Marnie Cowell, ARNP
Family Nurse Practitioner · Burien, WA
Marnie Cowell, ARNP is a family nurse practitioner with a practice address in Burien, Washington, and NPI 1528469004, issued on Sep 15, 2014. Check the license (Washington ARNP.AP.60508181, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marnie Cowell
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- ARNP.AP.60508181 WA
10033436 OR
Self-reported in NPPES; status is on the state search - Practice location
- 16045 1St Ave S FL 1, Burien, WA 98148
- Phone
- (206) 965-4180
- Enumerated
- Sep 15, 2014
- Record last updated
- May 28, 2026
- Medicaid ID
- 2040902 WA
- Medicare enrollment
- Enrolled (PECOS I20150209000781); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Also registered at 16045 1St Ave S FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katayoun Akbari, PACPhysician Assistant1972072106
- Freeha Bokhari, M.D.Family Medicine Physician1043289796
- Arashpreet Chhina, MDInternal Medicine Physician1831833060
- Charissa Chi, ARNPFamily Nurse Practitioner1336653005
- Mia Concordia, MSW, LICSWClinical Social Worker1609242890
- Karen Fieland, MSW, PHDClinical Social Worker1669001681
Verify Marnie Cowell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license ARNP.AP.60508181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average family nurse practitioner in 2024
1,504 Medicare Part D claims for 640 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Levothyroxine Sodium99 claims
- Atorvastatin Calcium89 claims
- Lisinopril81 claims
- Fluticasone Propionate73 claims
- Omeprazole65 claims
- Losartan Potassium64 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.
Bills Medicare through one group practice
- PeacehealthBellingham, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marnie Cowell among 3,781 family nurse practitioner records in Washington
Marnie Cowell, ARNP is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 40% of them.
- NPI issued2014 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2014 · median 2018 among the 2,116 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Nurse Practitioner providers in Washington
There are 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Burien → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Charissa Chi, ARNPBurien, WA 981481336653005
- John Naval, ARNPBurien, WA 981481457975559
- Manreet Purba, DNP FNP-BCNormandy Park, WA 981481457242679
- Caprica Ramirez Lopez, APRNBurien, WA 981461730518051
- Rebecca WadaSeattle, WA 981461831084029
- Robert Yap, ARNPBurien, WA 981461154651933
- Elisabeth Brennand, ARNPSeattle, WA 981441306865399
- Monica Dejulio, FNP-BCSeattle, WA 981441750858882
Common questions
What is Marnie Cowell, ARNP's NPI number?
Marnie Cowell, ARNP's National Provider Identifier (NPI) is 1528469004, issued on Sep 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marnie Cowell, ARNP located?
The NPPES record lists a practice address at 16045 1St Ave S FL 1, Burien, WA, 98148. Phone: (206) 965-4180. Providers update this record themselves, so call before visiting.
How can I verify Marnie Cowell, ARNP's license?
NPPES lists Washington license number ARNP.AP.60508181, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Marnie Cowell, ARNP prescribe under Medicare Part D?
In 2024, Marnie Cowell, ARNP had 1,504 Medicare Part D claims for 640 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.