NPPES file of Aug 9, 2026

Michael R. Larson, N.D.,D.C.,LA.C

Naturopath · Carnation, WA

Michael R. Larson, N.D.,D.C.,LA.C is a naturopath with a practice address in Carnation, Washington, and NPI 1457652869, issued on Nov 16, 2010. Check the license (Washington NT 00000534, as entered in NPPES) 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
1457652869
Name
Michael R. Larson
Credential
N.D.,D.C.,LA.C
Primary taxonomy
Naturopath 175F00000X
License numbers
NT 00000534 WA
AC 00000398 WA
CH 00000712 WA
Self-reported in NPPES; status is on the state search
Practice location
9316 Carnation Duvall RD NE, Carnation, WA 98014
Phone
(206) 679-1957
Enumerated
Nov 16, 2010
Record last updated
Nov 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(425) 788-3831
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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Verify Michael R. Larson 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 00000534
    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
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88% fewer Medicare Part D claims than the average naturopath in 2024

13 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Larson13
  2. Specialty average109

Most prescribed

  1. Sertraline Hcl12 claims

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.

4 naturopath records list a practice address in Carnation

They are 4 of the 53 NPPES records with a practice address in Carnation, and 1,532 naturopath records in Washington.

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 Michael R. Larson, N.D.,D.C.,LA.C's NPI number?

Michael R. Larson, N.D.,D.C.,LA.C's National Provider Identifier (NPI) is 1457652869, issued on Nov 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Michael R. Larson, N.D.,D.C.,LA.C located?

The NPPES record lists a practice address at 9316 Carnation Duvall RD NE, Carnation, WA, 98014. Phone: (206) 679-1957. Providers update this record themselves, so call before visiting.

How can I verify Michael R. Larson, N.D.,D.C.,LA.C's license?

NPPES lists Washington license number NT 00000534, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Michael R. Larson, N.D.,D.C.,LA.C prescribe under Medicare Part D?

In 2024, Michael R. Larson, N.D.,D.C.,LA.C had 13 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.