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

Sara F. Siwanowicz, CRNA

Individual provider Registered Nurse · NPI 1760447908

Sara F. Siwanowicz, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Vancouver, Washington. Qualified in 2005, 21 years ago. Practices with Columbia Anesthesia Group P S, a 71-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
21
Licensed in
WA
In the registry since
2006
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

400 NE Mother Joseph Pl
Vancouver, WA 98664-3200
Phone: (360) 828-5396
Fax: (360) 828-5455
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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 AP30007036 (WA)
Registered Nurse Taxonomy 163W00000X · Licence RN00158602 (WA)

Record details

NPI number1760447908
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorYes
NPI enumeratedApril 19, 2006
Last updated in NPPESMarch 8, 2017

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Columbia Anesthesia Group P S — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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