NPPES file of Aug 9, 2026

Katherine M. Arkwright, DO

Hospitalist Physician · Wenatchee, WA

Katherine M. Arkwright, DO is a hospitalist physician with a practice address in Wenatchee, Washington, and NPI 1285131540, issued on Apr 12, 2018. Check the license (Washington OP61141482, as entered in NPPES) on the Washington Medical Commission; 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
1285131540
Name
Katherine M. Arkwright
Credential
DO
Primary taxonomy
Hospitalist Physician 208M00000X
License number
OP61141482 WA
Self-reported in NPPES; status is on the state search
Practice location
1201 S Miller St, Wenatchee, WA 98801
Phone
(509) 663-8711
Enumerated
Apr 12, 2018
Record last updated
May 10, 2023
Medicare enrollment
Enrolled (PECOS I20210903002368); 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 1201 S Miller St

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

  1. Farah Abdulrazzak, MDFamily Medicine Physician1306533328
  2. Andrew AbovianHospitalist Physician1669909107
  3. Glenn Adams, PHARM.DPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1659700037
  4. Amith Ahluwalia, MDHematology & Oncology Physician1497231773
  5. Kathleen Allen, PA-CMedical Physician Assistant1134227234
  6. Richard Allen, PA-CPhysician Assistant1508856410

Verify Katherine M. Arkwright in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP61141482
    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
Open 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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50% fewer Medicare Part D claims than the average hospitalist physician in 2024

262 Medicare Part D claims for 92 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Katherine Arkwright262
  2. Specialty average521

Most prescribed

  1. Furosemide12 claims
  2. Losartan Potassium12 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.

Bills Medicare through one group practice

  1. Central Washington Health Services AssociationWenatchee, WA

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

Katherine M. Arkwright among 793 hospitalist physician records in Washington

Katherine M. Arkwright, DO is one of 793 hospitalist physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 74% of them.

  • NPI issued2018 · 74% of these records are older, 20% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2018 · median 2011 among the 649 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 hospitalist physician records list a practice address in Wenatchee

They are 36 of the 2,290 NPPES records with a practice address in Wenatchee, and 793 hospitalist physician records in Washington.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Geoffrey Barry, MDWenatchee, WA 988011346284288
  2. Mircea Batanoiu, MDWenatchee, WA 988011023044401
  3. Brenda Baumeister, MDWenatchee, WA 988011750317806
  4. Justina Bolz, MDWenatchee, WA 988011760418339
  5. Edwin Carmack, MDWenatchee, WA 988011174504302
  6. Gerald Hepnar, MDWenatchee, WA 988011699875195
  7. Michael Johnson, D.O.Wenatchee, WA 988011699732701
  8. Daniel Junck, M.D.Wenatchee, WA 988011851300974

Common questions

What is Katherine M. Arkwright, DO's NPI number?

Katherine M. Arkwright, DO's National Provider Identifier (NPI) is 1285131540, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Katherine M. Arkwright, DO located?

The NPPES record lists a practice address at 1201 S Miller St, Wenatchee, WA, 98801. Phone: (509) 663-8711. Providers update this record themselves, so call before visiting.

How can I verify Katherine M. Arkwright, DO's license?

NPPES lists Washington license number OP61141482, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine M. Arkwright, DO prescribe under Medicare Part D?

In 2024, Katherine M. Arkwright, DO had 262 Medicare Part D claims for 92 beneficiaries; the average among hospitalist physician prescribers was 521. 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.