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Provider Profile

Ray Mun Koo

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At a glance

About Ray Mun Koo

Ray Mun Koo is a healthcare provider in Seattle, WA specializing in hematology/oncology. Ray Mun is also listed as specializing in internal medicine and hematology & oncology. This provider record is associated with NPI 1942166327.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 2012

Specialty

Credentials & Licensing

WA licenceAs reported to the NPI registry
No. TR70062707As reported
NPINational Provider Identifier
1942166327Issued 2025

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Ray Mun Koo?

Ray Mun Koo is a hematology/oncology in Seattle, WA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Ray Mun Koo's address?

Ray Mun Koo is listed at 825 Eastlake Ave E, Seattle, WA 98109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Ray Mun Koo?

The number on file is (206) 520-5000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Ray Mun Koo?

Ray Mun Koo's National Provider Identifier is 1942166327. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Ray Mun Koo train?

Ray Mun Koo attended Other, graduating in 2012. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Ray Mun Koo have?

Ray Mun Koo has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.

CMS public data

Is Ray Mun Koo's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Ray Mun Koo. If this is you, claiming it is free.

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