Brian Willis
Acute Care Nurse Practitioner · Chicago, IL
Brian Willis is an acute care nurse practitioner with a practice address in Chicago, Illinois, and NPI 1770363178, issued on Oct 3, 2023. Check the license (Illinois 209028421, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Willis
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 209028421 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1801 W Taylor St, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- Oct 3, 2023
- Record last updated
- Dec 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20231122001509); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2023
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 639 in Illinois → Look up another NPI →
Also registered at 1801 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dalmina Arias, OTR/LOccupational Therapist1346758281
- Ayesha Arif, MDRheumatology Physician1205398534
- Iris Aronson, MDDermatology Physician1629153614
Verify Brian Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209028421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average acute care nurse practitioner in 2024
768 Medicare Part D claims for 175 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Levothyroxine Sodium91 claims
- Mounjaro81 claims
- Nano 2nd Gen Pen Needle45 claims
- Lantus Solostar41 claims
- Metformin Hcl33 claims
- Ozempic32 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: $1,077.05
48 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 10,984 providers of this specialty with any payment received $647.94 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
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Willis among 639 acute care nurse practitioner records in Illinois
Brian Willis is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 77% of them.
- NPI issued2023 · 77% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2023 · median 2017 among the 434 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Illinois
There are 639 acute care nurse practitioner records in Illinois.
All 639 in Illinois → Every provider in Chicago → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Denise Beger, CNPChicago, IL 606121265715908
- Rory Breslin-Sani, APNChicago, IL 606121932342680
- Monique Colbert, APNChicago, IL 606121093044471
- Susan Corbridge, PHD, APNChicago, IL 606121265667547
- Renee Evans, APNChicago, IL 606121396014650
- Nina Grude, NPChicago, IL 606121861705717
- Amy Hiller, APNChicago, IL 606121821221474
- Elizabeth Hurter, NPChicago, IL 606121760651194
Common questions
What is Brian Willis's NPI number?
Brian Willis's National Provider Identifier (NPI) is 1770363178, issued on Oct 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Brian Willis located?
The NPPES record lists a practice address at 1801 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Brian Willis's license?
NPPES lists Illinois license number 209028421, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Willis prescribe under Medicare Part D?
In 2024, Brian Willis had 768 Medicare Part D claims for 175 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.