NPPES file of Aug 9, 2026

Heidi Semanie, ND

Naturopath · Woodinville, WA

Heidi Semanie, ND is a naturopath with a practice address in Woodinville, Washington, and NPI 1386988947, issued on Nov 20, 2012. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386988947
Name
Heidi Semanie
Credential
ND
Primary taxonomy
Naturopath 175F00000X
License number
ND230 HI
Self-reported in NPPES; status is on the state search
Practice location
15610 NE Woodinville Duvall RD Ste 108, Woodinville, WA 98072
Phone
(425) 489-5900
Enumerated
Nov 20, 2012
Record last updated
Jun 20, 2016 (not updated in 10 years: call before relying on the address or phone)
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 15610 NE Woodinville Duvall RD Ste 108

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

  1. Cassandra Colin, LMTMassage Therapist1790431856
  2. Katelyn KiefferMassage Therapist1407124399
  3. Eric Vanostrand, LMPMassage Therapist1801263363

Verify Heidi Semanie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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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83% fewer Medicare Part D claims than the average naturopath in 2024

18 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.

  1. Heidi Semanie18
  2. Specialty average109

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Heidi Semanie among 1,532 naturopath records in Washington

Heidi Semanie, ND is one of 1,532 naturopath records with a practice address in Washington. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 45% of them.

  • NPI issued2012 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 35% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 naturopath records list a practice address in Woodinville

They are 22 of the 548 NPPES records with a practice address in Woodinville, and 1,532 naturopath records in Washington.

The 8 naturopath records with the nearest ZIP codes

  1. Allison Apfelbaum, N.D.Woodinville, WA 980721558774059
  2. Sarah Carnes, NDWoodinville, WA 980721316342462
  3. Katherine Dahlgren, N.D.Woodinville, WA 980721114186046
  4. Shannon Hirst, NDWoodinville, WA 980721316126667
  5. Allison Hofmann, N.D.Woodinville, WA 980721417383068
  6. Keyanoosh Khorami, N.D.Woodinville, WA 980721225216369
  7. Colleen Knight, N.D.Woodinville, WA 980721023244720
  8. Maegan Knutson, NDWoodinville, WA 980721255512893

Common questions

What is Heidi Semanie, ND's NPI number?

Heidi Semanie, ND's National Provider Identifier (NPI) is 1386988947, issued on Nov 20, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Semanie, ND located?

The NPPES record lists a practice address at 15610 NE Woodinville Duvall RD Ste 108, Woodinville, WA, 98072. Phone: (425) 489-5900. Providers update this record themselves, so call before visiting.

How can I verify Heidi Semanie, ND's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Heidi Semanie, ND prescribe under Medicare Part D?

In 2024, Heidi Semanie, ND had 18 Medicare Part D claims; the average among naturopath prescribers was 109. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.