Charles R. Gruner, M.D.
Surgery Physician · Evanston, IL
Charles R. Gruner, M.D. is a surgery physician with a practice address in Evanston, Illinois, and NPI 1093980872, issued on Apr 23, 2008. Check the license (Illinois 036115417, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Charles R. Gruner
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 036115417 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 Austin St, Evanston, IL 60202
- Phone
- (847) 869-0522
- Enumerated
- Apr 23, 2008
- Record last updated
- Oct 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (847) 869-0652
- Medicaid ID
- 036115417 IL
- Medicare enrollment
- Enrolled (PECOS I20080927000250); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Also registered at 800 Austin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Campbell, MDInternal Medicine Physician1972506665
- Caroline CarbajalMental Health Counselor1083581656
Verify Charles R. Gruner 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 036115417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average surgery physician in 2024
100 Medicare Part D claims for 49 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 11 claims were for opioids.
Most prescribed
- Pantoprazole Sodium12 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: $73.02
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Prime Healthcare Illinois Medical Group LLCDes Plaines, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles R. Gruner among 1,520 surgery physician records in Illinois
Charles R. Gruner, M.D. 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 2008, is newer than 42% of them.
- NPI issued2008 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2002 · median 2004 among the 650 with a school on file
- Record last updated2011 · 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
- Thomas Chorba, MDEvanston, IL 602021134174758
- 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 Charles R. Gruner, M.D.'s NPI number?
Charles R. Gruner, M.D.'s National Provider Identifier (NPI) is 1093980872, issued on Apr 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Charles R. Gruner, M.D. located?
The NPPES record lists a practice address at 800 Austin St, Evanston, IL, 60202. Phone: (847) 869-0522. Providers update this record themselves, so call before visiting.
How can I verify Charles R. Gruner, M.D.'s license?
NPPES lists Illinois license number 036115417, 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 Charles R. Gruner, M.D. prescribe under Medicare Part D?
In 2024, Charles R. Gruner, M.D. had 100 Medicare Part D claims for 49 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.