Registry data as of Aug 27, 2026

Stephanie Sirisithi, DNP, ARNP, AGNP-C

Gerontology Nurse Practitioner · Mukilteo, WA

Stephanie Sirisithi, DNP, ARNP, AGNP-C is a gerontology nurse practitioner with a practice address in Mukilteo, Washington, and NPI 1356082549, issued on Apr 5, 2022. Check the license (Washington AP61348163, 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 recordas of Aug 27, 2026
1356082549
Name
Stephanie Sirisithi
Credential
DNP, ARNP, AGNP-C
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
AP61348163 WA
Self-reported in NPPES; status is on the state search
Practice location
4686 Pointes Dr Ste 219, Mukilteo, WA 98275
Phone
(425) 405-8089
Enumerated
Apr 5, 2022
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 4686 Pointes Dr Ste 219

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

  1. Karla Ballew, ARNPNurse Practitioner1740603307
  2. Brianna Cao, DNPNurse Practitioner1689418170
  3. Joan Ferrier, FPMHNPPsychiatric/Mental Health Nurse Practitioner1558638239
  4. Deeksha GadiNurse Practitioner1427634542
  5. Charlotte JordanFamily Nurse Practitioner1730763400
  6. Kevlin Slingwine, DNP, ARNP, AGNP-CGerontology Nurse Practitioner1639795305

Verify Stephanie Sirisithi 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 AP61348163
    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.

6.3 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024

8,681 Medicare Part D claims for 534 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 245 claims were for opioids.

  1. Stephanie Sirisithi8,681
  2. Specialty average1,369

Most prescribed

  1. Trazodone Hcl480 claims
  2. Memantine Hcl322 claims
  3. Atorvastatin Calcium317 claims
  4. Amlodipine Besylate275 claims
  5. Gabapentin254 claims
  6. Quetiapine Fumarate248 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 3 group practices

  1. Novari Primary Care LLCMukilteo, WA
  2. Select Outpatient Services IncGlenview, IL
  3. Select Rehabilitation, LLCGlenview, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gerontology Nurse Practitioner providers in Washington

There are 209 gerontology nurse practitioner records in Washington.

Other gerontology nurse practitioner records in Washington

  1. Endrias Abera, DNP-AGNPSeattle, WA1275064107
  2. Sifrash AdemeBurien, WA1386341253
  3. Diana Allen, APRNKingston, WA1225842602
  4. Christina Amendolare, AGPCNPCoupeville, WA1952963829
  5. Kamala ArumugamSeattle, WA1124994892
  6. Shaily Arya, ARNPIssaquah, WA1124364906
  7. Jolene Avalos, AGNP-CBellingham, WA1962390229
  8. Evelina Avetisova, AGPC-NPShoreline, WA1609657816
  9. Erin Baumgart, ARNPBellingham, WA1396704342
  10. Andrew BennettSeattle, WA1992371082

Common questions

What is Stephanie Sirisithi, DNP, ARNP, AGNP-C's NPI number?

Stephanie Sirisithi, DNP, ARNP, AGNP-C's National Provider Identifier (NPI) is 1356082549, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Sirisithi, DNP, ARNP, AGNP-C located?

The NPPES record lists a practice address at 4686 Pointes Dr Ste 219, Mukilteo, WA, 98275. Phone: (425) 405-8089. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Sirisithi, DNP, ARNP, AGNP-C's license?

NPPES lists Washington license number AP61348163, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Stephanie Sirisithi, DNP, ARNP, AGNP-C prescribe under Medicare Part D?

In 2024, Stephanie Sirisithi, DNP, ARNP, AGNP-C had 8,681 Medicare Part D claims for 534 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.