Maria El Gemayel, MD
Gastroenterology Physician · Chicago, IL
Maria El Gemayel, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1306520309, issued on Jun 12, 2023. Check the license (Illinois 036.177061, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria El Gemayel
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036.177061 IL
036177061 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1740 W Taylor St, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- Jun 12, 2023
- Record last updated
- Oct 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20251009000307); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 1740 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francisco AbancoCertified Registered Nurse Anesthetist1255844288
- Leena Abbas, MDStudent in an Organized Health Care Education/Training Program1679376594
- Herand AbcarianColon & Rectal Surgery Physician1881792372
- Ivy AbrahamHematology & Oncology Physician1497172845
- Rohit Abraham, MD, MPH, MATPsychiatry Physician1013478932
- Ereni Abuaita, DOInternal Medicine Physician1013710961
Verify Maria El Gemayel 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 036.177061Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
29 Medicare Part D claims for 12 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria El Gemayel among 887 gastroenterology physician records in Illinois
Maria El Gemayel, 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 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · 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).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Frida Abrahamian, MDChicago, IL 606121447274279
- Purnima Balachandran, MDChicago, IL 606121659318509
- Michael Brown, M.D.Chicago, IL 606121265477293
- Keith Bruninga, M.D.Chicago, IL 606121881638823
- Mark Demeo, M.D.Chicago, IL 606121972549327
- Mohammad Fayyaz, MDChicago, IL 606121992731616
- Benjamin Go, M.D.Chicago, IL 606121982624946
- Ali Keshavarzian, M.D.Chicago, IL 606121558302257
Common questions
What is Maria El Gemayel, MD's NPI number?
Maria El Gemayel, MD's National Provider Identifier (NPI) is 1306520309, issued on Jun 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maria El Gemayel, MD located?
The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Maria El Gemayel, MD's license?
NPPES lists Illinois license number 036.177061, 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 Maria El Gemayel, MD prescribe under Medicare Part D?
In 2024, Maria El Gemayel, MD had 29 Medicare Part D claims for 12 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.