Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Derek Jen Kon Louie, BS, MS, OD

Individual provider Optometrist · NPI 1235281379

Derek Jen Kon Louie, BS, MS, OD is an Optometry in Portland, Oregon. Graduated from Southern California College of Optometry in 2005, 21 years ago. Practices with University Professional Services, a 1,704-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
21
Trained at
Southern California College of Optometry
Licensed in
OR
In the registry since
2007
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.
MS — Master of Science
A graduate science degree.
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

3375 SW Terwilliger Blvd
Portland, OR 97239
Phone: (503) 494-3000
Fax: (503) 494-3909
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 3196ATI (OR)

Record details

NPI number1235281379
Entity typeIndividual (Type 1)
GenderMale
Credentials BS , MS , OD
Sole proprietorNo
NPI enumeratedJanuary 17, 2007
Last updated in NPPESFebruary 24, 2022
Certification dateFebruary 24, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2005 (21 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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