Sara Siwanowicz, CRNA
NPI 1760447908 · Certified Registered Nurse Anesthetist · Vancouver, WA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Siwanowicz, CRNA is a Certified Registered Nurse Anesthetist provider in Vancouver, WA (NPI 1760447908).
Provider details
- NPI number
- 1760447908
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN00158602 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2017-03-08
Frequently asked questions
- What is Sara Siwanowicz's NPI number?
- Sara Siwanowicz's National Provider Identifier (NPI) is 1760447908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Siwanowicz's specialty?
- Sara Siwanowicz is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sara Siwanowicz located?
- Sara Siwanowicz's practice location on file with NPPES is 400 Ne Mother Joseph Pl, Vancouver, WA 98664-3200.
- What is Sara Siwanowicz's phone number?
- The practice phone number listed in the NPPES registry for Sara Siwanowicz is (360) 828-5396.
- Does Sara Siwanowicz accept Medicare?
- Sara Siwanowicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Siwanowicz's NPI active?
- Yes — Sara Siwanowicz's NPI (1760447908) is active in the NPPES registry as of the last update on 2017-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.