Marilyn Costas Borromeo-Wesner, ARNP
Adult Health Nurse Practitioner · Snohomish, WA
Marilyn Costas Borromeo-Wesner, ARNP is an adult health nurse practitioner with a practice address in Snohomish, Washington, and NPI 1205908498, issued on Nov 14, 2006. Check the license (Washington AP30007479, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marilyn Costas Borromeo-Wesner
- Credential
- ARNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- AP30007479 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1830 Bickford Ave, Snohomish, WA 98290
- Phone
- (360) 668-1820
- Enumerated
- Nov 14, 2006
- Record last updated
- Feb 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (360) 668-1825
- Medicaid ID
- 9650862 WA
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 546 in Washington → Look up another NPI →
Also registered at 1830 Bickford Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilyn Costas Borromeo-Wesner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30007479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average adult health nurse practitioner in 2024
1,782 Medicare Part D claims for 41 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Trazodone Hcl152 claims
- Quetiapine Fumarate148 claims
- Gabapentin107 claims
- Atorvastatin Calcium90 claims
- Memantine Hcl87 claims
- Amlodipine Besylate66 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.
Marilyn Costas Borromeo-Wesner among 546 adult health nurse practitioner records in Washington
Marilyn Costas Borromeo-Wesner, ARNP is one of 546 adult health nurse practitioner records with a practice address in Washington. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 73% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2015 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Washington
There are 546 adult health nurse practitioner records in Washington.
All 546 in Washington → Every provider in Snohomish → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Alexxia RichmondSnohomish, WA 982901720783426
- Betty Westfall, ARNPSnohomish, WA 982901053357939
- Katherine Dodge, MSNMukilteo, WA 982751972223733
- Kathy Bradford, ARNPMount Vernon, WA 982731871802769
- Cathy Smith, ARNPMount Vernon, WA 982731114049723
- Heather Watson, NPMount Vernon, WA 982731790335297
- Sheryl Allbert, ARNPMonroe, WA 982721417171232
- Thepthara PholsenaMonroe, WA 982721588932495
Common questions
What is Marilyn Costas Borromeo-Wesner, ARNP's NPI number?
Marilyn Costas Borromeo-Wesner, ARNP's National Provider Identifier (NPI) is 1205908498, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn Costas Borromeo-Wesner, ARNP located?
The NPPES record lists a practice address at 1830 Bickford Ave, Snohomish, WA, 98290. Phone: (360) 668-1820. Providers update this record themselves, so call before visiting.
How can I verify Marilyn Costas Borromeo-Wesner, ARNP's license?
NPPES lists Washington license number AP30007479, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Marilyn Costas Borromeo-Wesner, ARNP prescribe under Medicare Part D?
In 2024, Marilyn Costas Borromeo-Wesner, ARNP had 1,782 Medicare Part D claims for 41 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.