Derek Jen Kon Louie, BS, MS, OD
Optometrist · Portland, OR
Derek Jen Kon Louie, BS, MS, OD is an optometrist with a practice address in Portland, Oregon, and NPI 1235281379, issued on Jan 17, 2007. Check the license (Oregon 3196ATI, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek Jen Kon Louie
- Credential
- BS, MS, OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3196ATI OR
Self-reported in NPPES; status is on the state search - Practice location
- 3375 SW Terwilliger Blvd, Portland, OR 97239
- Phone
- (503) 494-3000
- Enumerated
- Jan 17, 2007
- Record last updated
- Feb 24, 2022
- Fax
- (503) 494-3909
- Medicare enrollment
- Enrolled (PECOS I20070507000278); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2005
- Entity
- Type 1 · individual
Also registered at 3375 SW Terwilliger Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Talal Alabduljalil, MDOphthalmology Physician1689044273
- Daniel Albert, MDOphthalmology Physician1801862388
- Kavita Bhavsar, MDRetina Specialist (Ophthalmology) Physician1720216765
- Kristin Biggee, M.D.Ophthalmology Physician1376719591
- Amanda Burr, MS, CGCGenetic Counselor (M.S.)1770013252
- Mauricio Cabezas, M.D.Ophthalmology Physician1295970424
Verify Derek Jen Kon Louie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 3196ATICheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average optometrist in 2024
81 Medicare Part D claims for 34 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Prednisolone Acetate14 claims
- Fluorometholone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Professional ServicesAstoria, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Oregon
There are 944 optometrist records in Oregon.
Other optometrist records in Oregon
- James Adamek, ODEagle Point, OR1568660199
- Brittany Adams, O.D.Albany, OR1265732978
- Makayla Adams, ODMyrtle Creek, OR1790461911
- Shelly Adams, O.D.White City, OR1396908075
- Samuel Adelman, O.D.Happy Valley, OR1043545122
- Brett Agost, O.D.Gresham, OR1326030883
- Dane AgostGresham, OR1376461657
- Andrew Aker, O.D.Portland, OR1154520906
- Joseph An, O.D.Gresham, OR1235271511
- Anna Anderson, O.D.Portland, OR1376707984
Common questions
What is Derek Jen Kon Louie, BS, MS, OD's NPI number?
Derek Jen Kon Louie, BS, MS, OD's National Provider Identifier (NPI) is 1235281379, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Derek Jen Kon Louie, BS, MS, OD located?
The NPPES record lists a practice address at 3375 SW Terwilliger Blvd, Portland, OR, 97239. Phone: (503) 494-3000. Providers update this record themselves, so call before visiting.
How can I verify Derek Jen Kon Louie, BS, MS, OD's license?
NPPES lists Oregon license number 3196ATI, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Derek Jen Kon Louie, BS, MS, OD prescribe under Medicare Part D?
In 2024, Derek Jen Kon Louie, BS, MS, OD had 81 Medicare Part D claims for 34 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Derek Jen Kon Louie, BS, MS, OD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.