Kent A. Karren, MD
NPI 1942208160ActiveIndividual· Ophthalmology· Eugene, OR
Ophthalmology (MD) in Eugene, Oregon, trained at Medical College of Wisconsin (class of 1986). In 2024 Medicare paid $102,272 for 681 patients, and Part D covered 561 of their prescriptions, 68% of them generic. Tarsus Pharmaceuticals, Inc. was the largest of 11 companies reporting payments in 2025, $766.91 in all, mostly food and beverage.
Overview
| NPI | 1942208160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2005 |
| Last updated in NPPES | Jun 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD 22688 | OR |
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 - Ophthalmology (NV); Practitioner - Ophthalmology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 681 |
|---|---|
| Services billed | 1,366 across 38 procedure codes |
| Paid by Medicare | $102,272 |
Part D prescriptions in 2024
| Prescriptions (claims) | 561 · 962 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $56,276 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Ophthalmology |
Medical group
- Sharon Richens MD Eye Physician and Surgeon PCMesquite, NV · 8 clinicians
Industry payments (Open Payments)
- 2025$766.91 · 31 payments from 11 companies
- 2024$770.39 · 23 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $121.95 | 6 |
| Regeneron Healthcare Solutions, Inc. | $103.13 | 4 |
| Bausch & Lomb Americas Inc. | $99.04 | 3 |
| Oyster Point Pharma, Inc. | $80.60 | 3 |
| Biotissue Holdings Inc. | $79.46 | 4 |
What the 2025 payments were for
- Food and Beverage$766.91 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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