Physician Profile
Unclaimed ProfileAbout KOO
Based in Portland, OR, John Jah-Hyun Koo, MD is listed in the NPI registry under ophthalmology. John graduated from Yale University School of Medicine in 2003.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Koo's specialty?
Dr. Koo is an ophthalmology in Portland, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where can I find Dr. Koo?
Dr. Koo is listed at 3600 N. INTERSTATE AVENUE DEPARTMENT OF OPTHALMOLOGY, Portland, OR 97227. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Koo?
The number on file is (503) 331-6330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Koo's NPI number?
Dr. Koo's National Provider Identifier is 1043356470. 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
What is Dr. Koo's medical education?
Dr. Koo attended Yale University School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Koo been practising?
Dr. Koo has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Koo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Koo. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 331-6330
- Email not available
Practice Locations
3600 N. INTERSTATE AVENUE DEPARTMENT OF OPTHALMOLOGY
Portland, OR 97227
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ophthalmology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other ophthalmology specialists in Portland 8
Same specialty, same city.
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.