Donald B. Fuller, MD

Practice: Unio Specialty Care

Specialty: Radiation Oncology

Office locations: Escondido, San Diego

Most recent review: 1 week ago New
4.9 out of 5
392 Ratings
141 Comments

Dr. Donald B. Fuller, M.D., earned his medical degree at the University of Washington School of Medicine, completed his internship at Santa Barbara Cottage Hospital, and finished his radiation oncology residency at LDS Hospital. Board-certified by the ABR, he underwent specialized training at MD Anderson and in CyberKnife techniques. He specializes in radiation oncology, prostate brachytherapy, CyberKnife stereotactic radiotherapy, and targeted cancer treatments.

4.9 out of 5
392 Ratings
141 Comments

Dr. Donald B. Fuller, M.D., earned his medical degree at the University of Washington School of Medicine, completed his internship at Santa Barbara Cottage Hospital, and finished his radiation oncology residency at LDS Hospital. Board-certified by the ABR, he underwent specialized training at MD Anderson and in CyberKnife techniques. He specializes in radiation oncology, prostate brachytherapy, CyberKnife stereotactic radiotherapy, and targeted cancer treatments.

The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.

Always informative and undertsanding.

Rated 5 out of 5 stars
(1 week ago) Oct-2026

Everyone was very nice & I didn’t have to wait.

Rated 5 out of 5 stars
(1 week ago) Oct-2026

Very relaxing and easy to talk too. He is thorough

Rated 4 out of 5 stars
(1 week ago) Oct-2026

Just getting started...

Rated 4 out of 5 stars
(2 weeks ago) Oct-2026

Dr. Fuller is a fine detailed radiation oncologist. His attention to details others might miss make him an extraordinary physician. His proactive inclinations saved my life.

Rated 5 out of 5 stars
(2 weeks ago) Oct-2026

Absolutely the best care provider.

Rated 5 out of 5 stars
(3 weeks ago) Oct-2026

Extremely knowledgeable

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Super informative and patient oriented Dr.

Rated 5 out of 5 stars
(1 month ago) Sep-2026

He is a great physician

Rated 5 out of 5 stars
(2 months ago) Aug-2026

Was very easy to talk with and answered our questions with knowledge we could understand.

Rated 5 out of 5 stars
(2 months ago) Aug-2026