YOUSEF NASSAR
NPI 1750730677
Internal Medicine - Gastroenterology in Oak Lawn, IL
About Yousef Nassar NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YOUSEF NASSAR (NPI 1750730677) is an individual gastroenterology provider in Oak Lawn, Illinois, licensed in Illinois (036158704) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and maintains a secondary practice location in Albany.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Yousef Nassar is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mt Sinai Hospital Medical Center
Acute Care Hospitals · Chicago, ILHoly Cross Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK LAWN, IL 60453
OAK LAWN, IL 60453
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Yousef Nassar's NPI number?
The NPI number for Yousef Nassar is 1750730677. It was assigned to this individual provider in the NPPES registry on June 10, 2016.
Where is Yousef Nassar located?
Yousef Nassar practices at 4400 W 95th St Ste 310, Oak Lawn, IL 60453. The listed phone number is (708) 684-9230.
What is Yousef Nassar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Yousef Nassar enrolled in Medicare?
Yes. Yousef Nassar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Yousef Nassar affiliated with any hospitals?
According to CMS data, Yousef Nassar is affiliated with Mt Sinai Hospital Medical Center and Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Yousef Nassar was last updated on July 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
