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5.0(13 reviews)
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Office Hours at Inova Schar Cancer - Great Falls Clinic, A dept of Fairfax Hospital

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

Timothy L. Cannon, MD
Internal Medicine Physician - Medical Oncology

Highlights

  • Board Certified
  • Has Online Scheduling

Biography

Dr. Timothy Cannon is Sheridan Director, Molecular Tumor Board and Co-Director of the Gastrointestinal Cancer Program at Inova. He is a specialty care physician board certified in medical oncology wit… Read more ›

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Dr Cannon has exceeded my expectations throughout my entire treatment period, offering options, answering questions, and supporting my decisions.…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
University of Mississippi School of Medicine-JacksonOther DegreeNot Specified

CertificationCert. BodyYear
Internal medicine
Sub-Specialty: Hematology		Internal MedicineNot Specified

Photos

Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Medical Oncology

Years In Practice: 34 (started in 1992)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 13
Most Recent Review: 09/12/2026
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“Dr Cannon has exceeded my expect...”

Dr Cannon has exceeded my expectations throughout my entire treatment period, offering options, answering questions, and supporting my decisions.

Anonymous 09/12/2026
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Verified Patient

“Dr. Cannon is great...”

Dr. Cannon is great

Anonymous 06/14/2026
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Verified Patient

“Dr was very thorough in all aspe...”

Dr was very thorough in all aspects. Great meeting

Anonymous 12/13/2025
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Verified Patient

“Dr. Timothy Cannon is a true lif...”

Dr. Timothy Cannon is a true lifesaver and a profound blessing. In my darkest hours battling advanced-stage cancer, his unparalleled expertise, boundless compassion, and unwavering dedication have been nothing short of miraculous. He has quite literally saved my life on multiple occasions, embodying the role of an angel in human form. My heart overflows with gratitude for his extraordinary care, and I am endlessly thankful for his remarkable impact on my life.

Anonymous 11/20/2025
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Verified Patient

“Dr. Cannon and Dr. Li were frien...”

Dr. Cannon and Dr. Li were friendly, attentive and very knowledgeable about my medical history.

Anonymous 10/20/2025
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Verified Patient

“Recommended Dr. Timothy Cannon t...”

Recommended Dr. Timothy Cannon to a close friend and business associate for his Wife who had Cancer. Dr. Cannon and his team at The Schar Cancer Institute in Inova Fairfax. She was scheduled immediately, within (72) hours and I believe now she is Cancer "Free"

Anonymous 08/01/2026
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Verified Patient

“Very good !...”

Very good !

Anonymous 05/19/2026
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Verified Patient

“Was informed my case was unique ...”

Was informed my case was unique in some respects and was discussed by interdisciplinary team to cover contingencies, including unlikely worst case scenarios. Very helpful and encouraging to know this!

Anonymous 11/24/2025
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Verified Patient

“Way to go, Dr. Cannon!!! The bes...”

Way to go, Dr. Cannon!!! The best!!! Friendly, personable and immensely knowledgeable.

Anonymous 11/14/2025
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Verified Patient

“Dr. Canon is remarkably astute, ...”

Dr. Canon is remarkably astute, professional, and thorough.

Anonymous 09/11/2025
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Locations

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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Timothy L. Cannon, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Timothy L. Cannon, MD has not yet specified the insurance plans he accepts.