Justin Sang Seo, PHARMD
Pharmacist · Union Gap, WA
Justin Sang Seo, PHARMD is a pharmacist with a practice address in Union Gap, Washington, and NPI 1245894302, issued on Apr 24, 2019. Check the license (Washington PH60886076, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Sang Seo
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PH60886076 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2519 Main St, Union Gap, WA 98903
- Phone
- (509) 453-3603
- Enumerated
- Apr 24, 2019
- Record last updated
- Apr 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 7,777 in Washington → Look up another NPI →
Also registered at 2519 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krystal ClemmonsPharmacy Technician1265196174
- Lindsey HolmesPharmacy Technician1972208890
- Chun LaiPharmacist1245520477
- Robert LongPharmacy Technician1114681541
- Micah Miller, PHARMDPharmacist1780110361
- John Richardson, PHARMDPharmacist1083138069
Verify Justin Sang Seo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PH60886076Check 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, 91% of the cost of the top drugs
61 Medicare Part D claims for 43 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% 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.
- Arexvy21 claims
- Shingrix15 claims
- Boostrix Tdap13 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.
Justin Sang Seo among 7,777 pharmacist records in Washington
Justin Sang Seo, PHARMD is one of 7,777 pharmacist records with a practice address in Washington. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 76% of them.
- NPI issued2019 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 pharmacist records list a practice address in Union Gap
They are 14 of the 76 NPPES records with a practice address in Union Gap, and 7,777 pharmacist records in Washington.
All 7,777 in Washington → Every provider in Union Gap → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Syed Ali, PHARM.D.Union Gap, WA 989031306099395
- Kristina Eliason, PHARMDYakima, WA 989031033410105
- Jennifer Felix, PHARMACISTUnion Gap, WA 989031811134919
- Thomas Fung, RPHYakima, WA 989031376828731
- Philip JohnstonUnion Gap, WA 989031871867796
- Roseanne Kinney, RPHYakima, WA 989031770884249
- Chun LaiUnion Gap, WA 989031245520477
- Nancy Matsuura, PHARMDUnion Gap, WA 989031952675035
Common questions
What is Justin Sang Seo, PHARMD's NPI number?
Justin Sang Seo, PHARMD's National Provider Identifier (NPI) is 1245894302, issued on Apr 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Justin Sang Seo, PHARMD located?
The NPPES record lists a practice address at 2519 Main St, Union Gap, WA, 98903. Phone: (509) 453-3603. Providers update this record themselves, so call before visiting.
How can I verify Justin Sang Seo, PHARMD's license?
NPPES lists Washington license number PH60886076, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Sang Seo, PHARMD prescribe under Medicare Part D?
In 2024, Justin Sang Seo, PHARMD had 61 Medicare Part D claims for 43 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.