Katherine Welter, PA-C
Physician Assistant · Libertyville, IL
Katherine Welter, PA-C is a physician assistant with a practice address in Libertyville, Illinois, and NPI 1588118277, issued on Aug 10, 2016. Check the license (Illinois 085.009448, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Welter
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 085.009448 IL
3846-23 WI
Self-reported in NPPES; status is on the state search - Practice location
- 825 S Milwaukee Ave, Libertyville, IL 60048
- Phone
- (847) 566-5200
- Enumerated
- Aug 10, 2016
- Record last updated
- May 19, 2023
- Fax
- (847) 556-5522
- Medicare enrollment
- Enrolled (PECOS I20230414001471); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 825 S Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jonathan Birnberg, MDInternal Medicine Physician1477731396
- Elaina Chen, MDPlastic Surgery Physician1932465150
- Justin Choi, MDInternal Medicine Physician1497382196
- Tae Ho Choi, MDFamily Medicine Physician1124434477
Verify Katherine Welter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085.009448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average physician assistant in 2024
942 Medicare Part D claims for 277 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium55 claims
- Amlodipine Besylate41 claims
- Pantoprazole Sodium30 claims
- Losartan Potassium29 claims
- Omeprazole28 claims
- Metoprolol Succinate27 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: $29.81
1 payment: food and beverage; the largest payer was Intuitive Surgical, 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.
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
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
59 physician assistant records list a practice address in Libertyville
They are 59 of the 1,361 NPPES records with a practice address in Libertyville, and 4,926 physician assistant records in Illinois.
All 59 in Libertyville → All 4,926 in Illinois → Every provider in Libertyville →
Other physician assistant records in Illinois
- Brooke Aarhus, PA-CPark Ridge, IL1760985469
- Sana Abbasi, PACarol Stream, IL1831803295
- Susan Abbinanti, PA-CElk Grove Village, IL1679647358
- Katheryn Abbott, PASchaumburg, IL1356842082
- Noor Abdelrahman, PA-CChicago, IL1851012413
- Amer Abdulghafoor, MSW, MS, PA-CChicago, IL1619401718
- Kazuko Abe, P.A.Chicago, IL1881840783
- Greta Abel, PA-CWheaton, IL1174844096
- Derrik AbellAnna, IL1821618471
- Jeanine Aberbook, PA-CChicago, IL1518664176
Common questions
What is Katherine Welter, PA-C's NPI number?
Katherine Welter, PA-C's National Provider Identifier (NPI) is 1588118277, issued on Aug 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Welter, PA-C located?
The NPPES record lists a practice address at 825 S Milwaukee Ave, Libertyville, IL, 60048. Phone: (847) 566-5200. Providers update this record themselves, so call before visiting.
How can I verify Katherine Welter, PA-C's license?
NPPES lists Illinois license number 085.009448, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Welter, PA-C prescribe under Medicare Part D?
In 2024, Katherine Welter, PA-C had 942 Medicare Part D claims for 277 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.