Mr John Jah-hyun Koo, MD - Medicare Ophthalmology in Portland, OR

Mr John Jah-hyun Koo, MD is a medicare enrolled "Ophthalmology" physician in Portland, Oregon. He went to Yale University School Of Medicine and graduated in 2003 and has 21 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Kaiser Foundation Health Plan Of The Northwest and his current practice location is 3600 N. Interstate Avenue, Department Of Opthalmology, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 331-6330.

Mr John Jah-hyun Koo is licensed to practice in Oregon (license number MD151394) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1043356470.

Contact Information

Mr John Jah-hyun Koo, MD
3600 N. Interstate Avenue, Department Of Opthalmology,
Portland, OR 97227
(503) 331-6330
(503) 571-5877



Physician's Profile

Full NameMr John Jah-hyun Koo
GenderMale
SpecialityOphthalmology
Experience21 Years
Location3600 N. Interstate Avenue, Portland, Oregon
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr John Jah-hyun Koo attended and graduated from Yale University School Of Medicine in 2003
  NPI Data:
  • NPI Number: 1043356470
  • Provider Enumeration Date: 01/30/2007
  • Last Update Date: 09/21/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 9133297245
  • Enrollment ID: I20101208001135

Medical Identifiers

Medical identifiers for Mr John Jah-hyun Koo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043356470NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology D0066681 (Maryland)Secondary
207W00000XOphthalmology MD151394 (Oregon)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaiser Foundation Health Plan Of The Northwest57996882301482

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr John Jah-hyun Koo allows following entities to bill medicare on his behalf.
Entity NameKaiser Foundation Health Plan Of The Northwest
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184786527
PECOS PAC ID: 5799688230
Enrollment ID: O20040130000799

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr John Jah-hyun Koo is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr John Jah-hyun Koo, MD
3600 N. Interstate Avenue, Department Of Opthalmology,
Portland, OR 97227

Ph: (503) 331-6330
Mr John Jah-hyun Koo, MD
3600 N. Interstate Avenue, Department Of Opthalmology,
Portland, OR 97227

Ph: (503) 331-6330

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Hospital in-patients from lower socioeconomic backgrounds are less likely to receive prompt cardiopulmonary resuscitation (CPR) after their hearts stop beating and less likely to survive than patients from higher socioeconomic backgrounds.

Watch out for Sjögren's syndrome in dry eye

Clinicians with patients who have clinically significant dry eye should be on the alert for underlying Sjögren's syndrome, report researchers in the British Journal of Ophthalmology.

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Ophthalmology Doctors in Portland, OR

Amy Ying Tong, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1955 Nw Northrup St, Portland, OR 97209
Phone: 503-227-2020    
Sungjae Yang,
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 3375 Sw Terwilliger Bld, Casey Eye Institue, Portland, OR 97239
Phone: 503-494-5023    
Dr. Michael David Straiko, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1040 Nw 22nd Ave., Suite 200, Portland, OR 97210
Phone: 503-413-8202    Fax: 503-413-6937
Allison Rebecca Loh, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 3375 Sw Terwilliger Blvd, Portland, OR 97239
Phone: 503-494-3000    Fax: 503-494-4286
John Carl Morrison, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 3303 Sw Bond Ave, Portland, OR 97239
Phone: 503-494-3000    Fax: 503-418-0843
Adam Marcus Hanif,
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 3181 Sw Sam Jackson Park Rd, Portland, OR 97239
Phone: 503-494-3000    Fax: 503-494-4286

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