Aaron I. Benson, M.D.
Gastroenterology Physician · Mt Prospect, IL
Aaron I. Benson, M.D. is a gastroenterology physician with a practice address in Mt Prospect, Illinois, and NPI 1164508453, issued on Oct 28, 2006. Check the license (Illinois 036111463, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Aaron I. Benson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036111463 IL
036-111463 IL
Self-reported in NPPES; status is on the state search - Practice location
- 199 W Rand RD, Mt Prospect, IL 60056
- Phone
- (847) 725-8401
- Enumerated
- Oct 28, 2006
- Record last updated
- Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 618-5459
- Medicare enrollment
- Enrolled (PECOS I20070713000810); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 199 W Rand RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ami Behara, M.D.Gastroenterology Physician1336301027
- Nayla Chaptini, M.D.Cardiovascular Disease Physician1841434024
- Victoria Ryvkin, M.D.Endocrinology, Diabetes & Metabolism Physician1881815173
- Michelle Seo, MDInternal Medicine Physician1437269545
Verify Aaron I. Benson 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 036111463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average gastroenterology physician in 2024
1,321 Medicare Part D claims for 578 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Pantoprazole Sodium355 claims
- Sod Sulf-Potass Sulf-Mag Sulf297 claims
- Omeprazole215 claims
- Peg 3350-Electrolyte35 claims
- Lansoprazole26 claims
- Mesalamine26 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.
The MIPS final score for 2023 (Medicare payment program): 89.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,183.80
105 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Endeavor Health Medical GroupPalatine, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron I. Benson among 887 gastroenterology physician records in Illinois
Aaron I. Benson, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2000 · median 2003 among the 643 with a school on file
- Record last updated2021 · 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 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 gastroenterology physician records list a practice address in Mt Prospect
They are 2 of the 215 NPPES records with a practice address in Mt Prospect, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Mt Prospect → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ami Behara, M.D.Mt Prospect, IL 600561336301027
- Roop Gupta, MDMorton Grove, IL 600531184600991
- David Labowitz, DOVernon Hills, IL 600611376799577
- Lauren BloombergNorthbrook, IL 600621336776475
- Phillip Chung, MDNorthbrook, IL 600621639165947
- Claus Fimmel, MDNorthbrook, IL 600621568417780
- Anthony Grande, MDMcHenry, IL 600501477558377
- Bhairvi Jani, MDMcHenry, IL 600501871931758
Common questions
What is Aaron I. Benson, M.D.'s NPI number?
Aaron I. Benson, M.D.'s National Provider Identifier (NPI) is 1164508453, issued on Oct 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aaron I. Benson, M.D. located?
The NPPES record lists a practice address at 199 W Rand RD, Mt Prospect, IL, 60056. Phone: (847) 725-8401. Providers update this record themselves, so call before visiting.
How can I verify Aaron I. Benson, M.D.'s license?
NPPES lists Illinois license number 036111463, 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 Aaron I. Benson, M.D. prescribe under Medicare Part D?
In 2024, Aaron I. Benson, M.D. had 1,321 Medicare Part D claims for 578 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Aaron I. Benson, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.