MAURICE EDWARD HAJJAR MD
NPI 1629572078
Emergency Medicine in Chicago, IL
About Maurice Edward Hajjar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAURICE EDWARD HAJJAR MD (NPI 1629572078) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (125.072263) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Maurice Edward Hajjar Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Maurice Hajjar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 221 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 39 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Maurice Hajjar's NPI number?
The NPI number for Maurice Hajjar is 1629572078. It was assigned to this individual provider in the NPPES registry on March 21, 2018.
Where is Maurice Hajjar located?
Maurice Hajjar practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.
What is Maurice Hajjar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Maurice Hajjar enrolled in Medicare?
Yes. Maurice Hajjar 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.
Which organizations bill Medicare for Maurice Hajjar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maurice Hajjar reassigns Medicare benefits to 3 organizations: Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA), Winchester Physician Associates, Inc (Winchester, MA) and Winchester Emergency Medical Associates PC (Winchester, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maurice Hajjar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maurice Hajjar accept?
Health plans from Taro Health list Maurice Hajjar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Maurice Hajjar affiliated with any hospitals?
According to CMS data, Maurice Hajjar is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Maurice Hajjar was last updated on May 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.