Louis Nguyen
Pharmacist · Portland, OR
Louis Nguyen is a pharmacist with a practice address in Portland, Oregon, and NPI 1225634587, issued on Dec 10, 2020. Check the license (Oregon RPH-0018155, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Louis Nguyen
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH-0018155 OR
Self-reported in NPPES; status is on the state search - Practice location
- 5420 NE 33RD Ave, Portland, OR 97211
- Phone
- (971) 230-0153
- Enumerated
- Dec 10, 2020
- Record last updated
- Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (971) 230-0156
- Entity
- Type 1 · individual
Also registered at 5420 NE 33RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annie ChenPharmacist1093422818
- Michael Grossnickle, RPHPharmacist1861940769
- Jennifer KimPharmacist1215160536
- Andrew Mocny, PHARM.D.Pharmacist1750831491
- My Nguyen, PHARMDPharmacist1346784766
- Wan-Wen YehPharmacist1174838742
Verify Louis Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license RPH-0018155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs
93 Medicare Part D claims for 81 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 99% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix39 claims
- Arexvy38 claims
- Boostrix Tdap14 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.
931 pharmacist records list a practice address in Portland
They are 931 of the 42,088 NPPES records with a practice address in Portland, and 3,571 pharmacist records in Oregon.
All 931 in Portland → All 3,571 in Oregon → Every provider in Portland →
Other pharmacist records in Oregon
- Casey Aaby, PHARMDSpringfield, OR1114735909
- Zachary Aalberg, PHARMDMedford, OR1336757095
- Carly Aamoth, PHARM.DPortland, OR1659749380
- Tahlia Aarstad, PHARMDKlamath Falls, OR1972928117
- Abdulahi Ababulgu, PHARMDPortland, OR1548942188
- Alyaa AbbasWoodburn, OR1477417293
- Diana AbdeljawadPortland, OR1578369229
- Gerissa AbdonBeaverton, OR1487364014
- Laura AbellEnterprise, OR1134640584
- Haile AberhaCorvallis, OR1285124826
Common questions
What is Louis Nguyen's NPI number?
Louis Nguyen's National Provider Identifier (NPI) is 1225634587, issued on Dec 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Louis Nguyen located?
The NPPES record lists a practice address at 5420 NE 33RD Ave, Portland, OR, 97211. Phone: (971) 230-0153. Providers update this record themselves, so call before visiting.
How can I verify Louis Nguyen's license?
NPPES lists Oregon license number RPH-0018155, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Louis Nguyen prescribe under Medicare Part D?
In 2024, Louis Nguyen had 93 Medicare Part D claims for 81 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions only.
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.