John Karlin, ARNP
NPI 1225436876ActiveIndividual· Nurse Practitioner· Klamath Falls, OR
Nurse Practitioner (ARNP) with Ies ER Oklahoma LLC and 3 other groups, practicing in Klamath Falls, Oregon. 101 Medicare patients in 2024, $10,117 paid; nearly all of their 378 Part D prescriptions were generic (92%). Abbvie Inc. reported $21.14 in payments in 2024, mostly food and beverage. Lists Clinton Regional Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1225436876 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Dec 15, 2014 |
| Last updated in NPPES | Dec 30, 2024 |
| Certified by provider | Dec 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | OK74696 | OK |
| Nurse Practitioner | 363L00000X | 10026228 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (OK); Practitioner - Nurse Practitioner (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 312 across 38 procedure codes |
| Paid by Medicare | $10,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 378 · 405 30-day fills |
|---|---|
| Patients | 264 |
| Total drug cost | $6,932 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Ies ER Oklahoma LLCMuskogee, OK · 143 clinicians
- Grande Ronde Hospital IncLa Grande, OR · 97 clinicians
- Immediate Care of Oklahoma LLCChoctaw, OK · 34 clinicians
- Clinton Hospital AuthorityClinton, OK · 15 clinicians
Hospital affiliations
- Clinton Regional HospitalClinton, OK
- Clinton Regional HospitalClinton, OK
- Cordell Memorial HospitalCordell, OK
- Grande Ronde HospitalLa Grande, OR
Industry payments (Open Payments)
- 2024$21.14 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $21.14 | 1 |
What the 2024 payments were for
- Food and Beverage$21.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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