GEORGE J KO (MD) – Retina Specialist (Ophthalmology) Physician, NPI 1205890514
Retina Specialist (Ophthalmology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
467 OPHTHALMOLOGY in WA
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Provider Addresses for GEORGE J KO (MD)
Cascade Vision Center, 4300, Talbot Road South, Renton, King County, Washington, 98055, United States
SUITE 300
RENTON, WA 980556238
Phone: (425) 228-6262
Fax: (425) 228-6260
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 18 Open Payments records for all available years, with a total value of $4,559.
Total Amount is formed as General ($4,559) + Research ($0) + Ownership ($0) = $4,559.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Carl Zeiss Meditec USA, Inc. ($4,211).
Total Amount
$4,559
General + Research + Ownership
Payments
18
Total payment records
General Amount
$4,559
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Carl Zeiss Meditec USA, Inc. | $4,211 |
| ABBVIE INC. | $72 |
| Genentech USA, Inc. | $55 |
| Bausch & Lomb Americas Inc. | $40 |
| Regeneron Healthcare Solutions, Inc. | $32 |
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: 2008-09-09
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 |
|---|---|---|---|---|
| I20080909000091 | I | Ophthalmology | WA | 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 |
|---|---|---|---|---|
| J0178 | Injection, aflibercept, 1 mg | 1,568 | 178 | $0 |
| 92134 | Imaging of retina | 1,489 | 603 | $0 |
| 67028 | Injection of drug into eye | 1,282 | 327 | $0 |
| 92014 | Established patient complete exam of visual system | 998 | 641 | $0 |
| J2778 | Injection, ranibizumab, 0.1 mg | 854 | 37 | $0 |
Insurance plans in this area (ZIP 98055)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P H T H A L M O L O G Y | NV |
Reviews
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