Aaron Isamu Karlen, M.D., J.D.
NPI 1104184415ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Salem, OR
Orthopaedic Surgery, Hand Surgery (M.D., J.D.) in Salem, Oregon, trained at University of Hawaii John A. Burns School of Medicine (class of 2012). 220 Medicare patients in 2024, $74,783 paid; all of their 278 Part D prescriptions were generic. Left Coast Surgical Inc reported $21.32 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1104184415 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., J.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2012 |
| Last updated in NPPES | Jun 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | MD187069 | OR |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hand Surgery (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 759 across 65 procedure codes |
| Paid by Medicare | $74,783 |
Part D prescriptions in 2024
| Prescriptions (claims) | 278 · 280 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $2,240 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Hand Surgery |
| Secondary specialties | Orthopedic Surgery |
Medical group
- Salem HealthSalem, OR · 454 clinicians
Hospital affiliation
- Salem HospitalSalem, OR
Industry payments (Open Payments)
- 2025$21.32 · 1 payment from 1 company
- 2024$77.18 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Left Coast Surgical Inc | $21.32 | 1 |
What the 2025 payments were for
- Food and Beverage$21.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Hand Surgery providers in Salem
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- 1003279415