Margaret Siemer, OTR/L; CLT
NPI 1184655490 · Hand Occupational Therapist · Lake Stevens, WA
Margaret Siemer, OTR/L; CLT is a Hand Occupational Therapist provider in Lake Stevens, WA (NPI 1184655490).
Provider details
- NPI number
- 1184655490
- Entity type
- Individual
- Primary specialty
- Hand Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L; CLT
- Sex
- Female
- Sole proprietor
- No
- License
- OT 6976 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
19 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
- 2006-07-05
- Last updated
- 2015-04-21
Frequently asked questions
- What is Margaret Siemer's NPI number?
- Margaret Siemer's National Provider Identifier (NPI) is 1184655490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Siemer's specialty?
- Margaret Siemer is listed in the NPPES registry with a primary specialty of Hand Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Margaret Siemer located?
- Margaret Siemer's practice location on file with NPPES is 9514 4th St Ne, Lake Stevens, WA 98258-1937.
- What is Margaret Siemer's phone number?
- The practice phone number listed in the NPPES registry for Margaret Siemer is (425) 397-2327.
- Is Margaret Siemer's NPI active?
- Yes — Margaret Siemer's NPI (1184655490) is active in the NPPES registry as of the last update on 2015-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.