Karen Lisa Arndt, ARNP
Family Nurse Practitioner · Montesano, WA
Karen Lisa Arndt, ARNP is a family nurse practitioner with a practice address in Montesano, Washington, and NPI 1104995596, issued on Nov 7, 2006. Check the license (Washington AP30003364, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Lisa Arndt
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP30003364 WA
Self-reported in NPPES; status is on the state search - Practice location
- 112 E Broadway Ave, Montesano, WA 98563
- Phone
- (360) 249-4111
- Enumerated
- Nov 7, 2006
- Record last updated
- Oct 23, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 249-5220
- Medicaid ID
- 9612227 WA
- Medicare enrollment
- Enrolled (PECOS I20101015000403); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 112 E Broadway Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clara Shin, M.D.Internal Medicine Physician1376516401
- Yong Shin, M.D.Internal Medicine Physician1851364988
Verify Karen Lisa Arndt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30003364Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average family nurse practitioner in 2024
1,794 Medicare Part D claims for 249 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 114 claims were for opioids.
Most prescribed
- Atorvastatin Calcium78 claims
- Amlodipine Besylate73 claims
- Hydrocodone-Acetaminophen72 claims
- Levothyroxine Sodium61 claims
- Losartan Potassium57 claims
- Omeprazole57 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
- Capital Medical Center Physicians LLCMontesano, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 family nurse practitioner records list a practice address in Montesano
They are 5 of the 116 NPPES records with a practice address in Montesano, and 3,781 family nurse practitioner records in Washington.
All 5 in Montesano → All 3,781 in Washington → Every provider in Montesano →
Other family nurse practitioner records in Washington
- Erin Aas, ARNPOak Harbor, WA1972566206
- Amma AbabioSunnyside, WA1952056541
- Kimberly Abbey, NPBellevue, WA1700909181
- Mary Abbott, ARNP, FNP-CTacoma, WA1285514539
- Nurto AbdullaSeattle, WA1215629035
- Teresa Abernathy, ARNPOlympia, WA1124454533
- Brenda Abraham, N.P.Bremerton, WA1497745558
- Heina Abraham, APRN, FNP-CTukwila, WA1770169682
- Alan Abrams, ARNPEverett, WA1639347438
- Kristen Abrams, ARNPLakewood, WA1841449170
Common questions
What is Karen Lisa Arndt, ARNP's NPI number?
Karen Lisa Arndt, ARNP's National Provider Identifier (NPI) is 1104995596, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lisa Arndt, ARNP located?
The NPPES record lists a practice address at 112 E Broadway Ave, Montesano, WA, 98563. Phone: (360) 249-4111. Providers update this record themselves, so call before visiting.
How can I verify Karen Lisa Arndt, ARNP's license?
NPPES lists Washington license number AP30003364, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Lisa Arndt, ARNP prescribe under Medicare Part D?
In 2024, Karen Lisa Arndt, ARNP had 1,794 Medicare Part D claims for 249 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.