Katherine Slack
NPI 1649111642 · Student in an Organized Health Care Education/Training Program · Seattle, WA
Katherine Slack is a Student in an Organized Health Care Education/Training Program provider in Seattle, WA (NPI 1649111642).
Provider details
- NPI number
- 1649111642
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-04-03
- Last updated
- 2026-04-03
- Certified
- 2026-04-02
Frequently asked questions
- What is Katherine Slack's NPI number?
- Katherine Slack's National Provider Identifier (NPI) is 1649111642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Slack's specialty?
- Katherine Slack is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Katherine Slack located?
- Katherine Slack's practice location on file with NPPES is 925 Seneca St, Seattle, WA 98101-2742.
- What is Katherine Slack's phone number?
- The practice phone number listed in the NPPES registry for Katherine Slack is (206) 624-1144.
- Is Katherine Slack's NPI active?
- Yes — Katherine Slack's NPI (1649111642) is active in the NPPES registry as of the last update on 2026-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.