Joshua M. Allen, MD

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Review by Anonymous on September 20, 2025 -

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital) - 3580 Joseph Siewick Dr Ste 403

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Allen demonstrates an excelle... ”

Dr Allen demonstrates an excellent attitude and knowledge of current practices

Verified Patient

“Dr Allen demonstrates an excelle...”

Dr Allen demonstrates an excellent attitude and knowledge of current practices

Anonymous 09/20/2025

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Review by Anonymous on July 28, 2025 -

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital) - 3580 Joseph Siewick Dr Ste 403

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Allen was terrific, understoo... ”

Dr Allen was terrific, understood what I am going through and very professional with solutions

Verified Patient

“Dr Allen was terrific, understoo...”

Dr Allen was terrific, understood what I am going through and very professional with solutions

Anonymous 07/28/2025

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Review by Anonymous on June 02, 2025 -

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital) - 3580 Joseph Siewick Dr Ste 403

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Allen is the best.... ”

Dr. Allen is the best.

Verified Patient

“Dr. Allen is the best....”

Dr. Allen is the best.

Anonymous 06/02/2025

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Review by Anonymous on August 16, 2025 -

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital) - 3580 Joseph Siewick Dr Ste 403

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Well-prepared, articulate, super... ”

Well-prepared, articulate, superb communicator, immediately trustworthy manner. I strongly recommend this intelligent gentleman to all.

Verified Patient

“Well-prepared, articulate, super...”

Well-prepared, articulate, superb communicator, immediately trustworthy manner. I strongly recommend this intelligent gentleman to all.

Anonymous 08/16/2025

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Review by Anonymous on July 17, 2025 -

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital) - 3580 Joseph Siewick Dr Ste 403

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Allen helped explain my sympt... ”

Dr Allen helped explain my symptoms and actions needed.

Verified Patient

“Dr Allen helped explain my sympt...”

Dr Allen helped explain my symptoms and actions needed.

Anonymous 07/17/2025

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Review by Anonymous on May 04, 2025 -

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital) - 3580 Joseph Siewick Dr Ste 403

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Very good experience... ”

Very good experience

Verified Patient

“Very good experience...”

Very good experience

Anonymous 05/04/2025

Office Hours

Internal Medicine Physician - Medical Oncology

Biography

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Summary

Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

Inova Hematology Oncology - Fair Oaks (Dept of Fairfax Hospital)

Practice Colleagues

Jennifer Matro, MD - Internal Medicine Physician

Ashley Hanlon, MD - Internal Medicine Physician

Khurram Anwar, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance