Nancy J. Mercer, ND
Naturopath · Seattle, WA
Nancy J. Mercer, ND is a naturopath with a practice address in Seattle, Washington, and NPI 1407985195, issued on Mar 5, 2007. Check the license (Washington NT00000576, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy J. Mercer
- Credential
- ND
- Primary taxonomy
- Naturopath 175F00000X
- License number
- NT00000576 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3670 Stone Way N., Seattle, WA 98103
- Phone
- (206) 834-4100
- Enumerated
- Mar 5, 2007
- Record last updated
- Mar 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (206) 834-4131
- Entity
- Type 1 · individual
Also registered at 3670 Stone Way N.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janna Rome, MS, LACAcupuncturist1982934170
Verify Nancy J. Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license NT00000576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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. Brand-name drugs were 83% of claims.
Most prescribed
- Levothyroxine Sodium13 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.
526 naturopath records list a practice address in Seattle
They are 526 of the 41,956 NPPES records with a practice address in Seattle, and 1,532 naturopath records in Washington.
All 526 in Seattle → All 1,532 in Washington → Every provider in Seattle →
Other naturopath records in Washington
- Candace Aasan, N.D.Kirkland, WA1265598353
- Hilliary Abbott, NDLynnwood, WA1477331387
- Rhea Abbott, NDRedmond, WA1245652346
- Zakiyyah Abdul-Azeem, NDEverett, WA1063261816
- Justin Abitua, ND, LACSpokane, WA1235590720
- Marianna Abrams, N.D.Seattle, WA1497987754
- Kristen Acesta, NDCashmere, WA1255769253
- Sarah Acosta Smith, NDBrewster, WA1437298502
- Laura Adair, NDKirkland, WA1669194478
- Suzanne Adams, N.D.Olympia, WA1700944683
Common questions
What is Nancy J. Mercer, ND's NPI number?
Nancy J. Mercer, ND's National Provider Identifier (NPI) is 1407985195, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy J. Mercer, ND located?
The NPPES record lists a practice address at 3670 Stone Way N., Seattle, WA, 98103. Phone: (206) 834-4100. Providers update this record themselves, so call before visiting.
How can I verify Nancy J. Mercer, ND's license?
NPPES lists Washington license number NT00000576, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy J. Mercer, ND prescribe under Medicare Part D?
In 2024, Nancy J. Mercer, 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.