NPPES file of Aug 9, 2026

Rachel Darlene Diercks, RPH

Pharmacist · Seattle, WA

Rachel Darlene Diercks, RPH is a pharmacist with a practice address in Seattle, Washington, and NPI 1851689533, issued on Jul 15, 2011. Check the license (Washington PH60221522, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851689533
Name
Rachel Darlene Diercks
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
PH60221522 WA
Self-reported in NPPES; status is on the state search
Practice location
3020 NE 45TH St, Seattle, WA 98105
Phone
(206) 524-9931
Enumerated
Jul 15, 2011
Record last updated
Jan 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(206) 524-9906
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 3020 NE 45TH St

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

  1. Gina Cho, PHARMDPharmacist1992005862
  2. Simran Dodd, PHARMDPharmacist1265019004
  3. Jennine Kotnik, RPHPharmacist1497361844
  4. Alison Sanders, PHARMDPharmacist1225617970
  5. Kevin Su, PHARMDPharmacist1497043467
  6. Jenny Tso, RPHPharmacist1730480468

Verify Rachel Darlene Diercks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PH60221522
    Check 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.

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Most of these Medicare Part D claims are vaccines, 89% of the cost of the top drugs

319 Medicare Part D claims for 132 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 83% of claims.

  1. Rachel Diercks319
  2. Specialty average119

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.

  1. Typhim Vi54 claims
  2. Azithromycin35 claims
  3. Boostrix Tdap28 claims
  4. Atovaquone-Proguanil Hcl27 claims
  5. Ipol22 claims
  6. Twinrix21 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.

Rachel Darlene Diercks among 7,777 pharmacist records in Washington

Rachel Darlene Diercks, RPH 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 2011, is newer than 32% of them.

  • NPI issued2011 · 32% of these records are older, 61% 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 updated2018 · 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).

1,476 pharmacist records list a practice address in Seattle

They are 1,476 of the 41,956 NPPES records with a practice address in Seattle, and 7,777 pharmacist records in Washington.

The 8 pharmacist records with the nearest ZIP codes

  1. Leona Beatty, PHARMDSeattle, WA 981051659357531
  2. Gina Carpinito, PHARMDSeattle, WA 981051427078914
  3. Steven Cone, RPHSeattle, WA 981051649364415
  4. Donna Dockter, RPHSeattle, WA 981051710918446
  5. Joyce HoSeattle, WA 981051538367495
  6. Jennifer Hrachovec, PHARMDSeattle, WA 981051598943847
  7. Kathryn Kong, RPHSeattle, WA 981051396864682
  8. R Kozu, PHARMDSeattle, WA 981051942243134

Common questions

What is Rachel Darlene Diercks, RPH's NPI number?

Rachel Darlene Diercks, RPH's National Provider Identifier (NPI) is 1851689533, issued on Jul 15, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Darlene Diercks, RPH located?

The NPPES record lists a practice address at 3020 NE 45TH St, Seattle, WA, 98105. Phone: (206) 524-9931. Providers update this record themselves, so call before visiting.

How can I verify Rachel Darlene Diercks, RPH's license?

NPPES lists Washington license number PH60221522, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Rachel Darlene Diercks, RPH prescribe under Medicare Part D?

In 2024, Rachel Darlene Diercks, RPH had 319 Medicare Part D claims for 132 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.