Margaret Grace Siemer, OTR/L; CLT
Hand Occupational Therapist · Lake Stevens, WA
Margaret Grace Siemer, OTR/L; CLT is a hand occupational therapist with a practice address in Lake Stevens, Washington, and NPI 1184655490, issued on Jul 5, 2006. Check the license (Washington OT00004496, 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
- Margaret Grace Siemer
- Credential
- OTR/L; CLT
- Primary taxonomy
- Hand Occupational Therapist 225XH1200X
- License numbers
- OT00004496 WA
OT 6976 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9514 4TH St NE, Lake Stevens, WA 98258
- Phone
- (425) 397-2327
- Enumerated
- Jul 5, 2006
- Record last updated
- Apr 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (425) 377-0283
- Entity
- Type 1 · individual
Also registered at 9514 4TH St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtney Bennett, D.P.T.Physical Therapist1508159492
- Alexis Boglivi, OTR/LOccupational Therapist1770437444
- Brittany Cornell, COTA/LOccupational Therapy Assistant1033500681
- Robert Fankhauser, PTPhysical Therapist1689715757
- Kevin Graham, PTPhysical Therapist1205977386
- Keith Klein, PTPhysical Therapist1669513743
Verify Margaret Grace Siemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OT00004496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hand Occupational Therapist providers in Washington
There are 144 hand occupational therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other hand occupational therapist records in Washington
- Katie Adkins, OTRSpokane Valley, WA1548014764
- Tracy Aiello, OTRVancouver, WA1629137716
- Jennifer Allen, OTR/LVancouver, WA1235395252
- Allegra Andersen, OTEdmonds, WA1760589238
- Beverly Andersen, OTRL,CHTBurien, WA1144284324
- Kerri Arenholz, OTRSeattle, WA1780607424
- Sharon Assink, OTR/L,CHTLynden, WA1174602122
- Constance Ballou, OTR/L CHTKirkland, WA1710016845
- Nicole BarishEverett, WA1245831023
- Alex Bartl, OTBellingham, WA1164501268
Common questions
What is Margaret Grace Siemer, OTR/L; CLT's NPI number?
Margaret Grace Siemer, OTR/L; CLT's National Provider Identifier (NPI) is 1184655490, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Grace Siemer, OTR/L; CLT located?
The NPPES record lists a practice address at 9514 4TH St NE, Lake Stevens, WA, 98258. Phone: (425) 397-2327. Providers update this record themselves, so call before visiting.
How can I verify Margaret Grace Siemer, OTR/L; CLT's license?
NPPES lists Washington license number OT00004496, 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.