What is Mary Angell Tiedemann's NPI number?

Mary Angell Tiedemann's National Provider Identifier (NPI) is 1841742129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Angell Tiedemann's specialty?

Mary Angell Tiedemann is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Mary Angell Tiedemann located?

Mary Angell Tiedemann's practice location on file with NPPES is 505 Cedar Ave Ste B1, Marysville, WA 98270-4561.

What is Mary Angell Tiedemann's phone number?

The practice phone number listed in the NPPES registry for Mary Angell Tiedemann is (425) 405-0837.

Is Mary Angell Tiedemann's NPI active?

Yes — Mary Angell Tiedemann's NPI (1841742129) is active in the NPPES registry as of the last update on 2023-11-20.

IndividualActive

Mary Angell Tiedemann, MS CCC SLP

NPI 1841742129 · Speech-Language Pathologist · Marysville, WA

Mary Angell Tiedemann, MS CCC SLP is a Speech-Language Pathologist provider in Marysville, WA (NPI 1841742129).

Provider details

NPI number: 1841742129
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: MS CCC SLP
Sex: Female
Sole proprietor: Yes
License: 01264L (MD)

Practice location

505 Cedar Ave Ste B1

Marysville, WA 98270-4561

Phone: (425) 405-0837

Fax: (425) 382-2146

Street-level locationGet directions

More WA providers

Mailing address

10119 5th Pl Se

Lake Stevens, WA 98258-1931

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense 61471998 (WA)
Speech, Language and Hearing Service Providers
Speech-Language Pathologist235Z00000XLicense 01264L (MD)
Speech, Language and Hearing Service Providers

Profile Score

Established profile(72/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
10 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.

Enumerated: 2016-11-02
Last updated: 2023-11-20
Certified: 2023-11-20

Frequently asked questions

What is Mary Angell Tiedemann's NPI number?: Mary Angell Tiedemann's National Provider Identifier (NPI) is 1841742129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Angell Tiedemann's specialty?: Mary Angell Tiedemann is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
Where is Mary Angell Tiedemann located?: Mary Angell Tiedemann's practice location on file with NPPES is 505 Cedar Ave Ste B1, Marysville, WA 98270-4561.
What is Mary Angell Tiedemann's phone number?: The practice phone number listed in the NPPES registry for Mary Angell Tiedemann is (425) 405-0837.
Is Mary Angell Tiedemann's NPI active?: Yes — Mary Angell Tiedemann's NPI (1841742129) is active in the NPPES registry as of the last update on 2023-11-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions