Thomas John Chorba, MD
Surgery Physician · Evanston, IL
Thomas John Chorba, MD is a surgery physician with a practice address in Evanston, Illinois, and NPI 1134174758, issued on May 23, 2006. Check the license (Illinois 036050009, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas John Chorba
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 036050009 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Howard St Ste 105, Evanston, IL 60202
- Phone
- (773) 561-4477
- Enumerated
- May 23, 2006
- Record last updated
- Jan 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (773) 561-9277
- Medicaid ID
- 036050009 IL
- Medicare enrollment
- Enrolled (PECOS I20100913000029); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1973
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Verify Thomas John Chorba 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 036050009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11.4 times the Medicare Part D claims of the average surgery physician in 2024
1,671 Medicare Part D claims for 102 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 330 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen271 claims
- Alprazolam108 claims
- Diazepam97 claims
- Atorvastatin Calcium65 claims
- Levothyroxine Sodium52 claims
- Gabapentin44 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.
Thomas John Chorba among 1,520 surgery physician records in Illinois
Thomas John Chorba, MD is one of 1,520 surgery physician records with a practice address in Illinois. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 64% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1973 · median 2004 among the 650 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Illinois
There are 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Evanston → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Charles Gruner, M.D.Evanston, IL 602021093980872
- Dean Kristl, M.D.Evanston, IL 602021790040988
- Sullivan Ayuso, MDEvanston, IL 602011194220921
- Richard Berk, MDEvanston, IL 602011588731244
- Alison CooganEvanston, IL 602011275160145
- Ervin Denham, MDEvanston, IL 602011881658193
- Lucy Hinton, MDEvanston, IL 602011497620504
- Stephanie Jensen, MDEvanston, IL 602011396321881
Common questions
What is Thomas John Chorba, MD's NPI number?
Thomas John Chorba, MD's National Provider Identifier (NPI) is 1134174758, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas John Chorba, MD located?
The NPPES record lists a practice address at 1101 Howard St Ste 105, Evanston, IL, 60202. Phone: (773) 561-4477. Providers update this record themselves, so call before visiting.
How can I verify Thomas John Chorba, MD's license?
NPPES lists Illinois license number 036050009, 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 John Chorba, MD prescribe under Medicare Part D?
In 2024, Thomas John Chorba, MD had 1,671 Medicare Part D claims for 102 beneficiaries; the average among surgery physician prescribers was 147. 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.