
Highlights
Age Groups Seen
- Adolescent 12-17
- Adult 18-65
- Older Adult >65
Languages
- English
Gender
MaleAbout Marshall Diven
Marshall Diven, MD, MS, grew up in Hartsville, South Carolina. He went to Wofford College where he majored in Biology and received his undergraduate degree in 2012. He then completed a Masters Degree in Biomedical Sciences with an emphasis in Immunology and Microbiology at the Medical University of South Carolina College of Graduate Studies in Charleston, South Carolina. He obtained his doctorate in medicine at the University of South Carolina School of Medicine Greenville in 2020. He completed his transitional year program in Rome, Georgia. He went on to complete a Radiation Oncology residency at NewYork Presbyterian Brooklyn Methodist in collaboration with Weill Cornell Medicine in 2025. He and his wife Kelly enjoy staying active playing golf and going hiking among many other interests.
Locations
- Billings Clinic Thoracic Radiation Oncology
- 801 North 29th Street, Billings Clinic, Billings, MT 59101
- Get Directions
- Billings Clinic Oncology
- 801 North 29th Street, Billings Clinic, Billings, MT 59101
- Get Directions
- phone: 406-238-2500
Expertise
Education
- Residency: New York Presbyterian Methodist Hospital, Radiation Oncology, 2022
- Internship: AdventHealth Redmond, Transitional, 2021
- Medical School: University of South Carolina School of Medicine, MD , 2020
- Graduate: Medical University of South Carolina, MAS, 2015
- Undergraduate: Wofford College, BS, 2012
Ratings & Reviews
4.8 out of 5
32 ratings, 2 reviewsAt Billings Clinic, our goal is that everyone who walks through our doors will feel informed, heard, and cared for. Patient experience focuses on delivering critical aspects of healthcare such as easy access to information and good communication with health care providers. We monitor patient experience with patient surveys to understand how we are doing, identify opportunities for improvement, and recognize exceptional care and team members. The patient experience rating is an average of all responses to the care provider related questions shown below.
- 5 out of 5 starsReviewed on 1/30/2026
Dr. Diven is an excellent care provider and has taken the time to contact me after every visit. Also the support team was awesome. Keep up the great work!
- 5 out of 5 starsReviewed on 1/6/2026
Dr. Diven and team explained very well treatment and procedure.