William Iwen, PT
Physical Therapist · Burien, WA
William Iwen, PT is a physical therapist with a practice address in Burien, Washington, and NPI 1407100365, issued on Oct 30, 2012. Check the license (Washington PT00002139, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Iwen
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT00002139 WA
Self-reported in NPPES; status is on the state search - Practice location
- 15675 Ambaum Blvd SW, Burien, WA 98166
- Phone
- (206) 433-2415
- Enumerated
- Oct 30, 2012
- Record last updated
- Oct 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 7,493 in Washington → Look up another NPI →
Also registered at 15675 Ambaum Blvd SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Iwen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PT00002139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Iwen among 7,493 physical therapist records in Washington
William Iwen, PT is one of 7,493 physical therapist records with a practice address in Washington. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 43% of them.
- NPI issued2012 · 43% of these records are older, 53% newer
- In a Medicare fileNo · 38% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 physical therapist records list a practice address in Burien
They are 45 of the 1,342 NPPES records with a practice address in Burien, and 7,493 physical therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,493 in Washington → Every provider in Burien → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Andelee Baker, PTBurien, WA 981661871537811
- Leslie Bartram, DPTBurien, WA 981661528313905
- Michael Blackledge, DPTBurien, WA 981661053856070
- Lillian Caplon, D.P.T.Burien, WA 981661619006608
- Sherryl Devries, MSPTBurien, WA 981661588706857
- Maria Garvey-Caruso, DPTBurien, WA 981661497163778
- Cathleen Jessup, P.T.Burien, WA 981661982894002
- Daniel Kam, PTBurien, WA 981661639168347
Common questions
What is William Iwen, PT's NPI number?
William Iwen, PT's National Provider Identifier (NPI) is 1407100365, issued on Oct 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Iwen, PT located?
The NPPES record lists a practice address at 15675 Ambaum Blvd SW, Burien, WA, 98166. Phone: (206) 433-2415. Providers update this record themselves, so call before visiting.
How can I verify William Iwen, PT's license?
NPPES lists Washington license number PT00002139, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.