DR. JOHN WILLIAM KARTH (M.D.) – Ophthalmology Physician, NPI 1588862320
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 DR. JOHN WILLIAM KARTH (M.D.)
7, Oak Street, Woodfield Microhood, College Hill, Eugene, Lane County, Oregon, 97405, United States
EUGENE, OR 974017701
Phone: (541) 687-1927
Fax: (541) 683-8779
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 40 Open Payments records for all available years, with a total value of $1,057.
Total Amount is formed as General ($1,057) + Research ($0) + Ownership ($0) = $1,057.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: ABBVIE INC. ($294).
Total Amount
$1,057
General + Research + Ownership
Payments
40
Total payment records
General Amount
$1,057
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $294 |
| Regeneron Healthcare Solutions, Inc. | $200 |
| Alcon Vision LLC | $122 |
| Apellis Pharmaceuticals, Inc. | $112 |
| Alimera Sciences, Inc. | $109 |
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: 2007-08-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20070822000583 | I | Ophthalmology | OR | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 67,320 | 217 | $0 |
| 92134 | Imaging of retina | 3,635 | 1,117 | $0 |
| 67028 | Injection of drug into eye | 2,724 | 466 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 2,604 | 268 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,182 | 714 | $0 |
Insurance plans in this area (ZIP 97401)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | OR | 92134 | Diagnostic imaging of retina | 3569 | 977 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | CA | |
| O P H T H A L M O L O G Y | TX |
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