Dr Mutazz Haj Darweesh, MD - Medicare Internal Medicine in Chicago, IL

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Dr Mutazz Haj Darweesh, MD is a medicare enrolled "Hospitalist" physician in Chicago, Illinois. He graduated from medical school in 1989 and has 37 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Freeport Memorial Hospital, United Elite Hospitalists Llc, Inpatient Consultants Of Illinois, P.c., Illinois Medical Care Ltd, Thorek Memorial Hospital, Epss Llc- Lakeside Series and his current practice location is 1801 West 47th Street, Childrens Medical Center, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (773) 847-9004.

Dr Mutazz Haj Darweesh is licensed to practice in Illinois (license number 036.113595) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205934395.

Contact Information

Dr Mutazz Haj Darweesh, MD
1801 West 47th Street, Childrens Medical Center,
Chicago, IL 60609-3872
(773) 847-9004
(773) 847-9008

Map and Direction




Physician's Profile

Full NameDr Mutazz Haj Darweesh
GenderMale
SpecialityInternal Medicine
Experience37 Years
Location1801 West 47th Street, Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mutazz Haj Darweesh graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1205934395
  • Provider Enumeration Date: 09/20/2006
  • Last Update Date: 07/30/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6901827716
  • Enrollment ID: I20051208000295

Medical Identifiers

Medical identifiers for Dr Mutazz Haj Darweesh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205934395NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 036-113595 (Illinois)Secondary
208M00000XHospitalist 036.113595 (Illinois)Primary
207R00000XInternal Medicine 036.113595 (Illinois)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Thorek Memorial HospitalChicago, ILHospital
Mercyhealth Fhn HospitalFreeport, ILHospital
Advocate Trinity HospitalChicago, ILHospital
Osf Little Company Of Mary Medical CenterEvergreen park, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Freeport Memorial Hospital8426958232168
United Elite Hospitalists Llc620407511225
Inpatient Consultants Of Illinois, P.c.953706431652
Illinois Medical Care Ltd96381556902
Thorek Memorial Hospital498159339949
Epss Llc- Lakeside Series105276980918

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mutazz Haj Darweesh allows following entities to bill medicare on his behalf.
Entity NameInpatient Consultants of Illinois, P.C.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548442569
PECOS PAC ID: 9537064316
Enrollment ID: O20031204000698
Entity NameFreeport Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447228788
PECOS PAC ID: 8426958232
Enrollment ID: O20040109000305
Entity NameThorek Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982643961
PECOS PAC ID: 4981593399
Enrollment ID: O20040313000143
Entity NameSaint Anthony Health Affiliates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881086064
PECOS PAC ID: 1254321474
Enrollment ID: O20040518000419
Entity NameIllinois Medical Care Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508980889
PECOS PAC ID: 9638155690
Enrollment ID: O20040629000793
Entity NameKnd Development 59 LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992034599
PECOS PAC ID: 3678602802
Enrollment ID: O20101021000962
Entity NameUnited Elite Hospitalists LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912279050
PECOS PAC ID: 6204075112
Enrollment ID: O20130625000212
Entity NameEpss LLC- Lakeside Series
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861271181
PECOS PAC ID: 1052769809
Enrollment ID: O20231205000431
Entity NameMonte Care Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336937747
PECOS PAC ID: 6406350586
Enrollment ID: O20250920000716

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mutazz Haj Darweesh is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mutazz Haj Darweesh, MD
1801 W 47th St,
Chicago, IL 60609-3872

Ph: (773) 847-9004		Dr Mutazz Haj Darweesh, MD
1801 West 47th Street, Childrens Medical Center,
Chicago, IL 60609-3872

Ph: (773) 847-9004

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.