Mary Siemsen, M.S.
NPI 1215289285 · Speech-Language Pathologist · Newport, WA
Mary Siemsen, M.S. is a Speech-Language Pathologist provider in Newport, WA (NPI 1215289285).
Provider details
- NPI number
- 1215289285
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S.
- Sex
- Female
- Sole proprietor
- No
- License
- LL 00004630 (WA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-10-15
- Last updated
- 2012-10-15
Frequently asked questions
- What is Mary Siemsen's NPI number?
- Mary Siemsen's National Provider Identifier (NPI) is 1215289285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Siemsen's specialty?
- Mary Siemsen is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mary Siemsen located?
- Mary Siemsen's practice location on file with NPPES is 1201 W. 5th Street, Newport, WA 99156.
- What is Mary Siemsen's phone number?
- The practice phone number listed in the NPPES registry for Mary Siemsen is (509) 671-2817.
- Is Mary Siemsen's NPI active?
- Yes — Mary Siemsen's NPI (1215289285) is active in the NPPES registry as of the last update on 2012-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.