NPPES file of Aug 9, 2026

Katherine A. Assmus, PA

Physician Assistant · Meridian, ID

Katherine A. Assmus, PA is a physician assistant with a practice address in Meridian, Idaho, and NPI 1063789311, issued on Nov 30, 2011. Check the license (Idaho PA99999, as entered in NPPES) with the Idaho 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
1063789311
Name
Katherine A. Assmus
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA99999 ID
Self-reported in NPPES; status is on the state search
Practice location
3525 E Louise Dr, Meridian, ID 83642
Phone
(208) 322-1680
Enumerated
Nov 30, 2011
Record last updated
Nov 30, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120306000278); 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 3525 E Louise Dr

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

  1. Charmin AschenbrenerRegistered Dietitian1811309784
  2. Joshua BakerOccupational Therapist1336565084
  3. Carolyn Blaisdell, MS OTR/LOccupational Therapist1073913992
  4. Kayle Carter, PHARMDPharmacist1871906867
  5. Mary Dittrich, MDNephrology Physician1437194552
  6. Clara Flynn, RD, CSR, CDERenal Nutrition Registered Dietitian1659438935

Verify Katherine A. Assmus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Idaho board licenses this profession
    Search for license PA99999
    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 Idaho 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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2.5 times the Medicare Part D claims of the average physician assistant in 2024

2,110 Medicare Part D claims for 337 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Katherine Assmus2,110
  2. Specialty average830

Most prescribed

  1. Spironolactone288 claims
  2. Metoprolol Succinate280 claims
  3. Eliquis184 claims
  4. Bumetanide147 claims
  5. Furosemide144 claims
  6. Farxiga108 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.

Industry payments in 2024: $113.90

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Assmus$113.90
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. St Lukes Clinic-Treasure Valley LLCEagle, ID

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

Katherine A. Assmus among 1,250 physician assistant records in Idaho

Katherine A. Assmus, PA is one of 1,250 physician assistant records with a practice address in Idaho. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 30% of them.

  • NPI issued2011 · 30% of these records are older, 66% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2011 · median 2017 among the 961 with a school on file
  • Record last updated2011 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

135 physician assistant records list a practice address in Meridian

They are 135 of the 2,980 NPPES records with a practice address in Meridian, and 1,250 physician assistant records in Idaho.

The 8 physician assistant records with the nearest ZIP codes

  1. Alexander Arhets, PA-CMeridian, ID 836421013956853
  2. Albert Bickford, PA-CMeridian, ID 836421124092101
  3. Rylan Chan, PACMeridian, ID 836421306874623
  4. Brandie Collins, PAMeridian, ID 836421124077151
  5. Stephen Frelly, PAMeridian, ID 836421114966959
  6. Brian Friedt, PHYSICIANS ASSISTANTMeridian, ID 836421568499713
  7. Jeremy Frix, PAMeridian, ID 836421164450862
  8. Rebecca Goodspeed, PAMeridian, ID 836421750327797

Common questions

What is Katherine A. Assmus, PA's NPI number?

Katherine A. Assmus, PA's National Provider Identifier (NPI) is 1063789311, issued on Nov 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Katherine A. Assmus, PA located?

The NPPES record lists a practice address at 3525 E Louise Dr, Meridian, ID, 83642. Phone: (208) 322-1680. Providers update this record themselves, so call before visiting.

How can I verify Katherine A. Assmus, PA's license?

NPPES lists Idaho license number PA99999, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine A. Assmus, PA prescribe under Medicare Part D?

In 2024, Katherine A. Assmus, PA had 2,110 Medicare Part D claims for 337 beneficiaries; the average among physician assistant prescribers was 830. 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.