Ray Mun Koo
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 825 Eastlake Avenue East, Seattle, WA 98109
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ray Mun Koo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Ray Mun Koo is a hematologist and oncologist in Seattle, Washington
Ray Mun Koo practices at Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.
Ray Mun Koo's NPI, 1942166327, was assigned on December 30, 2025. Ray Mun Koo holds Washington license TR70062707.
- NPI
- 1942166327NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244710812
- NPI enumeration date
- December 30, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ray Mun Koo practices at Fred Hutchinson Cancer Center in Seattle, Washington
Ray Mun Koo's primary practice is Fred Hutchinson Cancer Center, at 825 Eastlake Avenue East, Seattle, WA 98109.
- Fred Hutchinson Cancer Center825 Eastlake Avenue East, Seattle, WA 98109
Source: Dmand AI Affiliation Data
Ray Mun Koo is affiliated with 2 sites of care and 1 medical group
Ray Mun Koo's primary practice is Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center. Ray Mun Koo is also affiliated with UW Medical Center - Montlake. The medical group on file is UW Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ray Mun Koo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ray Mun Koo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fred Hutchinson Cancer Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Fred Hutchinson Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.
Ray Mun Koo is one of 348 hematologists and oncologists in Washington
Hematology and oncology is Ray Mun Koo's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Ray Mun Koo is licensed in Washington.
Specialties and state licenses
- Hematology and oncology, WashingtonPrimary
Hematologists and oncologists near Ray Mun Koo
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Ray Mun Koo's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Ray Mun Koo's median patient age at 59, with 34% women.
Ray Mun Koo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women34%
- Men64%
Source: Dmand AI Patient Panel Data
How Ray Mun Koo takes part in Medicare
Ray Mun Koo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Ray Mun Koo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Ray Mun Koo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ray Mun Koo's NPI number?
Ray Mun Koo's NPI number is 1942166327. It was assigned on December 30, 2025, and it is active in the NPI Registry.
What does Ray Mun Koo specialize in?
Ray Mun Koo is a hematologist and oncologist in Seattle, Washington. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Ray Mun Koo practice?
Ray Mun Koo practices at 825 Eastlake Avenue East, Seattle, WA 98109. Ray Mun Koo's primary practice is Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.
What is Ray Mun Koo's medical license number?
Ray Mun Koo holds Washington license TR70062707.
Which hospitals is Ray Mun Koo affiliated with?
Ray Mun Koo practices at Fred Hutchinson Cancer Center in Seattle, Washington. Ray Mun Koo is also affiliated with UW Medical Center - Montlake.
What medical group is Ray Mun Koo part of?
Ray Mun Koo is linked to UW Physicians.
Does Ray Mun Koo accept Medicare?
Yes. CMS lists Ray Mun Koo as accepting Medicare assignment.
How long has Ray Mun Koo been practicing?
Ray Mun Koo graduated from medical school in 2012, 14 years ago.
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