Samuel H. Leon, MD
Gastroenterology Physician · Maywood, IL
Samuel H. Leon, MD is a gastroenterology physician with a practice address in Maywood, Illinois, and NPI 1326010067, issued on Feb 6, 2006. Check the license (Illinois 036174766, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Samuel H. Leon
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036174766 IL
29602 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (708) 216-9000
- Enumerated
- Feb 6, 2006
- Record last updated
- May 13, 2025
- Medicaid ID
- 468575000 MN
- Medicare enrollment
- Enrolled (PECOS I20250519001899); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 2160 S 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdelhai Abdelqader, MDGastroenterology Physician1073931127
- Samer Abdelsamie, D.M.DOral and Maxillofacial Surgery (Dentist)1366732257
- Zaid Abdelsattar, MD, MSCThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1760793293
- Gerges Abdelsayed, MBBCH BAODiagnostic Radiology Physician1942902606
Verify Samuel H. Leon 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 036174766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average gastroenterology physician in 2024
472 Medicare Part D claims for 218 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole193 claims
- Pantoprazole Sodium63 claims
- Sucralfate25 claims
- Famotidine16 claims
- Mesalamine13 claims
- Cholestyramine12 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
- Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
- Mngi Digestive Health PABloomington, MN
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.
Samuel H. Leon among 887 gastroenterology physician records in Illinois
Samuel H. Leon, 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
- Graduated1980 · 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).
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
- Jack Leya, MDMaywood, IL 601531336128602
- Sohrab Mobarhan, MDMaywood, IL 601531801875182
Common questions
What is Samuel H. Leon, MD's NPI number?
Samuel H. Leon, MD's National Provider Identifier (NPI) is 1326010067, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Samuel H. Leon, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (708) 216-9000. Providers update this record themselves, so call before visiting.
How can I verify Samuel H. Leon, MD's license?
NPPES lists Illinois license number 036174766, 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 Samuel H. Leon, MD prescribe under Medicare Part D?
In 2024, Samuel H. Leon, MD had 472 Medicare Part D claims for 218 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.