Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Arissa Merlan, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1417898545

Arissa Merlan, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Seattle, Washington. Qualified in 2025, 1 year ago. Licensed in Washington.

Years since qualifying
1
Licensed in
WA
In the registry since
2026
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 520-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence ARNP.AP.70117684-CRN (WA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN.RN.70106732.MSL (WA)

Record details

NPI number1417898545
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedApril 2, 2026
Last updated in NPPESJune 24, 2026
Certification dateJune 24, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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