NPPES file of Aug 9, 2026

Elizabeth Mack, RN, ARNP-C

Nurse Practitioner · Seattle, WA

Elizabeth Mack, RN, ARNP-C is a nurse practitioner with a practice address in Seattle, Washington, and NPI 1881143758, issued on Oct 3, 2016. Check the license (Washington AP60691184, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881143758
Name
Elizabeth Mack
Credential
RN, ARNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
AP60691184 WA
RN60562783 WA
Self-reported in NPPES; status is on the state search
Practice location
3410 Claremont Ave S, Seattle, WA 98144
Phone
(206) 725-0747
Enumerated
Oct 3, 2016
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 3410 Claremont Ave S

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

  1. Imani Owens-Bailey, ND, EAMP, LACNaturopath1043736036
  2. Trejaun White, MA60689769Massage Therapist1679370217

Verify Elizabeth Mack 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 AP60691184
    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.

74% more Medicare Part D claims than the average nurse practitioner in 2024

1,926 Medicare Part D claims for 25 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Elizabeth Mack1,926
  2. Specialty average1,109

Most prescribed

  1. Tamsulosin Hcl109 claims
  2. Atorvastatin Calcium81 claims
  3. Olanzapine73 claims
  4. Famotidine71 claims
  5. Tivicay60 claims
  6. Losartan Potassium57 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.

Industry payments in 2024: $25.00

1 payment; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Mack$25.00
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

569 nurse practitioner records list a practice address in Seattle

They are 569 of the 41,956 NPPES records with a practice address in Seattle, and 2,308 nurse practitioner records in Washington.

Other nurse practitioner records in Washington

  1. Arthuro AbbidoChelan Falls, WA1396412888
  2. Saada AbdelaSeattle, WA1881474716
  3. Glenda Abercrombie, ARNP, FNP-CYakima, WA1114001369
  4. Hemlal Acharya, ARNP PHMNP-BC, MSAuburn, WA1659146231
  5. Marja Adair, ARNPRichland, WA1659818318
  6. Nancy Adam, A.R.N.P.Poulsbo, WA1790835684
  7. James Adams, NPSpokane, WA1245828227
  8. Jessica Adams, ARNPBattle Ground, WA1316332463
  9. Pramoj Adhikari, DNP, RN, FNP - ( C).Everett, WA1396315446
  10. Girma AdmasuSpokane Valley, WA1568023547

Common questions

What is Elizabeth Mack, RN, ARNP-C's NPI number?

Elizabeth Mack, RN, ARNP-C's National Provider Identifier (NPI) is 1881143758, issued on Oct 3, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Mack, RN, ARNP-C located?

The NPPES record lists a practice address at 3410 Claremont Ave S, Seattle, WA, 98144. Phone: (206) 725-0747. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Mack, RN, ARNP-C's license?

NPPES lists Washington license number AP60691184, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Mack, RN, ARNP-C prescribe under Medicare Part D?

In 2024, Elizabeth Mack, RN, ARNP-C had 1,926 Medicare Part D claims for 25 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), loaded Aug 27, 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) 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 27, 2026.