Crystal J. Yarnall, NP
NPI 1962611129ActiveIndividual· Nurse Practitioner, Family· Klamath Falls, OR
Nurse Practitioner, Family (NP) with Cofas Inc, practicing in Klamath Falls, Oregon. Their prescriptions cost Medicare Part D more than their services did: $167,074 for 1,500 claims, against $29,738 paid for services in 2024. Lundbeck LLC was the largest of 2 companies reporting payments in 2025, $46.78 in all, mostly food and beverage. Lists Asante Rogue Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1962611129 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | May 22, 2007 |
| Last updated in NPPES | May 11, 2026 |
| Certified by provider | May 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 202100029NP-PP | OR |
| Registered Nurse | 163W00000X | 109002 | IA |
| Nurse Practitioner, Family | 363LF0000X | A156728 | IA |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 805 across 31 procedure codes |
| Paid by Medicare | $29,738 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,500 · 2,893 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $167,074 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Cofas IncKlamath Falls, OR · 6 clinicians
Hospital affiliations
- Asante Rogue Regional Medical CenterMedford, OR
- Sky Lakes Medical CenterKlamath Falls, OR
Industry payments (Open Payments)
- 2025$46.78 · 2 payments from 2 companies
- 2024$83.82 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $24.55 | 1 |
| Vertex Pharmaceuticals Incorporated | $22.23 | 1 |
What the 2025 payments were for
- Food and Beverage$46.78 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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