Dr. William McGuire, MD
Internist, Oncology Specialist (cancer)
39 years of experience
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).

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. William McGuire is Excellent. Dr. McGuire has been reviewed by 3 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.3
Courteous Staff 3.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

Dr. William McGuire, MD is board certified in Internal Medicine and Medical Oncology.

  • He has special expertise in 18 areas:
  • Adjuvant Chemotherapy
  • Blood Disorders
  • Breast Cancer
  • Cancer
  • Carcinoma
  • Drug DiscoveryDevelopment
  • Glandular Cancer Adenocarcinoma
  • Glandular and Epithelial Cancer
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Local Neoplasm Recurrence
  • Low Platelet Count Thrombocytopenia
  • Lung Cancer
  • Lung Cancer Small Cell Carcinoma
  • Metastatic Cancer
  • Ovarian Cancer
  • Peripheral Nervous System Diseases
  • Squamous Cell Carcinoma

Education & Awards

Dr. McGuire graduated from Baylor College of Medicine, Houston. He has 7 awards.

One of America's Leading Experts on:
Lung Cancer (Lung Neoplasm)
Ovarian Cancer (Ovarian Neoplasm)
Squamous Cell Carcinoma
Castle Connolly America's Top Doctors® (2006 - 2008, 2010 - 2013)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2012, 2014)


Dr. McGuire has 5 hospital affiliations:

  • Mercy Medical Center Inc 
  • Johns Hopkins Oncology Center 


  • French
  • Russian

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Additional Information
Dr. William Patrick McGuire MD is a male Internist, has 39 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. William P. McGuire practice?
Dr. William McGuire has 2 office locations.
Dr. William McGuire practices Internal Medicine and Medical Oncology near Annandale, VA.
Additional practice locations include: Falls Church, VA.
See Annandale Internists and Annandale Oncologists.