JOHN E O'TOOLE M.D.
NPI 1619926672
Neurological Surgery in Chicago, IL
About John E O'toole M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN E O'TOOLE M.D. (NPI 1619926672) is an individual neurological surgery provider in Chicago, Illinois and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Harvard Medical School (1999).
NPPES Registry Identity
Specialties & Licenses
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
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
John E O'toole 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.
Areas of Expertise CMS Part B claims 18
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILRush University Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
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 John O'toole's NPI number?
The NPI number for John O'toole is 1619926672. It was assigned to this individual provider in the NPPES registry on May 8, 2006.
Where is John O'toole located?
John O'toole practices at 1725 W Harrison St Suite 970, Chicago, IL 60612. The listed phone number is (312) 942-6644.
What is John O'toole's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is John O'toole enrolled in Medicare?
Yes. John O'toole 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 John O'toole accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list John O'toole 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 John O'toole affiliated with any hospitals?
According to CMS data, John O'toole is affiliated with Northshore University Healthsystem - Evanston Hospital and Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for John O'toole was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
