NPPES file of Aug 9, 2026

Katherine Jean Kirner, ARNP

Psychiatric/Mental Health Nurse Practitioner · Twisp, WA

Katherine Jean Kirner, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Twisp, Washington, and NPI 1407066103, issued on May 23, 2007. Check the license (Washington AP30007823, 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
1407066103
Name
Katherine Jean Kirner
Credential
ARNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
AP30007823 WA
RN00161963 WA
Self-reported in NPPES; status is on the state search
Practice location
541 2ND Ave, Twisp, WA 98856
Phone
(509) 997-2011
Enumerated
May 23, 2007
Record last updated
Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(509) 997-2034
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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Verify Katherine Jean Kirner 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 AP30007823
    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
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98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

15 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Katherine Kirner15
  2. Specialty average906

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.

1 psychiatric/mental health nurse practitioner records list a practice address in Twisp

They are 1 of the 39 NPPES records with a practice address in Twisp, and 1,875 psychiatric/mental health nurse practitioner records in Washington.

Other psychiatric/mental health nurse practitioner records in Washington

  1. Peimaneh AbdolhosseiniEverett, WA1760246367
  2. Marissa Abrahams, PMHNP-BCSeattle, WA1528336021
  3. Rafael Achacoso, ARNPSeattle, WA1134835432
  4. Aishwarya AchanFederal Way, WA1346886462
  5. Margaret Ackerman, APNMount Vernon, WA1972723906
  6. Brenda Acosta, ARNP, PMHNP-BCYakima, WA1871369728
  7. Allison Adams, RNMountlake Terrace, WA1306308341
  8. Joseph AdamsBellingham, WA1063240125
  9. Sophia Adams, ARNPSeattle, WA1902361157
  10. Juliana Adarmes, DNPTacoma, WA1578280442

Common questions

What is Katherine Jean Kirner, ARNP's NPI number?

Katherine Jean Kirner, ARNP's National Provider Identifier (NPI) is 1407066103, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Jean Kirner, ARNP located?

The NPPES record lists a practice address at 541 2ND Ave, Twisp, WA, 98856. Phone: (509) 997-2011. Providers update this record themselves, so call before visiting.

How can I verify Katherine Jean Kirner, ARNP's license?

NPPES lists Washington license number AP30007823, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Jean Kirner, ARNP prescribe under Medicare Part D?

In 2024, Katherine Jean Kirner, ARNP had 15 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.