Jeffrey Leef, - Medicare Interventional Radiology in Chicago, IL

Jeffrey Leef, is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Chicago, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1986 and has 38 years of diverse experience with area of expertise as Interventional Radiology. He is a member of the group practice Loyola University Medical Center, University Of Chicago and his current practice location is 5841 S Maryland Ave, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (888) 824-0200.

Jeffrey Leef is licensed to practice in Illinois (license number 036076497) 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 1174674147.

Contact Information

Jeffrey Leef,
5841 S Maryland Ave,
Chicago, IL 60637-1443
(888) 824-0200
Not Available

Map and Direction




Physician's Profile

Full NameJeffrey Leef
GenderMale
SpecialityInterventional Radiology
Experience38 Years
Location5841 S Maryland Ave, 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:
  • Jeffrey Leef attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1986
  NPI Data:
  • NPI Number: 1174674147
  • Provider Enumeration Date: 01/16/2007
  • Last Update Date: 10/10/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3678536976
  • Enrollment ID: I20041108000887

Medical Identifiers

Medical identifiers for Jeffrey Leef such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174674147NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0204XRadiology - Vascular & Interventional Radiology 036076497 (Illinois)Secondary
2085R0202XRadiology - Diagnostic Radiology 036076497 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Macneal HospitalBerwyn, ILHospital
The University Of Chicago Medical CenterChicago, ILHospital
Gottlieb Memorial HospitalMelrose park, ILHospital
Loyola University Medical CenterMaywood, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Loyola University Medical Center3779488903863
University Of Chicago77198994261137

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. Jeffrey Leef allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Chicago
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821048786
PECOS PAC ID: 7719899426
Enrollment ID: O20031103000094
Entity NameLoyola University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336159961
PECOS PAC ID: 3779488903
Enrollment ID: O20031202000027
Entity NameUniversity Of Chicago
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477262046
PECOS PAC ID: 7719899426
Enrollment ID: O20230206002554

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. Jeffrey Leef 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
Jeffrey Leef,
150 Harvester Dr, Suite 300,
Burr Ridge, IL 60527-5919

Ph: () -
Jeffrey Leef,
5841 S Maryland Ave,
Chicago, IL 60637-1443

Ph: (888) 824-0200

Reviews and Comments


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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.

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