Helen Louise Guenther
Occupational Therapy Assistant · Federal Way, WA
Helen Louise Guenther is an occupational therapy assistant with a practice address in Federal Way, Washington, and NPI 1609121532, issued on Jul 17, 2012. Check the license (Washington OC60283911, 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
- Helen Louise Guenther
- Primary taxonomy
- Occupational Therapy Assistant 224Z00000X
- License number
- OC60283911 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 S 336TH St, Federal Way, WA 98003
- Phone
- (866) 835-8091
- Enumerated
- Jul 17, 2012
- Record last updated
- Jul 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapy assistant records → All 806 in Washington → Look up another NPI →
Also registered at 1010 S 336TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Acheson, PTAPhysical Therapy Assistant1154609451
- Lisa AgardPhysical Therapy Assistant1740556224
- Ragen Agler, DPT, ATCPhysical Therapist1447476171
- Angelica Anderson, PTPhysical Therapist1811238645
- Tracy Arndt, D.P.TPhysical Therapist1508137357
- Ann AvilaPhysical Therapy Assistant1114207404
Verify Helen Louise Guenther in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OC60283911Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Helen Louise Guenther among 806 occupational therapy assistant records in Washington
Helen Louise Guenther is one of 806 occupational therapy assistant records with a practice address in Washington. 0% 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 18% of them.
- NPI issued2012 · 18% of these records are older, 75% newer
- In a Medicare fileNo · 0% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2012 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 224Z00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 occupational therapy assistant records list a practice address in Federal Way
They are 40 of the 2,770 NPPES records with a practice address in Federal Way, and 806 occupational therapy assistant records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 806 in Washington → Every provider in Federal Way → Occupational Therapy Assistant nationwide →
The 8 occupational therapy assistant records with the nearest ZIP codes
- Melinda Bortolazzo, COTA/LFederal Way, WA 980031356620306
- Chris BounsiseyFederal Way, WA 980031184833089
- Linda Christensen, COTA/LFederal Way, WA 980031154602415
- Paula Christy, COTAFederal Way, WA 980031386866150
- Holly Frattaroli, COTA/LFederal Way, WA 980031003198490
- Ann Glore, COTAFederal Way, WA 980031255543237
- Mark Greer, OC00001273Federal Way, WA 980031144509977
- Curtis Hendrickson, COTA/LFederal Way, WA 980031912282807
Common questions
What is Helen Louise Guenther's NPI number?
Helen Louise Guenther's National Provider Identifier (NPI) is 1609121532, issued on Jul 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Helen Louise Guenther located?
The NPPES record lists a practice address at 1010 S 336TH St, Federal Way, WA, 98003. Phone: (866) 835-8091. Providers update this record themselves, so call before visiting.
How can I verify Helen Louise Guenther's license?
NPPES lists Washington license number OC60283911, 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.