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DR. GAIL B HAJJAR MD
NPI 1780764530
Anesthesiology in Chicago, IL

Active since October 16, 2006PECOS EnrolledAccepts Medicare Assignment
5650 N SHERIDAN RD APT 21H, CHICAGO, IL 60660(312) 485-9213 Get Directions Write a Review

NPPES record last updated: July 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 3, 2024, Dec 5, 2023 (2 updates tracked since 2023).

About Dr. Gail B Hajjar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GAIL B HAJJAR MD (NPI 1780764530) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036-079287) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Wayne State University School Of Medicine (1984).

NPPES Registry Identity

NPI1780764530
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. GAIL B HAJJARCredential: MD
Location Address5650 N SHERIDAN RD APT 21HChicago, IL 60660-4835
Mailing Address5650 N Sheridan Rd Apt 21hChicago, IL 60660-4835 · (312) 485-9213
Phone(312) 485-9213
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 1984
Enumeration DateOctober 16, 2006
Last NPPES UpdateJuly 29, 20252 updates tracked since enumeration
NPPES CertifiedJuly 29, 2025
✔ NPI 1780764530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IL · 036-079287
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
5650 N SHERIDAN RD APT 21H, Chicago, IL 60660
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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

Dr. Gail B 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.

PECOS PAC ID9234195694
PECOS Enrollment IDI20051006000546
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
22 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

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 Gail Hajjar's NPI number?

The NPI number for Gail Hajjar is 1780764530. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Gail Hajjar located?

Gail Hajjar practices at 5650 N Sheridan Rd Apt 21H, Chicago, IL 60660. The listed phone number is (312) 485-9213.

What is Gail Hajjar's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Gail Hajjar enrolled in Medicare?

Yes. Gail 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.

Is Gail Hajjar affiliated with any hospitals?

According to CMS data, Gail Hajjar is affiliated with Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Gail Hajjar was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.