Thomas Christopher Westbrook, MD
Medical Oncology Physician · Chicago, IL
Thomas Christopher Westbrook, MD is a medical oncology physician with a practice address in Chicago, Illinois, and NPI 1346760493, issued on Jun 20, 2017. Check the license (Illinois 036165419, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Christopher Westbrook
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 036165419 IL
2017019536 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1520 W Harrison St, Chicago, IL 60607
- Phone
- (312) 226-2371
- Enumerated
- Jun 20, 2017
- Record last updated
- Sep 13, 2023
- Fax
- (312) 563-0715
- Medicare enrollment
- Enrolled (PECOS I20230807001409); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Also registered at 1520 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adewale Bakare, MDNeurological Surgery Physician1679065569
- Bristi BasuPhysician Assistant1336955343
Verify Thomas Christopher Westbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036165419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average medical oncology physician in 2024
708 Medicare Part D claims for 129 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims. 16 claims were for opioids.
Most prescribed
- Prednisone147 claims
- Nubeqa91 claims
- Xtandi85 claims
- Abiraterone Acetate63 claims
- Ondansetron Hcl44 claims
- Orgovyx37 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: $916.60
2 payments; by number, the most common kind was consulting fee; the largest payer was Janssen Scientific Affairs, LLC. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Christopher Westbrook among 182 medical oncology physician records in Illinois
Thomas Christopher Westbrook, MD is one of 182 medical oncology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2017 · median 2000 among the 132 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Illinois
There are 182 medical oncology physician records in Illinois.
All 182 in Illinois → Every provider in Chicago → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Minhtri Nguyen, MDChicago, IL 606071588195127
- Charles Bennett, MDChicago, IL 606111063488898
- Al Benson, MDChicago, IL 606111891761532
- Raymond Bergan, MDChicago, IL 606111871569640
- James Brandman, MDChicago, IL 606111710947882
- Daniel Bruetman, MDChicago, IL 606111972583417
- Lucio Di Nunno, M.D.Chicago, IL 606111639132343
- William Gradishar, MDChicago, IL 606111437187929
Common questions
What is Thomas Christopher Westbrook, MD's NPI number?
Thomas Christopher Westbrook, MD's National Provider Identifier (NPI) is 1346760493, issued on Jun 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Christopher Westbrook, MD located?
The NPPES record lists a practice address at 1520 W Harrison St, Chicago, IL, 60607. Phone: (312) 226-2371. Providers update this record themselves, so call before visiting.
How can I verify Thomas Christopher Westbrook, MD's license?
NPPES lists Illinois license number 036165419, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Christopher Westbrook, MD prescribe under Medicare Part D?
In 2024, Thomas Christopher Westbrook, MD had 708 Medicare Part D claims for 129 beneficiaries; the average among medical oncology physician prescribers was 703. 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.