Kay Duff
NPI 1316254758 · Addiction (Substance Use Disorder) Counselor · Everett, WA
Kay Duff is a Addiction (Substance Use Disorder) Counselor provider in Everett, WA (NPI 1316254758).
Provider details
- NPI number
- 1316254758
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- C060163539 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-09-07
- Last updated
- 2010-09-07
Frequently asked questions
- What is Kay Duff's NPI number?
- Kay Duff's National Provider Identifier (NPI) is 1316254758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kay Duff's specialty?
- Kay Duff is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Kay Duff located?
- Kay Duff's practice location on file with NPPES is 2610 Wetmore Ave, Everett, WA 98201-2927.
- What is Kay Duff's phone number?
- The practice phone number listed in the NPPES registry for Kay Duff is (425) 258-5270.
- Is Kay Duff's NPI active?
- Yes — Kay Duff's NPI (1316254758) is active in the NPPES registry as of the last update on 2010-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.