Mark Joseph Lamden, N.D.
Naturopath · Seattle, WA
Mark Joseph Lamden, N.D. is a naturopath with a practice address in Seattle, Washington, and NPI 1285658096, issued on Jul 26, 2006. Check the license (Washington NT00000522, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Joseph Lamden
- Credential
- N.D.
- Primary taxonomy
- Naturopath 175F00000X
- License numbers
- NT00000522 WA
522 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3670 Stone Way N Ste N271, Seattle, WA 98103
- Phone
- (206) 834-4100
- Enumerated
- Jul 26, 2006
- Record last updated
- Mar 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (206) 834-4131
- Medicaid ID
- 2042303 WA
- Entity
- Type 1 · individual
8 nearest naturopath records → All 1,532 in Washington → Look up another NPI →
Also registered at 3670 Stone Way N Ste N271
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Joseph Lamden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license NT00000522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average naturopath in 2024
29 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.
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.
Mark Joseph Lamden among 1,532 naturopath records in Washington
Mark Joseph Lamden, N.D. 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 92% 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 updated2018 · 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).
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 1,532 in Washington → Every provider in Seattle → Naturopath nationwide →
The 8 naturopath records with the nearest ZIP codes
- Ryan Bradley, N.D.Seattle, WA 981031619965753
- Debra Brammer, NDSeattle, WA 981031922145697
- Sean Congdon, N.D.Seattle, WA 981031659428779
- Christian Dodge, NDSeattle, WA 981031407951387
- Tamara Evans, NDSeattle, WA 981031720158249
- Mary Guiltinan, NDSeattle, WA 981031366581001
- Christina Gutierrez, ND, LMSeattle, WA 981031841391901
- John Hibbs, NDSeattle, WA 981031619017266
Common questions
What is Mark Joseph Lamden, N.D.'s NPI number?
Mark Joseph Lamden, N.D.'s National Provider Identifier (NPI) is 1285658096, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Joseph Lamden, N.D. located?
The NPPES record lists a practice address at 3670 Stone Way N Ste N271, Seattle, WA, 98103. Phone: (206) 834-4100. Providers update this record themselves, so call before visiting.
How can I verify Mark Joseph Lamden, N.D.'s license?
NPPES lists Washington license number NT00000522, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Joseph Lamden, N.D. prescribe under Medicare Part D?
In 2024, Mark Joseph Lamden, N.D. had 29 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.