GEORGE J KO MD
NPI 1205890514
Ophthalmology - Retina Specialist in Renton, WA
About George J Ko Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE J KO MD (NPI 1205890514) is an individual retina specialist in Renton, Washington, licensed in Washington (MD60021230) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
George J Ko Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show George Ko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 7 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 19
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RENTON, WA 98055
RENTON, WA 98055
RENTON, WA 98055
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is George Ko's NPI number?
The NPI number for George Ko is 1205890514. It was assigned to this individual provider in the NPPES registry on April 13, 2006.
Where is George Ko located?
George Ko practices at 4300 Talbot Rd S Suite 300, Renton, WA 98055. The listed phone number is (425) 228-6262.
What is George Ko's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.
Is George Ko enrolled in Medicare?
Yes. George Ko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for George Ko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Ko reassigns Medicare benefits to Retina Institute, PLLC (Renton, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Ko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Ko accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list George Ko as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for George Ko was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.