John E O'toole, MD - Medicare Neurosurgery in Chicago, IL

John E O'toole, MD is a medicare enrolled "Neurological Surgery" physician in Chicago, Illinois. He went to Harvard Medical School and graduated in 1999 and has 25 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Rush University Medical Center and his current practice location is 1725 W Harrison St, Suite 970, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 942-6644.

John E O'toole is licensed to practice in Illinois (license number ) 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 1619926672.

Contact Information

John E O'toole, MD
1725 W Harrison St, Suite 970,
Chicago, IL 60612-3841
(312) 942-6644
Not Available

Map and Direction




Physician's Profile

Full NameJohn E O'toole
GenderMale
SpecialityNeurosurgery
Experience25 Years
Location1725 W Harrison St, 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:
  • John E O'toole attended and graduated from Harvard Medical School in 1999
  NPI Data:
  • NPI Number: 1619926672
  • Provider Enumeration Date: 05/08/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1557373305
  • Enrollment ID: I20060620000008

Medical Identifiers

Medical identifiers for John E O'toole such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619926672NPI-NPPES

Medical Taxonomies and Licenses

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

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rush University Medical CenterChicago, ILHospital
Rush Oak Park HospitalOak park, ILHospital
Copley Memorial HospitalAurora, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rush University Medical Center5496658874997

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. John E O'toole allows following entities to bill medicare on his behalf.
Entity NameRush University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093819542
PECOS PAC ID: 5496658874
Enrollment ID: O20040202000228
Entity NameUniversity Neurosurgery
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154379485
PECOS PAC ID: 4486665759
Enrollment ID: O20060526000164

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. John E O'toole 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
John E O'toole, MD
1725 W Harrison St, Suite 970,
Chicago, IL 60612-3841

Ph: (312) 942-6644
John E O'toole, MD
1725 W Harrison St, Suite 970,
Chicago, IL 60612-3841

Ph: (312) 942-6644

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).

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