NPPES file of Aug 9, 2026

Katherine L. Koncz, PA-C

Physician Assistant · Spokane, WA

Katherine L. Koncz, PA-C is a physician assistant with a practice address in Spokane, Washington, and NPI 1336131937, issued on Aug 19, 2005. Check the license (Washington PA10003725, 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
1336131937
Name
Katherine L. Koncz
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA10003725 WA
Self-reported in NPPES; status is on the state search
Practice location
605 E Holland Ave, Spokane, WA 99218
Phone
(509) 838-2531
Enumerated
Aug 19, 2005
Record last updated
Apr 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(509) 755-6580
Medicaid ID
8328767 WA
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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Also registered at 605 E Holland Ave

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

  1. Catharine Asay, MA, MS, LMHC, NCCMental Health Counselor1649679218
  2. Allison Bennett, LCSW-CClinical Social Worker1689943557
  3. Chris Chaffin, DDSDentist1013912864
  4. Kawal Chester, M.D.Medical Oncology Physician1619963600
  5. Jason Deville, D.O.Nephrology Physician1255440459
  6. Mark Didier, MDFamily Medicine Physician1255333647

Verify Katherine L. Koncz 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 PA10003725
    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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91% fewer Medicare Part D claims than the average physician assistant in 2024

74 Medicare Part D claims for 18 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Katherine Koncz74
  2. Specialty average830

Most prescribed

  1. Amlodipine Besylate11 claims
  2. Sevelamer Carbonate11 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.

Katherine L. Koncz among 3,718 physician assistant records in Washington

Katherine L. Koncz, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2017 · 48% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

315 physician assistant records list a practice address in Spokane

They are 315 of the 14,049 NPPES records with a practice address in Spokane, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. John Begley, PASpokane, WA 992181912152604
  2. John Boyd, PA-CSpokane, WA 992181073582847
  3. Anthony Caffarelli, P.A.Spokane, WA 992181609977669
  4. Dan Dami, PA-CSpokane, WA 992181386636249
  5. Daniel Depner, PA-CSpokane, WA 992181851492771
  6. Portia Kamps, PA-CSpokane, WA 992181366631731
  7. Pamela Lancaster, PASpokane, WA 992181366474371
  8. John Loranger, PACSpokane, WA 992181891814455

Common questions

What is Katherine L. Koncz, PA-C's NPI number?

Katherine L. Koncz, PA-C's National Provider Identifier (NPI) is 1336131937, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Katherine L. Koncz, PA-C located?

The NPPES record lists a practice address at 605 E Holland Ave, Spokane, WA, 99218. Phone: (509) 838-2531. Providers update this record themselves, so call before visiting.

How can I verify Katherine L. Koncz, PA-C's license?

NPPES lists Washington license number PA10003725, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine L. Koncz, PA-C prescribe under Medicare Part D?

In 2024, Katherine L. Koncz, PA-C had 74 Medicare Part D claims for 18 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.