Cardiothoracic Surgeon, Surgical Specialist
35 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. William Warren is Good. Dr. Warren has been reviewed by 9 patients who have provided 6 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 4.2
Courteous Staff 4.2
Accurate Diagnosis 4.2
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 4.2

Specialties & Research

Dr. William Warren, MD is board certified in Thoracic Surgery (Cardiothoracic Vascular Surgery).

  • He has special expertise in 23 areas:
  • Adenoid Cystic Carcinoma
  • Biopsy
  • Brachytherapy
  • Breast Cancer
  • Bronchoscopy
  • Cancer
  • Carcinoid Tumor
  • Carcinoma
  • Colon Cancer
  • Esophagus Cancer (Esophogeal Neoplasm)
  • Glandular Cancer (Adenocarcinoma)
  • Lung Cancer
  • Lung Cancer (Bronchial Neoplasm)
  • Lung Cancer (Non-Small-Cell Lung Carcinoma)
  • Lung Cancer (Pleural Neoplasms)
  • Lung Cancer (Pulmonary Sclerosing Hemangioma)
  • Mesothelioma (Asbestos-related Cancer)
  • Neuroendocrine Tumors
  • Pneumonectomy (Lung removal)
  • Pulmonary Emphysema (COPD)
  • > Show all expertise

Education & Awards

Dr. Warren graduated from University Of Toronto Faculty Of Medicine. He has 6 awards.

One of America's Leading Experts on:
Carcinoid Tumor
Glandular Cancer (Adenocarcinoma)
Lung Cancer (Bronchial Neoplasm)
Lung Cancer (Lung Neoplasm)
Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Warren has 15 hospital affiliations:

  • Rush Oak Park Hospital 
  • Macneal Memorial Hospital 


  • Spanish
  • French
  • English

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Additional Information
Dr. William H Warren MD is a male Cardiothoracic Surgeon, has 35 years of experience and practices in Thoracic Surgery and Cardiothoracic Vascular Surgery.
Where does Dr. William H. Warren practice?
Dr. William Warren has 5 office locations.
Dr. William Warren practices Thoracic Surgery and Cardiothoracic Vascular Surgery near Chicago, IL.
Additional practice locations include: Skokie, IL and Oak Park, IL.
See Chicago Cardiothoracic Surgeons.