Flavia Esteve Kostov, MD

Cancer Care, Medical Oncology, Hematology/Oncology

Languages Spoken:

English

Gender:

Female

4.9
Based on 286 ratings
Flavia Esteve Kostov, MD

About Flavia Esteve Kostov, MD

Dr. Kostov earned her medical degree from the Bahian School of Medicine and Public Health in Brazil in 2001. She completed an internal medicine residency at Allegheny General Hospital in Pittsburgh in 2005, followed by a hematology-oncology fellowship at the University of Pittsburgh in 2008. Dr. Kostov is board-certified by the American Board of Internal Medicine with subspecialty certification in medical oncology and hematology.

Dr. Kostov’s grandparents, who are also hematologists, inspired her to work in the same medical field. She is experienced in general and malignant hematology and medical oncology, with particular expertise in breast cancer and lung cancer. She bases her practice on two philosophies: treat others the way you would want to be treated, and do no harm. Dr. Kostov feels that she needs her patients as much as they need her.

Originally from Brazil, Dr. Kostov enjoys Hampton Roads for its water, mild weather, sweet Southern folks and the ability to work for a strong health system. Her favorite activities include exercising, cooking and hanging out with her family. Dr. Kostov is married with two sons.

Education

Medical: Escola Paulista de Medicina
Residency: Allegheny General Hospital
Fellowship: University of Pittsburgh Medical Center

Board Certifications

American Board of Internal Medicine - Hematology
American Board of Internal Medicine - Medical Oncology

Locations

Riverside Peninsula Cancer Institute and Infusion Center Newport News

12100 Warwick Boulevard, 201-B, Newport News, VA 23601

Get Directions And Drive Time

Riverside Peninsula Cancer Institute and Infusion Center Gloucester

7544 Medical Drive, B-1, Gloucester, VA 23061

Get Directions And Drive Time

Riverside Peninsula Cancer Institute and Infusion Center Williamsburg

120 Kings Way, 3100-A, Williamsburg, VA 23185

Get Directions And Drive Time

Ratings & Reviews

Riverside Health is committed to exceptional quality, safety and service. All ratings and comments are obtained from patient survey data collected and verified by Press Ganey, an independent organization focused on improving patient experience. Star ratings are displayed for those physicians who participate in Riverside’s patient experience survey program through Press Ganey and have received a minimum of 30 surveys responses.

Overall Satisfaction
4.9
Based on 286 ratings
5 out of 5 stars
5 out of 5 stars
February 19, 2026
Doctor Kostov is always an excellent communicator. She talks her time, listens, and explains herself well.
5 out of 5 stars
5 out of 5 stars
February 18, 2026
Dr. Kostov is wonderful. Up to date on my medical issues. She listens then patiently explains the proposed treatment plan.
5 out of 5 stars
5 out of 5 stars
February 03, 2026
Dr. Kostav is amazing and it is reflected in her team.
5 out of 5 stars
5 out of 5 stars
February 03, 2026
Dr Kostov provides outstanding care!.
5 out of 5 stars
5 out of 5 stars
February 01, 2026
Excellent in every way.
5 out of 5 stars
5 out of 5 stars
February 01, 2026
Dr. Kostov deserves an excellent rating, she truly is a "Top Doc"
5 out of 5 stars
5 out of 5 stars
January 31, 2026
Dr. Kostov is a great listener and in return offers her heartfelt opinion and advice. You can tell she really cares about her patients.
5 out of 5 stars
5 out of 5 stars
January 27, 2026
Dr. Kostov is a very caring and dedicated and knowledgeable physician. She always makes me feel at ease about my health.
5 out of 5 stars
5 out of 5 stars
January 23, 2026
I've seen Dr. Kostav for years for my cancer treatments and follow up care. She's always responsive to her patients whether during a visit or through messages. I always feel heard.
5 out of 5 stars
5 out of 5 stars
January 21, 2026
Previous PET scan and all other issues about my cancer was discussed and informative
5 out of 5 stars
5 out of 5 stars
January 18, 2026
Dr Kostov is exceptional! There is no one like her!
5 out of 5 stars
5 out of 5 stars
January 18, 2026
I'm so thankful that I have Dr Kostov. She is caring and always answers all my questions.
5 out of 5 stars
5 out of 5 stars
January 15, 2026
She is the best. I feel safe with her. I would recommend her to anyone. 8
5 out of 5 stars
5 out of 5 stars
January 13, 2026
Dr Kostov is an extraordinary physician! I have a genetic predisposition towards two types of cancers and she has steadfastly maintained vigilance to make sure I can be properly treated if/when it recurs/develops. Plus, she listens to me and respects what I have to say. For that I am quite appreciative. And she has caught some medical problems that were not oncological in nature but that showed up on some of my tests. I'm grateful that she's contacted other specialists on my behalf to let them know. This woman *cares*!
5 out of 5 stars
5 out of 5 stars
January 13, 2026
Dr. Kostov is excellent! Very knowledgeable and caring.
3.4 out of 5 stars
3.4 out of 5 stars
December 28, 2025
Good
5 out of 5 stars
5 out of 5 stars
December 20, 2025
Dr. Kostov is a wonderful, kind and careing oncologist. Always concerned about the patient.
5 out of 5 stars
5 out of 5 stars
December 20, 2025
She explained to me my concerns
5 out of 5 stars
5 out of 5 stars
December 19, 2025
Dr. Kostov demonstrates knowledge and concern about my health situations through proactive and reactive monitoring and treatment.
5 out of 5 stars
5 out of 5 stars
December 15, 2025
A score of five wasn't high enough to reflect the quality of care provided to me by Dr. Kostov. I give her a 10 all around.
Reviews 1-20 of 75

Blog Articles

Featuring: Flavia Esteve Kostov, MD


Cancer Primary Care +1 More

Genetics and cancer: What you need to know

Learn More
genetics