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.
- 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
8 nearest medical physician assistant records → All 671 in Illinois → Look up another NPI →
Also registered at 2662 N Lincoln Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Washagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085009101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Atorvastatin Calcium193 claims
- Levothyroxine Sodium182 claims
- Losartan Potassium173 claims
- Amlodipine Besylate164 claims
- Lisinopril136 claims
- 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.
All 671 in Illinois → Every provider in Chicago → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Katherine Cunningham, P.A.Chicago, IL 606141619923315
- Valentina DjordjevicChicago, IL 606141750875407
- Kathleen Finneke, PA-CChicago, IL 606141053714576
- Carly MirowitzChicago, IL 606141679090625
- Julia Sangiovanni, PA-CChicago, IL 606141184288722
- Adaminah Baht-Yehudah, PA-CChicago, IL 606151831115252
- Kristin Baker, P.A.-CChicago, IL 606131235154097
- 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.