MultiPlan PPO
Dr. Gregory Sibley, MD
Radiation Oncology*
Age 62
5.0 (1 Ratings)
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Dr. Gregory Sibley, MD is a Radiation Oncologist in Fairfax, VA.
Dr. Gregory Sibley, MD
Fairfax, VA
Accepting new patients
36 years of experience
Dr. Gregory Sibley, MD is a Radiation Oncologist in Fairfax, VA.
About
Dr. Sibley graduated from
Explains Conditions Well
Patients said this doctor explains conditions well.
Trustworthy
Patients said this doctor is trustworthy.
Low Wait Times
Patients are usually seen in 10 minutes or less.
Friendly Staff
Patients said the staff was friendly.
Easy Scheduling
Patients said scheduling was easy.
Experience Check
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Insurance Accepted
* Please verify this information when scheduling an appointment.
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Curative PPOCurative EPOCurative PPO Plus
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HealthyBlue AdvantageHealthyBlue 2.0
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Open Access PlusCigna PPO
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Individual Basic KeyCare-VAHealthKeepers Bronze Pathway OAPOS-VA
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Blue Card PPO
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First Health (Coventry Health Care) PPO
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AetnaSelect
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KeyCare PPO
Locations
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Virginia Cancer Specialists - Fairfax Radiation Oncology Center8613 Route 29, Fairfax, VA 22031SaturdayClosedSundayClosed
Patient Satisfaction
Likelihood to recommend Dr. Sibley
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)
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Patient Reviews
Jan 15, 2026
Dr. Sibley was excellent at explaining, in detail, everything involved with radiation for my breast cancer treatment. He included drawings, verbal explanations I could understand, all with a positive demeanor. I felt very comfortable speaking with him.
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About Me
Specialties*
Radiation Oncology
- *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Does Dr. Sibley communicate via email?
23 users said yes.
Yes
(23)
No
(11)
Does Dr. Sibley offer telehealth services or virtual visits?
23 users said yes.
Yes
(23)
No
(5)
Does Dr. Sibley offer an online patient portal?
32 users said yes.
Yes
(32)
No
(3)
Does Dr. Sibley have free onsite parking?
49 users said yes.
Yes
(49)
No
(0)
Does Dr. Sibley offer weekend visits?
4 users said yes.
Yes
(4)
No
(22)
Does Dr. Sibley offer evening visits?
8 users said yes.
Yes
(8)
No
(18)
Does Dr. Sibley specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sibley specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sibley specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sibley specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sibley accept insurance?
No responses yet.
Yes
(0)
No
(0)
Frequently Asked Questions
Find contact information here to make an appointment.
A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.
New patients are generally accepted by Dr. Gregory Sibley, MD. To arrange an appointment, call the number on Dr. Sibley's profile.
Dr. Sibley in specializes in Radiation Oncology. See more on Sharecare.
Dr. Sibley's office is located at 8613 Route 29 Fairfax, VA 22031. You can find other locations and directions on Sharecare.
Dr. Sibley provides telehealth services. Please contact the office to determine whether you are eligible.
Dr. Gregory Sibley, MD is affiliated with Inova Loudoun Hospital, Inova Alexandria Hospital, The Johns Hopkins Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital, Inova Mount Vernon Hospital, Stonesprings Hospital Center, Reston Hospital Center, Frederick Health Hospital, UVA Health Haymarket Medical Center, Jefferson Medical Center, Mary Washington Hospital, Sentara Northern Virginia Medical Center, Shenandoah Memorial Hospital, United Hospital Center and Virginia Hospital Center.
Yes, Dr. Gregory Sibley, MD holds board certification in Radiation Oncology.
Dr. Gregory Sibley, MD has a star rating of 5.0/5. See more patient feedback on Sharecare.
Education
Medical Education
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University of Michigan Medical School
1990
Board Certifications
- Radiation Oncology
Internship
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St. Joseph Mercy Hospital
1991
Residency Hospital
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University of Chicago
1995
Fellowship Hospital
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University Of Chicago Medicine
1995
Hospital Affiliations
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Inova Loudoun Hospital
44045 Riverside Pkwy, Leesburg, VA
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Inova Alexandria Hospital
4320 Seminary Rd, Alexandria, VA
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The Johns Hopkins Hospital
1800 Orleans St, Baltimore, MD
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Inova Fairfax Hospital
3300 Gallows Rd, Falls Church, VA
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Inova Fair Oaks Hospital
3600 Joseph Siewick Dr, Fairfax, VA
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Inova Mount Vernon Hospital
2501 Parkers Ln, Alexandria, VA
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Stonesprings Hospital Center
24440 Stone Springs Blvd, Dulles, VA
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Reston Hospital Center
1850 Town Center Pkwy, Reston, VA
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Frederick Health Hospital
400 W 7th St, Frederick, MD
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UVA Health Haymarket Medical Center
15225 Heathcote Blvd, Haymarket, VA
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Jefferson Medical Center
300 S Preston St, Ranson, WV
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Mary Washington Hospital
1001 Sam Perry Blvd, Fredericksburg, VA
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Sentara Northern Virginia Medical Center
2300 Opitz Blvd, Woodbridge, VA
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Shenandoah Memorial Hospital
759 S Main St, Woodstock, VA
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United Hospital Center
327 Medical Park Dr, Bridgeport, WV
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Virginia Hospital Center
1701 N George Mason Dr, Arlington, VA
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