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DEREK JEN KON LOUIE BS, MS, OD
NPI 1235281379
Optometrist in Portland, OR

Active since January 17, 2007PECOS EnrolledAccepts Medicare Assignment
97.83/100
CMS Quality Rating
3375 SW TERWILLIGER BLVD, PORTLAND, OR 97239(503) 494-3000(503) 494-3909 Get Directions Write a Review

NPPES record last updated: February 24, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Derek Jen Kon Louie Bs, Ms, Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEREK JEN KON LOUIE BS, MS, OD (NPI 1235281379) is an individual optometrist in Portland, Oregon, licensed in Oregon (3196ATI) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Southern California College Of Optometry (2005).

NPPES Registry Identity

NPI1235281379
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDEREK JEN KON LOUIECredential: BS, MS, OD
Location Address3375 SW TERWILLIGER BLVDPortland, OR 97239
Mailing Address3303 S Bond AvePortland, OR 97239-4501 · (503) 494-3000
Phone(503) 494-3000
Fax(503) 494-3909
Sole ProprietorNo
Medical School CMSSouthern California College Of OptometryGraduated 2005
Enumeration DateJanuary 17, 2007
Last NPPES UpdateFebruary 24, 2022
NPPES CertifiedFebruary 24, 2022
✔ NPI 1235281379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in OR · 3196ATI
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
3375 SW TERWILLIGER BLVD, Portland, OR 97239
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Derek Jen Kon Louie Bs, Ms, Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638104276
PECOS Enrollment IDI20070507000278
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
129 services126 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
101 services84 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
33 services32 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
30 services29 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
18 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.97
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALLISON REBECCA LOH M.D.
Ophthalmology (Pediatric Ophthalmology and Strabismus Specialist)
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (503) 494-3000
MR. AMR M ZAKI M.D.
Student in an Organized Health Care Education/Training Program
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (902) 449-6650
RICHARD GORDON WELEBER MD
Ophthalmology
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (503) 494-8386
AFSHAN A NANJI M.D.
Ophthalmology (Cornea and External Diseases Specialist)
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (503) 494-3000
DR. MARK EDWARD PENNESI MD PHD
Ophthalmology
3375 SW TERWILLIGER BLVD, CEI
PORTLAND, OR 97239
Multnomah County (503) 494-8386
TU LAN NHAT NGUYEN MD
Ophthalmology
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (503) 494-7830
JOHN DANIEL NG MD
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (503) 494-3000
DR. JOHN PETER CAMPBELL M.D., M.P.H
Ophthalmology (Retina Specialist)
3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239
Multnomah County (503) 494-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derek Louie's NPI number?

The NPI number for Derek Louie is 1235281379. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is Derek Louie located?

Derek Louie practices at 3375 SW Terwilliger Blvd, Portland, OR 97239. The listed phone number is (503) 494-3000.

What is Derek Louie's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Derek Louie enrolled in Medicare?

Yes. Derek Louie is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Derek Louie accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Derek Louie as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Derek Louie affiliated with any hospitals?

According to CMS data, Derek Louie is affiliated with Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Derek Louie was last updated on February 24, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.