David Byon, PHARMD
Pharmacist · Yelm, WA
David Byon, PHARMD is a pharmacist with a practice address in Yelm, Washington, and NPI 1043817109, issued on Oct 1, 2020. Check the license (Washington PH61071761, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Byon
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PH61071761 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1109 E Yelm Ave, Yelm, WA 98597
- Phone
- (360) 458-8830
- Enumerated
- Oct 1, 2020
- Record last updated
- Oct 1, 2020 (not updated in 6 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 1109 E Yelm Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erica Harkin, PHARM. D.Pharmacist1053611764
Verify David Byon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PH61071761Check 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, 100% of the cost of the top drugs
36 Medicare Part D claims for 34 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.
- Shingrix16 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.
David Byon among 7,777 pharmacist records in Washington
David Byon, 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 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 17% 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 updated2020 · 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 Yelm
They are 14 of the 240 NPPES records with a practice address in Yelm, and 7,777 pharmacist records in Washington.
All 7,777 in Washington → Every provider in Yelm → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Luis Angeles, PHARMDYelm, WA 985971013546829
- Wesley Douglas, RPHYelm, WA 985971346639135
- Jason Furbush, PHARM.D.Yelm, WA 985971538470687
- Kathy Guptill, RPHYelm, WA 985971902208705
- Erica Harkin, PHARM. D.Yelm, WA 985971053611764
- Sydney Harrell, PHARMDYelm, WA 985971386509479
- Timothy Larsen, R. PH.Yelm, WA 985971881691079
- Benjamin Larsen, PHARM DYelm, WA 985971104078492
Common questions
What is David Byon, PHARMD's NPI number?
David Byon, PHARMD's National Provider Identifier (NPI) is 1043817109, issued on Oct 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is David Byon, PHARMD located?
The NPPES record lists a practice address at 1109 E Yelm Ave, Yelm, WA, 98597. Phone: (360) 458-8830. Providers update this record themselves, so call before visiting.
How can I verify David Byon, PHARMD's license?
NPPES lists Washington license number PH61071761, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does David Byon, PHARMD prescribe under Medicare Part D?
In 2024, David Byon, PHARMD had 36 Medicare Part D claims for 34 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.