NPPES file of Aug 9, 2026

Katherine Washagan, PA-C

Medical Physician Assistant · Chicago, IL

Katherine Washagan, PA-C is a medical physician assistant with a practice address in Chicago, Illinois, and NPI 1174279020, issued on Mar 1, 2022. Check the license (Illinois 085009101, as entered in NPPES) with the Illinois 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
1174279020
Name
Katherine Washagan
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
085009101 IL
Self-reported in NPPES; status is on the state search
Practice location
2662 N Lincoln Ave, Chicago, IL 60614
Phone
(847) 795-0900
Enumerated
Mar 1, 2022
Record last updated
Mar 18, 2026
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 2662 N Lincoln Ave

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

  1. Mia Galluch, FNPFamily Nurse Practitioner1750116471
  2. Alexandra Holmes, APRN, FNP-CNurse Practitioner1003401936

Verify Katherine Washagan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085009101
    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 Illinois license search

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2.8 times the Medicare Part D claims of the average medical physician assistant in 2024

3,213 Medicare Part D claims for 574 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 71 claims were for opioids.

  1. Katherine Washagan3,213
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium193 claims
  2. Levothyroxine Sodium182 claims
  3. Losartan Potassium173 claims
  4. Amlodipine Besylate164 claims
  5. Lisinopril136 claims
  6. Metformin Hcl136 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 Washagan among 671 medical physician assistant records in Illinois

Katherine Washagan, PA-C is one of 671 medical physician assistant records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Illinois

There are 671 medical physician assistant records in Illinois.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Katherine Cunningham, P.A.Chicago, IL 606141619923315
  2. Valentina DjordjevicChicago, IL 606141750875407
  3. Kathleen Finneke, PA-CChicago, IL 606141053714576
  4. Carly MirowitzChicago, IL 606141679090625
  5. Julia Sangiovanni, PA-CChicago, IL 606141184288722
  6. Adaminah Baht-Yehudah, PA-CChicago, IL 606151831115252
  7. Kristin Baker, P.A.-CChicago, IL 606131235154097
  8. Lena Farah, PA-CChicago, IL 606151790527497

Common questions

What is Katherine Washagan, PA-C's NPI number?

Katherine Washagan, PA-C's National Provider Identifier (NPI) is 1174279020, issued on Mar 1, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Washagan, PA-C located?

The NPPES record lists a practice address at 2662 N Lincoln Ave, Chicago, IL, 60614. Phone: (847) 795-0900. Providers update this record themselves, so call before visiting.

How can I verify Katherine Washagan, PA-C's license?

NPPES lists Illinois license number 085009101, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Washagan, PA-C prescribe under Medicare Part D?

In 2024, Katherine Washagan, PA-C had 3,213 Medicare Part D claims for 574 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.