NPPES file of Aug 9, 2026

Arissa Merlan, CRNA

Certified Registered Nurse Anesthetist · Seattle, WA

Arissa Merlan, CRNA is a certified registered nurse anesthetist with a practice address in Seattle, Washington, and NPI 1417898545, issued on Apr 2, 2026. Check the license (Washington ARNP.AP.70117684-CRN, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417898545
Name
Arissa Merlan
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
ARNP.AP.70117684-CRN WA
RN.RN.70106732.MSL WA
Self-reported in NPPES; status is on the state search
Practice location
325 9TH Ave, Seattle, WA 98104
Phone
(206) 520-5000
Enumerated
Apr 2, 2026
Record last updated
Jun 24, 2026
Medicare enrollment
Enrolled (PECOS I20260511002682); may accept Medicare assignment
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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8 nearest certified registered nurse anesthetist records → All 1,181 in Washington → Look up another NPI →

Also registered at 325 9TH Ave

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

  1. Noor Aaf, PA-CMedical Physician Assistant1558394171
  2. Sheida Aalami, M.D.Internal Medicine Physician1730573296
  3. Collette AbbottHospitalist Physician1306208293
  4. Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
  5. Martin Abdo, COUNSELORCounselor1821202904
  6. Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408

Verify Arissa Merlan 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 ARNP.AP.70117684-CRN    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.

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Arissa Merlan among 1,181 certified registered nurse anesthetist records in Washington

Arissa Merlan, CRNA is one of 1,181 certified registered nurse anesthetist 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 not. Its NPI, issued in 2026, is newer than 99% of them.

  • NPI issued2026 · 99% of these records are older, 0% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2025 · median 2014 among the 816 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Washington

There are 1,181 certified registered nurse anesthetist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,181 in Washington → Every provider in Seattle → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Joanna Blondeau, CRNASeattle, WA 981041417943341
  2. Joseph ChapmanSeattle, WA 981041275501918
  3. Sandra Corliss, CRNASeattle, WA 981041700830965
  4. James Erdman, CRNASeattle, WA 981041770537391
  5. Hilary Grant, CRNASeattle, WA 981041205874492
  6. Jana GreenSeattle, WA 981041295750370
  7. Paul Kammer, CRNASeattle, WA 981041528006723
  8. Meg Larance, CRNASeattle, WA 981041750466926

Common questions

What is Arissa Merlan, CRNA's NPI number?

Arissa Merlan, CRNA's National Provider Identifier (NPI) is 1417898545, issued on Apr 2, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Arissa Merlan, CRNA located?

The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Arissa Merlan, CRNA's license?

NPPES lists Washington license number ARNP.AP.70117684-CRN, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.