Registry data as of Aug 27, 2026

Lydia Yau, PH

Pharmacist · Redmond, WA

Lydia Yau, PH is a pharmacist with a practice address in Redmond, Washington, and NPI 1396872529, issued on Feb 27, 2007. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1396872529
Name
Lydia Yau
Credential
PH
Primary taxonomy
Pharmacist 183500000X
Practice location
2700 152ND Ave NE, Redmond, WA 98052
Phone
(425) 883-5151
Enumerated
Feb 27, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2700 152ND Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jill Allen, M.D.Pediatrics Physician1619093036
  2. Robert Atkins, MDPediatrics Physician1023153327
  3. Kevin Au, M.D.Surgery Physician1417014846
  4. Desiray Bailey, M.D.Anesthesiology Physician1861559205
  5. Daniel Baldini, M.D.Anesthesiology Physician1255474912
  6. Bruce Beck, M.D.Gastroenterology Physician1649337098

Verify Lydia Yau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

69% fewer Medicare Part D claims than the average pharmacist in 2024

39 Medicare Part D claims for 11 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D.

  1. Lydia Yau39
  2. Specialty average127

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.

85 pharmacist records list a Redmond practice address

They are 85 of the 1,797 NPPES records with a Redmond practice address, and 7,880 pharmacist records in Washington.

Other pharmacist records in Washington

  1. Steven AahlBothell, WA1477691137
  2. Jon Aal, RPHOlympia, WA1457753212
  3. Kenric Aalund-NelsonBellingham, WA1033944996
  4. Kevin Aardal, RXTRichland, WA1932810298
  5. Rania Abaza, PHARMDVancouver, WA1699660258
  6. Roomi Abbas, RPHKenmore, WA1457293292
  7. Marvin Abbott, PHARMACISTOlympia, WA1053550384
  8. Doaa Abdelazeez, RPHLynden, WA1184153074
  9. John AbdelmalekAberdeen, WA1881985133
  10. Shorooq AbdelqaderSeattle, WA1528638889

Common questions

What is Lydia Yau, PH's NPI number?

Lydia Yau, PH's National Provider Identifier (NPI) is 1396872529, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lydia Yau, PH located?

The NPPES record lists a practice address at 2700 152ND Ave NE, Redmond, WA, 98052. Phone: (425) 883-5151. Providers update this record themselves, so call before visiting.

How can I verify Lydia Yau, PH's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Lydia Yau, PH prescribe under Medicare Part D?

In 2024, Lydia Yau, PH had 39 Medicare Part D claims for 11 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.