IndividualActive
Katherine Day
NPI 1023555216 · Naturopath · Mill Creek, WA
Katherine Day is a Naturopath provider in Mill Creek, WA (NPI 1023555216).
Provider details
- NPI number
- 1023555216
- Entity type
- Individual
- Primary specialty
- NaturopathOther Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- NT 60691182 (WA)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
16030 Bothell Everett Hwy
Suite 220
Mill Creek, WA 98012-1741
Phone: (425) 286-8803
Fax: (866) 394-3445
Street-level locationGet directions
Mailing address
16030 Bothell Everett Hwy
Mill Creek, WA 98012-1741
Registry dates
- Enumerated
- 2017-01-25
- Last updated
- 2017-01-25
Frequently asked questions
- What is Katherine Day's NPI number?
- Katherine Day's National Provider Identifier (NPI) is 1023555216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Day's specialty?
- Katherine Day is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).
- Where is Katherine Day located?
- Katherine Day's practice location on file with NPPES is 16030 Bothell Everett Hwy, Mill Creek, WA 98012-1741.
- What is Katherine Day's phone number?
- The practice phone number listed in the NPPES registry for Katherine Day is (425) 286-8803.
- Is Katherine Day's NPI active?
- Yes — Katherine Day's NPI (1023555216) is active in the NPPES registry as of the last update on 2017-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.