Roberto Oleas, MD
Gastroenterology Physician · Maywood, IL
Roberto Oleas, MD is a gastroenterology physician with a practice address in Maywood, Illinois, and NPI 1235701657, issued on Jul 14, 2021. Check the license (Illinois 036168177, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Roberto Oleas
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036168177 IL
125077506 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (888) 584-7888
- Enumerated
- Jul 14, 2021
- Record last updated
- Jul 16, 2024
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
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Verify Roberto Oleas 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 036168177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average gastroenterology physician in 2024
49 Medicare Part D claims for 25 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of 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: $95.24
1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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.
Roberto Oleas among 887 gastroenterology physician records in Illinois
Roberto Oleas, MD 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 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 4% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2024 · 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).
41 gastroenterology physician records list a practice address in Maywood
They are 41 of the 2,572 NPPES records with a practice address in Maywood, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Maywood → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Elora Arya, M.D.Maywood, IL 601531881894475
- Agata Bednarz, M.D.Maywood, IL 601531477671527
- Charles Broy, M.D.Maywood, IL 601531952449340
- Suzanne Daly, M.D.Maywood, IL 601531780770446
- Lesley Dawravoo, M.D.Maywood, IL 601531588820781
- Michael Klamut, MDMaywood, IL 601531700865086
- Samuel Leon, MDMaywood, IL 601531326010067
- Jack Leya, MDMaywood, IL 601531336128602
Common questions
What is Roberto Oleas, MD's NPI number?
Roberto Oleas, MD's National Provider Identifier (NPI) is 1235701657, issued on Jul 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Roberto Oleas, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (888) 584-7888. Providers update this record themselves, so call before visiting.
How can I verify Roberto Oleas, MD's license?
NPPES lists Illinois license number 036168177, 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 Roberto Oleas, MD prescribe under Medicare Part D?
In 2024, Roberto Oleas, MD had 49 Medicare Part D claims for 25 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.