NPPES file of Aug 9, 2026

Katharine Ersing, ND

Naturopath · Seatac, WA

Katharine Ersing, ND is a naturopath with a practice address in Seatac, Washington, and NPI 1184352601, issued on Aug 11, 2022. Check the license (Washington NT61357025, 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
1184352601
Name
Katharine Ersing
Credential
ND
Primary taxonomy
Naturopath 175F00000X
License number
NT61357025 WA
Self-reported in NPPES; status is on the state search
Practice location
4040 S 188TH St Ste 201, Seatac, WA 98188
Phone
(206) 277-7200
Enumerated
Aug 11, 2022
Record last updated
Nov 27, 2024
Fax
(206) 277-7202
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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8 nearest naturopath records → All 1,532 in Washington → Look up another NPI →

Also registered at 4040 S 188TH St Ste 201

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

  1. Zafina AhsanPsychologist1285211235
  2. Molly Anderson, M.D.Family Medicine Physician1275776080
  3. Lauryn Bergert, MA, QMHPCounselor1205514924
  4. Kim Chi Cheuck, MDFamily Medicine Physician1811484702
  5. Mariah Corey, PHDPsychologist1942028386
  6. Don Davis, M.D.Family Medicine Physician1104358662

Verify Katharine Ersing 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 NT61357025    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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53% fewer Medicare Part D claims than the average naturopath in 2024

51 Medicare Part D claims for 22 beneficiaries, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.

  1. Katharine Ersing51
  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.

Katharine Ersing among 1,532 naturopath records in Washington

Katharine Ersing, 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 2022, is newer than 89% of them.

  • NPI issued2022 · 89% of these records are older, 8% 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 updated2024 · 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).

Naturopath providers in Washington

There are 1,532 naturopath records in Washington.

All 1,532 in Washington → Every provider in Seatac → Naturopath nationwide →

The 8 naturopath records with the nearest ZIP codes

  1. Joseph Dumovic, DC,NDTukwila, WA 981881346345261
  2. Miles French, NDTukwila, WA 981881033947205
  3. Cristina Persa, MS, NDTukwila, WA 981881376974287
  4. Irfan Qureshi, N.D.Seatac, WA 981881902024730
  5. Angela Sadlon, N.D.Tukwila, WA 981881629371869
  6. Angela Leclair, N.D.Seattle, WA 981951972862019
  7. Mallory Anderson, NDDes Moines, WA 981981215330873
  8. Catherine Bereznay, ND, MPH, MSDes Moines, WA 981981255883096

Common questions

What is Katharine Ersing, ND's NPI number?

Katharine Ersing, ND's National Provider Identifier (NPI) is 1184352601, issued on Aug 11, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Ersing, ND located?

The NPPES record lists a practice address at 4040 S 188TH St Ste 201, Seatac, WA, 98188. Phone: (206) 277-7200. Providers update this record themselves, so call before visiting.

How can I verify Katharine Ersing, ND's license?

NPPES lists Washington license number NT61357025, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Katharine Ersing, ND prescribe under Medicare Part D?

In 2024, Katharine Ersing, ND had 51 Medicare Part D claims for 22 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.