NPPES file of Aug 9, 2026

Katherine A. C. Day

Naturopath · Mill Creek, WA

Katherine A. C. Day is a naturopath with a practice address in Mill Creek, Washington, and NPI 1023555216, issued on Jan 25, 2017. Check the license (Washington NT 60691182, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023555216
Name
Katherine A. C. Day
Primary taxonomy
Naturopath 175F00000X
License number
NT 60691182 WA
Self-reported in NPPES; status is on the state search
Practice location
16030 Bothell Everett Hwy, Mill Creek, WA 98012
Phone
(425) 286-8803
Enumerated
Jan 25, 2017
Record last updated
Jan 25, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(866) 394-3445
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 16030 Bothell Everett Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Herman Castaneda, D.D.Denturist1811137813
  2. Barbara Couvrette, PTPediatric Physical Therapist1528384203
  3. Janine Czerniecki, PT OTPediatric Occupational Therapist1033273115
  4. Jennifer Flood, L.M.P.Massage Therapist1417146341
  5. Julie Foos, L.M.P.Massage Therapist1518155514
  6. Lisa Frahm, P.T.Physical Therapist1073660460

Verify Katherine A. C. Day in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license NT 60691182    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Naturopath providers in Washington

There are 1,532 naturopath records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,532 in Washington → Every provider in Mill Creek →

Other naturopath records in Washington

  1. Candace Aasan, N.D.Kirkland, WA1265598353
  2. Hilliary Abbott, NDLynnwood, WA1477331387
  3. Rhea Abbott, NDRedmond, WA1245652346
  4. Zakiyyah Abdul-Azeem, NDEverett, WA1063261816
  5. Justin Abitua, ND, LACSpokane, WA1235590720
  6. Marianna Abrams, N.D.Seattle, WA1497987754
  7. Kristen Acesta, NDCashmere, WA1255769253
  8. Sarah Acosta Smith, NDBrewster, WA1437298502
  9. Laura Adair, NDKirkland, WA1669194478
  10. Suzanne Adams, N.D.Olympia, WA1700944683

Common questions

What is Katherine A. C. Day's NPI number?

Katherine A. C. Day's National Provider Identifier (NPI) is 1023555216, issued on Jan 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katherine A. C. Day located?

The NPPES record lists a practice address at 16030 Bothell Everett Hwy, Mill Creek, WA, 98012. Phone: (425) 286-8803. Providers update this record themselves, so call before visiting.

How can I verify Katherine A. C. Day's license?

NPPES lists Washington license number NT 60691182, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.