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Alphonse Mysiewicz, R.N.
NPI 1134455546 · Registered Nurse · Seattle, WA
Alphonse Mysiewicz, R.N. is a Registered Nurse provider in Seattle, WA (NPI 1134455546).
Provider details
- NPI number
- 1134455546
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN00103964 (WA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
2200 6th Ave
Suite 828
Seattle, WA 98121-1896
Phone: (206) 448-3255
Fax: (800) 882-7527
Street-level locationGet directions
Mailing address
5808 17th Ave Nw
Seattle, WA 98107-3012
Registry dates
- Enumerated
- 2009-10-20
- Last updated
- 2009-10-20
Frequently asked questions
- What is Alphonse Mysiewicz's NPI number?
- Alphonse Mysiewicz's National Provider Identifier (NPI) is 1134455546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alphonse Mysiewicz's specialty?
- Alphonse Mysiewicz is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Alphonse Mysiewicz located?
- Alphonse Mysiewicz's practice location on file with NPPES is 2200 6th Ave, Seattle, WA 98121-1896.
- What is Alphonse Mysiewicz's phone number?
- The practice phone number listed in the NPPES registry for Alphonse Mysiewicz is (206) 448-3255.
- Is Alphonse Mysiewicz's NPI active?
- Yes — Alphonse Mysiewicz's NPI (1134455546) is active in the NPPES registry as of the last update on 2009-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.