HAZEM NASSAR M.D.
NPI 1740412246
Internal Medicine in Chicago, IL

Active since August 17, 2009PECOS EnrolledAccepts Medicare Assignment
81.3/100
CMS Quality Rating
4600 N CLARENDON AVE, APT 1109, CHICAGO, IL 60640(773) 293-7133 Get Directions Write a Review

NPPES record last updated: January 25, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Hazem Nassar M.d. NPPES

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

HAZEM NASSAR M.D. (NPI 1740412246) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125056257) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with Grant Medical Center, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1740412246
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameHAZEM NASSARCredential: M.D.
Location Address4600 N CLARENDON AVE, APT 1109Chicago, IL 60640-5710
Mailing Address4600 N Clarendon Ave, Apt 1109Chicago, IL 60640-5710 · (773) 293-7133
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateAugust 17, 2009
Last NPPES UpdateJanuary 25, 2022
NPI 1740412246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 125056257
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4600 N CLARENDON AVE, Chicago, IL 60640

Accepted Insurance

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

Hazem Nassar M.d. 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 ID7911153010
PECOS Enrollment IDI20150806011502
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 4

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
112 services109 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
84 services47 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
36 services35 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Grant Medical Center

Acute Care Hospitals · Columbus, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360017
Location111 South Grant AvenueColumbus, OH 43215 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60640 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

81.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.58
Promoting Interoperability98
Improvement Activities40
Cost65.77

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

General Acute Care Hospital
4600 N CLARENDON AVE, APT 1006
CHICAGO, IL 60640
Social Worker (Clinical)
4600 N CLARENDON AVE, #1303
CHICAGO, IL 60640
General Acute Care Hospital (Critical Access)
4600 N CLARENDON AVE, THE COVINGTON
CHICAGO, IL 60640
Counselor (Professional)
4600 N CLARENDON AVE, APT 508
CHICAGO, IL 60640

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 Hazem Nassar's NPI number?

The NPI number for Hazem Nassar is 1740412246. It was assigned to this individual provider in the NPPES registry on August 17, 2009.

Where is Hazem Nassar located?

Hazem Nassar practices at 4600 N Clarendon Ave Apt 1109, Chicago, IL 60640. The listed phone number is (773) 293-7133.

What is Hazem Nassar's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hazem Nassar enrolled in Medicare?

Yes. Hazem 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.

What insurance does Hazem Nassar accept?

Health plans from CareSource, MedMutual and Molina Healthcare list Hazem Nassar 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 Hazem Nassar affiliated with any hospitals?

According to CMS data, Hazem Nassar is affiliated with Grant Medical Center.

When was this NPI record last updated?

The NPPES record for Hazem Nassar was last updated on January 25, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.