William Joseph Ares, MD - Medicare Neurosurgery in Evanston, IL

William Joseph Ares, MD is a medicare enrolled "Neurological Surgery" physician in Evanston, Illinois. He graduated from medical school in 2012 and has 12 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice North Shore University Healthsystem Faculty Practice Associates and his current practice location is 1000 Central St Ste 880, Evanston, Illinois. You can reach out to his office (for appointments etc.) via phone at (847) 570-1440.

William Joseph Ares is licensed to practice in Illinois (license number 036148890) 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 1396039442.

Contact Information

William Joseph Ares, MD
1000 Central St Ste 880,
Evanston, IL 60201
(847) 570-1440
(847) 570-1442



Physician's Profile

Full NameWilliam Joseph Ares
GenderMale
SpecialityNeurosurgery
Experience12 Years
Location1000 Central St Ste 880, Evanston, 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:
  • William Joseph Ares graduated from medical school in 2012
  NPI Data:
  • NPI Number: 1396039442
  • Provider Enumeration Date: 06/07/2011
  • Last Update Date: 07/08/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8820324379
  • Enrollment ID: I20190723000200

Medical Identifiers

Medical identifiers for William Joseph Ares such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396039442NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 036148890 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northshore University Healthsystem - Evanston HospitalEvanston, ILHospital
Swedish Covenant HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore University Healthsystem Faculty Practice Associates21633346991751

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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. William Joseph Ares allows following entities to bill medicare on his behalf.
Entity NameNorthshore University Healthsystem Faculty Practice Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497701882
PECOS PAC ID: 2163334699
Enrollment ID: O20040524000118

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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. William Joseph Ares 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
William Joseph Ares, MD
1000 Central St Ste 880,
Evanston, IL 60201-1780

Ph: (847) 570-1440
William Joseph Ares, MD
1000 Central St Ste 880,
Evanston, IL 60201

Ph: (847) 570-1440

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Neurological Surgery Doctors in Evanston, IL

Dr. Julian E Bailes Jr., MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Central St Ste 880, Evanston, IL 60201
Phone: 847-570-1440    
Dr. Michael Joseph Musacchio Jr., M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2650 Ridge Ave, Kellogg 3rd Floor, Evanston, IL 60201
Phone: 847-570-1440    Fax: 847-570-1442

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