NPPES file of Aug 9, 2026

Tiffany Leeann Althaus, ND

Naturopath · Issaquah, WA

Tiffany Leeann Althaus, ND is a naturopath with a practice address in Issaquah, Washington, and NPI 1437681756, issued on Mar 28, 2017. Check the license (Washington NT60751626, 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
1437681756
Name
Tiffany Leeann Althaus
Credential
ND
Primary taxonomy
Naturopath 175F00000X
License number
NT60751626 WA
Self-reported in NPPES; status is on the state search
Practice location
450 NW Gilman Blvd Ste 201, Issaquah, WA 98027
Phone
(206) 310-9070
Enumerated
Mar 28, 2017
Record last updated
Apr 24, 2017 (not updated in 9 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 450 NW Gilman Blvd Ste 201

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

  1. Amanda Andrus, MSNutritionist1003522947
  2. Aimee Blier, NDNaturopath1700608874
  3. Tessa Brydon-Yelton, DIPL.OMAcupuncturist1962263434
  4. Jaime CloydNaturopath1295386589
  5. David Ege, MDPediatrics Physician1295916559
  6. Anna Flies, L.ACAcupuncturist1972027340

Verify Tiffany Leeann Althaus 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 NT60751626
    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

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24% more Medicare Part D claims than the average naturopath in 2024

135 Medicare Part D claims for 14 beneficiaries, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.

  1. Tiffany Althaus135
  2. Specialty average109

Most prescribed

  1. Progesterone24 claims
  2. Levothyroxine Sodium18 claims
  3. Liothyronine Sodium18 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.

Tiffany Leeann Althaus among 1,532 naturopath records in Washington

Tiffany Leeann Althaus, 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 2017, is newer than 68% of them.

  • NPI issued2017 · 68% of these records are older, 28% 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 updated2017 · 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 Issaquah

They are 22 of the 1,727 NPPES records with a practice address in Issaquah, and 1,532 naturopath records in Washington.

The 8 naturopath records with the nearest ZIP codes

  1. Alexandria Easter, N.D.Issaquah, WA 980271548311962
  2. Jill Ghormley, NDIssaquah, WA 980271710136379
  3. Steven Macpherson, NDIssaquah, WA 980271548476500
  4. Katja Magus, N.D.Issaquah, WA 980271407092869
  5. Patricia Mullen, NDIssaquah, WA 980271104046184
  6. Summer Nowicki, N.D.Issaquah, WA 980271932231222
  7. Mary Riley, NDIssaquah, WA 980271609920453
  8. Eric Semsak, NDIssaquah, WA 980271083940050

Common questions

What is Tiffany Leeann Althaus, ND's NPI number?

Tiffany Leeann Althaus, ND's National Provider Identifier (NPI) is 1437681756, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Leeann Althaus, ND located?

The NPPES record lists a practice address at 450 NW Gilman Blvd Ste 201, Issaquah, WA, 98027. Phone: (206) 310-9070. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Leeann Althaus, ND's license?

NPPES lists Washington license number NT60751626, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Tiffany Leeann Althaus, ND prescribe under Medicare Part D?

In 2024, Tiffany Leeann Althaus, ND had 135 Medicare Part D claims for 14 beneficiaries; 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.