Felix Davis Castro, MD

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Review by Anonymous on January 27, 2026 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 - “ Have been going to Dr Castro for... ”

Have been going to Dr Castro for many years. He continues to be very helpful and caring.

Verified Patient

“Have been going to Dr Castro for...”

Have been going to Dr Castro for many years. He continues to be very helpful and caring.

Anonymous 01/27/2026

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Review by Anonymous on November 07, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 Castro is great.... ”

Dr Castro is great.

Verified Patient

“Dr Castro is great....”

Dr Castro is great.

Anonymous 11/07/2025

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Review by Anonymous on October 21, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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. Castro was excellent!... ”

Dr. Castro was excellent!

Verified Patient

“Dr. Castro was excellent!...”

Dr. Castro was excellent!

Anonymous 10/21/2025

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Review by Anonymous on September 07, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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. Castro is fantastic... ”

Dr. Castro is fantastic

Verified Patient

“Dr. Castro is fantastic...”

Dr. Castro is fantastic

Anonymous 09/07/2025

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Review by Anonymous on July 18, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 - “ Good Dr.visit.... ”

Good Dr.visit.

Verified Patient

“Good Dr.visit....”

Good Dr.visit.

Anonymous 07/18/2025

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Review by Anonymous on January 21, 2026 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 - “ Good experience... ”

Good experience

Verified Patient

“Good experience...”

Good experience

Anonymous 01/21/2026

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Review by Anonymous on October 30, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 - “ Everything was excellent... ”

Everything was excellent

Verified Patient

“Everything was excellent...”

Everything was excellent

Anonymous 10/30/2025

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Review by Anonymous on October 09, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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. Castro was attentive and cle... ”

Dr. Castro was attentive and clear that all is well.

Verified Patient

“Dr. Castro was attentive and cle...”

Dr. Castro was attentive and clear that all is well.

Anonymous 10/09/2025

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Review by Anonymous on July 31, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 - “ My surgery was so well done, cou... ”

My surgery was so well done, courteous, professional, sanitary. A terrific experience in stressful situation of excising melanoma. Thank you.

Verified Patient

“My surgery was so well done, cou...”

My surgery was so well done, courteous, professional, sanitary. A terrific experience in stressful situation of excising melanoma. Thank you.

Anonymous 07/31/2025

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Review by Anonymous on June 06, 2025 -

Inova Cardiology - Fairfax - 8081 Innovation Park Dr. Ste 700

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 - “ I had a therapist who worked jus... ”

I had a therapist who worked just with me, not flitting from patients to patient, like in other PT companies

Verified Patient

“I had a therapist who worked jus...”

I had a therapist who worked just with me, not flitting from patients to patient, like in other PT companies

Anonymous 06/06/2025

Office Hours

Internal Medicine Physician - Cardiovascular Disease

Biography

Featured Review See More Reviews

Summary

Specialties

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Medical Specialties

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Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

Inova Cardiology - Fairfax

Practice Colleagues

Wayne Batchelor, MD - Internal Medicine Physician

Jared Spitz, MD - Internal Medicine Physician

Nicholas Balaji, MD - Internal Medicine Physician

Kevin Rogan, MD - Internal Medicine Physician

Qiong Zhao, MD - Internal Medicine Physician

Sachin Gandhi, MD - Internal Medicine Physician

Garima Sharma, MD - Internal Medicine Physician

John O'Brien, MD - Internal Medicine Physician

Christine Bussey, MD - Internal Medicine Physician

Marjaneh Akbari, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance