Margaret Flack
NPI 1811539869 · Occupational Therapist · Seattle, WA
Margaret Flack is a Occupational Therapist provider in Seattle, WA (NPI 1811539869).
Provider details
- NPI number
- 1811539869
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 60871209 (WA)
Specialties & taxonomies
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
6 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
- 2019-10-10
- Last updated
- 2023-10-24
- Certified
- 2023-10-24
Frequently asked questions
- What is Margaret Flack's NPI number?
- Margaret Flack's National Provider Identifier (NPI) is 1811539869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Flack's specialty?
- Margaret Flack is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Margaret Flack located?
- Margaret Flack's practice location on file with NPPES is 908 Jefferson St Fl 6, Seattle, WA 98104-2433.
- What is Margaret Flack's phone number?
- The practice phone number listed in the NPPES registry for Margaret Flack is (206) 520-5000.
- Is Margaret Flack's NPI active?
- Yes — Margaret Flack's NPI (1811539869) is active in the NPPES registry as of the last update on 2023-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.