Kenneth I. Oriordan, MD
Gastroenterology Physician · Niles, IL
Kenneth I. Oriordan, MD is a gastroenterology physician with a practice address in Niles, Illinois, and NPI 1912075649, issued on Dec 1, 2006. Check the license (Illinois 036084107, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kenneth I. Oriordan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036084107 IL
57870 MT
Self-reported in NPPES; status is on the state search - Practice location
- 7900 Milwaukee Ave, Niles, IL 60714
- Phone
- (847) 318-9595
- Enumerated
- Dec 1, 2006
- Record last updated
- Oct 23, 2025
- Fax
- (847) 318-9599
- Medicaid ID
- 036084107 IL
- Medicare enrollment
- Enrolled (PECOS I20060112000077); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 7900 Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc Fine, MDGastroenterology Physician1720172729
- Hymie Kavin, MDGastroenterology Physician1447328174
- Dean Silas, MDGastroenterology Physician1093809089
Verify Kenneth I. Oriordan 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 036084107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average gastroenterology physician in 2024
278 Medicare Part D claims for 97 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Ursodiol33 claims
- Linzess17 claims
- Mesalamine17 claims
- Carvedilol15 claims
- Omeprazole13 claims
- Pantoprazole Sodium13 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.
2 hospitals and group practices
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kenneth I. Oriordan among 887 gastroenterology physician records in Illinois
Kenneth I. Oriordan, 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 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
- Graduated1998 · median 2003 among the 643 with a school on file
- Record last updated2025 · 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).
20 gastroenterology physician records list a practice address in Niles
They are 20 of the 589 NPPES records with a practice address in Niles, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Niles → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jorge Aliaga, M.D.Niles, IL 607141013019504
- Jeffrey Brasky, D.O.Niles, IL 607141891976981
- Juan Engel, MDNiles, IL 607141225122393
- Marc Fine, MDNiles, IL 607141720172729
- Abdul Haseeb, MDNiles, IL 607141598032989
- Samir Kakodkar, M.D.Niles, IL 607141164716577
- Jennifer Kang, M.D.Niles, IL 607141821521766
- Hymie Kavin, MDNiles, IL 607141447328174
Common questions
What is Kenneth I. Oriordan, MD's NPI number?
Kenneth I. Oriordan, MD's National Provider Identifier (NPI) is 1912075649, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth I. Oriordan, MD located?
The NPPES record lists a practice address at 7900 Milwaukee Ave, Niles, IL, 60714. Phone: (847) 318-9595. Providers update this record themselves, so call before visiting.
How can I verify Kenneth I. Oriordan, MD's license?
NPPES lists Illinois license number 036084107, 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 Kenneth I. Oriordan, MD prescribe under Medicare Part D?
In 2024, Kenneth I. Oriordan, MD had 278 Medicare Part D claims for 97 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.