NPPES file of Aug 9, 2026

Mariko Watts Taggart

Nurse Practitioner · Everett, WA

Mariko Watts Taggart is a nurse practitioner with a practice address in Everett, Washington, and NPI 1083218325, issued on Nov 27, 2020. Check the license (Washington AP61110172, 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
1083218325
Name
Mariko Watts Taggart
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
AP61110172 WA
RN60223644 WA
Self-reported in NPPES; status is on the state search
Practice location
900 Pacific Ave FL 5, Everett, WA 98201
Phone
(425) 339-5430
Enumerated
Nov 27, 2020
Record last updated
May 6, 2026
Medicare enrollment
Enrolled (PECOS I20210112002493); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 900 Pacific Ave FL 5

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

  1. Malia ChaseBehavior Analyst1811502032
  2. Shannon DemasObstetrics & Gynecology Physician1902169568
  3. Anika Gannon, CNM, DNP, ARNPNurse Practitioner1649945940

Verify Mariko Watts Taggart 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 AP61110172
    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

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81% fewer Medicare Part D claims than the average nurse practitioner in 2024

211 Medicare Part D claims for 86 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Mariko Taggart211
  2. Specialty average1,109

Most prescribed

  1. Estradiol81 claims
  2. Clobetasol Propionate35 claims
  3. Progesterone16 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

  1. Optum Care Washington PLLCEverett, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mariko Watts Taggart among 2,308 nurse practitioner records in Washington

Mariko Watts Taggart is one of 2,308 nurse practitioner records with a practice address in Washington. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 68% of them.

  • NPI issued2020 · 68% of these records are older, 25% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2020 · median 2018 among the 1,301 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

118 nurse practitioner records list a practice address in Everett

They are 118 of the 7,246 NPPES records with a practice address in Everett, and 2,308 nurse practitioner records in Washington.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Beth Aversa, ARNPEverett, WA 982011033201009
  2. Tracy Baum, NPEverett, WA 982011861437980
  3. Susan Blue, ARNPEverett, WA 982011265543839
  4. Michelle Draper, ARNPEverett, WA 982011578573648
  5. Patricia Freeburg, ARNPEverett, WA 982011134212194
  6. Caroline Gertz, ARNPEverett, WA 982011326086356
  7. Christine Hendrickson, ARNPEverett, WA 982011699884320
  8. Beth HutchingsEverett, WA 982011407867112

Common questions

What is Mariko Watts Taggart's NPI number?

Mariko Watts Taggart's National Provider Identifier (NPI) is 1083218325, issued on Nov 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mariko Watts Taggart located?

The NPPES record lists a practice address at 900 Pacific Ave FL 5, Everett, WA, 98201. Phone: (425) 339-5430. Providers update this record themselves, so call before visiting.

How can I verify Mariko Watts Taggart's license?

NPPES lists Washington license number AP61110172, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Mariko Watts Taggart prescribe under Medicare Part D?

In 2024, Mariko Watts Taggart had 211 Medicare Part D claims for 86 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.