Blue Downward Triangle

Our Team


Nashville Oncology Associates provides highest-quality care while also delivering compassion and respect for the individual needs of our patients and their families. Our providers are consistently known for their excellent oncology treatment in addition to providing a delicate atmosphere of trust and concern.

Karl M. Rogers, M.D.

Karl M. Rogers, M.D. attended Rush Medical College in Chicago where he received his M.D. degree in 1987. Upon graduation, Dr. Rogers moved to Nashville where he completed a medical internship and residency at Baptist Hospital in 1990.

He continued his training at Vanderbilt University and completed a fellowship program specializing in oncology and hematology in 1993. Dr. Rogers is board certified in medical oncology. Dr. Rogers treats all adult cancers including breast, colon, and lung with a special interest in lymphomas.
Dr. Rogers holds the following academic appointments:
• Instructor of Medicine, University of Tennessee, St. Thomas Midtown Hospital, 1993-Present
• Attending for Medical House staff Teaching Service, 6/93-Present
• Clinical Instructor in Nursing (Medicine), Vanderbilt University School of Nursing “ 7/00-Present

Dr. Rogers is an active member of the Nashville Academy of Medicine, Tennessee Medical Association, American Society of Clinical Oncology, American Cancer Society, and American College of Physicians. Dr. Rogers previously served as the Chairman of St. Thomas Midtown Hospital's Cancer Committee and Ethics Review Board. He also served as a board member of the Susan G. Komen Breast Cancer Foundation.

For nearly 30 years, Dr. Rogers has called Nashville home. Dr. Rogers' wife, Connie, is a nurse practitioner and works with him at Nashville Oncology Associates, PC. He is active in his community and church. Dr. Rogers is an avid pilot and enjoys flying airplanes, playing tennis, and bike riding.

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Carl R. Willis, M.D.

Dr. Carl R. Willis became an associate with Nashville Oncology Associates in June 2004. He currently serves as an Assistant Professor of Medicine for the University of Tennessee Health Sciences Internal Medicine Training Program based at St. Thomas Midtown Hospital as well as serving on several hospital committees.

Dr. Willis received his Bachelors of Science degree in Biology and Biochemistry in 1989 from the University of Alabama in Tuscaloosa, Alabama and he attended the University Of Alabama School Of Medicine in Birmingham, Alabama where he received his Doctor of Medicine in 1993.

After completing medical school, Dr. Willis received his commission as a Captain in the United States Army, Medical Corp. He completed his internship and residency training in Internal Medicine at Walter Reed Army Medical Center in Washington, DC in 1996. Dr. Willis then completed his fellowship training in Hematology and Oncology at the National Naval Medical Center in Bethesda, Maryland in 1999. During this time, he also participated in a Research Fellowship at Johns Hopkins University School of Medicine in Translational Research in Hematological Malignancies in Baltimore, Maryland.

Following completion of his training, Dr. Willis served as a staff Hematologist/ Oncologist at Walter Reed Army Medical Center for five years, as well as an Assistant Professor of Medicine at the Uniformed Services University of Health Sciences in Bethesda, MD.

Dr. Willis is board certified by the American Board of Internal Medicine in the disciplines of Internal Medicine, Medical Oncology and Hematology.

Dr. Willis became an associate with Nashville Oncology Associates, PC in June 2004. He currently serves as an Assistant Professor of Medicine for the University of Tennessee Health Sciences Internal Medicine Training Program based at St. Thomas Midtown Hospital as well as serving on several hospital committees.

Dr. Willis is an active member of the Nashville Medical Society, the Tennessee Medical Association, and the American Society of Clinical Oncology. Dr. Willis and his wife, Sonya have 3 children. He enjoys reading and spending time with his family.

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Connie Rogers, MSN, FNP-BC

Connie Rogers, MSN, FNP-BC is a Nashville native who graduated with honors from Belmont College in 1987 with a B.S. degree. She received her Masters of Science in Nursing from Vanderbilt University School of Nursing in 1991 at which time she was inducted into the Sigma Theta Tau International Honor Society of Nursing. Connie has 19 years of oncology experience.

She is also a pilot who enjoys flying, hiking, skiing, and scuba diving with her family.

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Cheryll Doss

Practice Manager

Cheryll Doss is from Springfield, Tennessee. She received her B.S. degree in Business Administration from the University of Tennessee at Martin in 1985. While there, she was a member of Phi Chi Theta and Alpha Omicron Pi. Cheryll is currently a member of the Medical Group Management Association, President for the Tennessee Medical Group Management Association, and Past President of the Nashville Medical Group Management Association.

She has served in other board and/or committee positions for both TMGMA and NMGMA. Cheryll has been the Practice Manager for Nashville Oncology Associates for over 20 years. Prior to joining Nashville Oncology Associates, Cheryll worked for Baptist Properties, Inc. and for Baptist Hospital, Inc. in the Department of Medical Affairs. Before that, she spent eight years with the world-renowned physicians at The Otology Group. Cheryll is married with two sons and is an active member at Barren Plains Baptist Church. She enjoys farm life and spending time with family and friends.

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Carrie Grosch

Practice Liaison

[Photo coming soon]

Carrie is thrilled to be the new Practice Liaison for Verdi Oncology, Inc. She has over 20 years of experience in a variety of industries, including healthcare, education, administration, marketing, and performing arts.

Due to the multifaceted nature of her experience, Carrie is an extremely effective communicator and can collaborate with a broad scope of personality types and industry leaders.

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Stran Barzani, FNP-C

Clinical Care Coordinator

[Photo Coming Soon]

Stran Barzani has been an oncology nurse for about 10 years. She is now a nurse practitioner. Stran has been working at Verdi for 2 1/2 years, having started as an infusion nurse in the Verdi Texas office.

Prior to graduation, She worked on Verdi's operations team to help with clinical practice optimization. In that role, she assisted with organizing the practice library with NCCN templated regimens and implementing the use of biosimilars.

In January, Stran accepted a new position with Verdi as our Clinical Care Coordinator. In this Practitioner role, she helps bring the care management model to our organization. Her goal is to provide patients and caregiver(s) with the guidance and support they need to better manage their care.

Aside from nursing care, Stran enjoys time with my family, including a young son. She loves traveling and learning about new cultures and traditions. Stran is Kurdish American and loves to spend summers in Kurdistan with family.

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