William Iwen, PT
NPI 1407100365 · Physical Therapist · Burien, WA
William Iwen, PT is a Physical Therapist provider in Burien, WA (NPI 1407100365).
Provider details
- NPI number
- 1407100365
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- No
- License
- PT00002139 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-10-30
- Last updated
- 2012-10-30
Frequently asked questions
- What is William Iwen's NPI number?
- William Iwen's National Provider Identifier (NPI) is 1407100365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Iwen's specialty?
- William Iwen is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Iwen located?
- William Iwen's practice location on file with NPPES is 15675 Ambaum Blvd Sw, Burien, WA 98166-2523.
- What is William Iwen's phone number?
- The practice phone number listed in the NPPES registry for William Iwen is (206) 433-2415.
- Is William Iwen's NPI active?
- Yes — William Iwen's NPI (1407100365) is active in the NPPES registry as of the last update on 2012-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.