NPPES file of Aug 9, 2026

Kerri Arenholz, OTR

Hand Occupational Therapist · Seattle, WA

Kerri Arenholz, OTR is a hand occupational therapist with a practice address in Seattle, Washington, and NPI 1780607424, issued on Jul 25, 2006. Check the license (Washington 00004420, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780607424
Name
Kerri Arenholz
Credential
OTR
Primary taxonomy
Hand Occupational Therapist 225XH1200X
License number
00004420 WA
Self-reported in NPPES; status is on the state search
Practice location
2004 E Union St, Seattle, WA 98122
Phone
(206) 595-7649
Enumerated
Jul 25, 2006
Record last updated
Mar 11, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091030000024); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2004 E Union St

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

  1. Margaret Burbidge, D.C.Rehabilitation Chiropractor1093967176
  2. Tara HedrichMassage Therapist1881194736
  3. Samantha HeldMassage Therapist1679080550
  4. Sarah Hopkins, LMTMassage Therapist1568948800
  5. Alison Post, MAMassage Therapist1487175147
  6. Zoe Shaw, LMTMassage Therapist1053971929

Verify Kerri Arenholz 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 00004420
    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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Bills Medicare through one group practice

  1. Seattle Hand Surgery Group PCSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kerri Arenholz among 144 hand occupational therapist records in Washington

Kerri Arenholz, OTR is one of 144 hand occupational therapist records with a practice address in Washington. 44% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileYes · 44% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated2000 · median 2001 among the 67 with a school on file
  • Record last updated2011 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225XH1200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hand Occupational Therapist providers in Washington

There are 144 hand occupational therapist records in Washington.

The 8 hand occupational therapist records with the nearest ZIP codes

  1. Anne Gaier, OTSeattle, WA 981221114908969
  2. Serina Hijirida, OTSeattle, WA 981221366423113
  3. Kimberly Orndorff, OTSeattle, WA 981221588645337
  4. Sun Rubin, PTSeattle, WA 981221093796849
  5. Margaret Christie, OTR/L, CHTSeattle, WA 981331952443723
  6. Vanessa Roberts, OTR/LSeattle, WA 981081649586215
  7. Joanne Hughes, OTRL CHTSeattle, WA 981071295942043
  8. Lori Dunley, OTR/L, CHTSeattle, WA 981051487749735

Common questions

What is Kerri Arenholz, OTR's NPI number?

Kerri Arenholz, OTR's National Provider Identifier (NPI) is 1780607424, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kerri Arenholz, OTR located?

The NPPES record lists a practice address at 2004 E Union St, Seattle, WA, 98122. Phone: (206) 595-7649. Providers update this record themselves, so call before visiting.

How can I verify Kerri Arenholz, OTR's license?

NPPES lists Washington license number 00004420, 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. 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.