Michael Horswill
Massage Therapist · Vashon, WA
Michael Horswill is a massage therapist with a practice address in Vashon, Washington, and NPI 1649486549, issued on May 15, 2007. Check the license (Washington MA00014362, 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
- Michael Horswill
- Primary taxonomy
- Massage Therapist 225700000X
- License number
- MA00014362 WA
Self-reported in NPPES; status is on the state search - Practice location
- 17232 Vashon Highway SW, Vashon, WA 98070
- Phone
- (206) 463-5739
- Enumerated
- May 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (206) 463-5739
- Entity
- Type 1 · individual
8 nearest massage therapist records → All 13,143 in Washington → Look up another NPI →
Verify Michael Horswill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license MA00014362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Horswill among 13,143 massage therapist records in Washington
Michael Horswill is one of 13,143 massage therapist records with a practice address in Washington. under 1% 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 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 81% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225700000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 massage therapist records list a practice address in Vashon
They are 32 of the 218 NPPES records with a practice address in Vashon, and 13,143 massage therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,143 in Washington → Every provider in Vashon → Massage Therapist nationwide →
The 8 massage therapist records with the nearest ZIP codes
- Irene Alexander, LMPVashon, WA 980701518134865
- Kyle Britz, LMPVashon, WA 980701679804264
- Kim Curry, LMPVashon, WA 980701417090333
- Tai Elgar, LMPVashon, WA 980701386953883
- Dari Haffie, LMPVashon, WA 980701164738779
- Alyce Kellogg, LMTVashon, WA 980701689979536
- Sandy MatthewsVashon, WA 980701831470848
- Diane NewbyVashon, WA 980701952578239
Common questions
What is Michael Horswill's NPI number?
Michael Horswill's National Provider Identifier (NPI) is 1649486549, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Horswill located?
The NPPES record lists a practice address at 17232 Vashon Highway SW, Vashon, WA, 98070. Phone: (206) 463-5739. Providers update this record themselves, so call before visiting.
How can I verify Michael Horswill's license?
NPPES lists Washington license number MA00014362, 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.