NPPES file of Aug 9, 2026

Brett A. Markle

Pharmacist · Seattle, WA

Brett A. Markle is a pharmacist with a practice address in Seattle, Washington, and NPI 1255667036, issued on Oct 28, 2009. Check the license (Washington PH00019461, 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
1255667036
Name
Brett A. Markle
Primary taxonomy
Pharmacist 183500000X
License number
PH00019461 WA
Self-reported in NPPES; status is on the state search
Practice location
325 9TH Ave, Seattle, WA 98104
Phone
(206) 744-7958
Enumerated
Oct 28, 2009
Record last updated
Oct 28, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(206) 744-2934
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 325 9TH Ave

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

  1. Noor Aaf, PA-CMedical Physician Assistant1558394171
  2. Sheida Aalami, M.D.Internal Medicine Physician1730573296
  3. Collette AbbottHospitalist Physician1306208293
  4. Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
  5. Martin Abdo, COUNSELORCounselor1821202904
  6. Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408

Verify Brett A. Markle 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 PH00019461
    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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2.0 times the Medicare Part D claims of the average pharmacist in 2024

240 Medicare Part D claims for 54 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Brett Markle240
  2. Specialty average119

Most prescribed

  1. Warfarin Sodium223 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.

Brett A. Markle among 7,777 pharmacist records in Washington

Brett A. Markle 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 2009, is newer than 20% of them.

  • NPI issued2009 · 20% of these records are older, 77% 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 updated2009 · 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. Cynthia Brennan, PHARMD, MHASeattle, WA 981041437125333
  2. Alice ChongSeattle, WA 981041699758458
  3. Jessica ChongSeattle, WA 981041154388015
  4. Vicki Decaro, PHARMDSeattle, WA 981041043274657
  5. Heather Ferguson, PHARMDSeattle, WA 981041124027578
  6. Alvin Goo, PHARMDSeattle, WA 981041881657757
  7. Beth HykesSeattle, WA 981041407819378
  8. Bradley Kosel, PHARMDSeattle, WA 981041528035755

Common questions

What is Brett A. Markle's NPI number?

Brett A. Markle's National Provider Identifier (NPI) is 1255667036, issued on Oct 28, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Brett A. Markle located?

The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 744-7958. Providers update this record themselves, so call before visiting.

How can I verify Brett A. Markle's license?

NPPES lists Washington license number PH00019461, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Brett A. Markle prescribe under Medicare Part D?

In 2024, Brett A. Markle had 240 Medicare Part D claims for 54 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.