioner (NP) with Faculty Physicians and Surgeons of Llusm, practicing in Loma Linda, California. Their prescriptions cost Medicare Part D more than their services did: $456,753 for 1,917 claims, against $54,715 paid for services in 2024. Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $309.87 in all, mostly food and beverage. Lists Loma Linda University Medical Center as a hospital affiliation.
Overview
| NPI | 1578160230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 6, 2020 |
| Last updated in NPPES | Nov 5, 2025 |
| Certified by provider | Nov 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95015891 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 378 |
|---|---|
| Services billed | 1,162 across 19 procedure codes |
| Paid by Medicare | $54,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,917 · 5,033 30-day fills |
|---|---|
| Patients | 354 |
| Total drug cost | $456,753 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
- 2025$309.87 · 10 payments from 3 companies
- 2024$349.65 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $131.73 | 3 |
| Medtronic, Inc. | $102.12 | 4 |
| Biotronik Inc. | $76.02 | 3 |
What the 2025 payments were for
- Food and Beverage$309.87 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 nurse practitioners in Loma Linda · All nurse practitioners in California