KENT A KARREN (MD) – Ophthalmology Physician, NPI 1942208160
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
343 OPHTHALMOLOGY in OR
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Provider Addresses for KENT A KARREN (MD)
1550, Oak Street, College Hill, Eugene, Lane County, Oregon, 97401, United States
SUITE #3
EUGENE, OR 974017701
Phone: (541) 683-2020
Fax: (541) 683-1509
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 33 Open Payments records for all available years, with a total value of $1,029.
Total Amount is formed as General ($1,029) + Research ($0) + Ownership ($0) = $1,029.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: BIOTISSUE HOLDINGS INC. ($232).
Total Amount
$1,029
General + Research + Ownership
Payments
33
Total payment records
General Amount
$1,029
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BIOTISSUE HOLDINGS INC. | $232 |
| Bausch & Lomb Americas Inc. | $220 |
| Alcon Vision LLC | $132 |
| ABBVIE INC. | $82 |
| Regeneron Healthcare Solutions, Inc. | $72 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-06-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20230829004464 | I | Ophthalmology | UT | TBD |
| I20240619001422 | I | Ophthalmology | NV | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 273 | 260 | $0 |
| 92014 | Established patient complete exam of visual system | 157 | 157 | $0 |
| 92134 | Imaging of retina | 136 | 136 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 115 | 103 | $0 |
| 92133 | Imaging of optic nerve | 89 | 88 | $0 |
Insurance plans in this area (ZIP 97401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | UT | |
| - | UT | |
| O P H T H A L M O L O G Y | UT | |
| - | UT | |
| O P T O M E T R Y | NM | |
| O P H T H A L M O L O G Y | NE | |
| O P H T H A L M O L O G Y | UT |
Reviews
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