NPPES file of Aug 9, 2026

Katherine Gregson, LMT

Massage Therapist · Seattle, WA

Katherine Gregson, LMT is a massage therapist with a practice address in Seattle, Washington, and NPI 1851260210, issued on Nov 4, 2025. Check the license (Washington MA61570875, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851260210
Name
Katherine Gregson
Credential
LMT
Primary taxonomy
Massage Therapist 225700000X
License number
MA61570875 WA
Self-reported in NPPES; status is on the state search
Practice location
2818 E Madison St, Seattle, WA 98112
Phone
(206) 397-3590
Enumerated
Nov 4, 2025
Record last updated
Nov 4, 2025
Fax
(206) 922-2053
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 massage therapist records → All 13,143 in Washington → Look up another NPI →

Also registered at 2818 E Madison St

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

  1. Eric Anderson, LMTMassage Therapist1932857539
  2. Gregory Flores, LMTMassage Therapist1992414197
  3. Jon Garland, LMTMassage Therapist1952010217
  4. Katelyn Loveless, LMTMassage Therapist1144977794
  5. Amber Myers, LMPMassage Therapist1083994750
  6. Ryan Simmons, D.P.T.Physical Therapist1447550454

Verify Katherine Gregson 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 MA61570875    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Katherine Gregson among 13,143 massage therapist records in Washington

Katherine Gregson, LMT is one of 13,143 massage therapist records with a practice address in Washington. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 94% of them.

  • NPI issued2025 · 94% of these records are older, 2% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2025 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225700000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,911 massage therapist records list a practice address in Seattle

They are 1,911 of the 41,956 NPPES records with a practice address in Seattle, and 13,143 massage therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 13,143 in Washington → Every provider in Seattle → Massage Therapist nationwide →

The 8 massage therapist records with the nearest ZIP codes

  1. Eric Andrews-Katz, LMTSeattle, WA 981121306915640
  2. Sunny Ayotte, LMTSeattle, WA 981121861519571
  3. Jessica Cabatit, LMPSeattle, WA 981121356477988
  4. Wimsey Cherrington, LMPSeattle, WA 981121457434847
  5. Leslie Gallaher, LMPSeattle, WA 981121104980051
  6. Roxane Geller, LAC, LMPSeattle, WA 981121760517916
  7. John Gunn, LMPSeattle, WA 981121447216528
  8. Patrick Houghton, L.M.P.Seattle, WA 981121467675553

Common questions

What is Katherine Gregson, LMT's NPI number?

Katherine Gregson, LMT's National Provider Identifier (NPI) is 1851260210, issued on Nov 4, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Gregson, LMT located?

The NPPES record lists a practice address at 2818 E Madison St, Seattle, WA, 98112. Phone: (206) 397-3590. Providers update this record themselves, so call before visiting.

How can I verify Katherine Gregson, LMT's license?

NPPES lists Washington license number MA61570875, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.