Radiation Oncology
Aditya Halthore, MD
Johns Hopkins Health Care & Surgery Center — Bethesda
Dr. Aditya Halthore is an assistant professor of radiation oncology and molecular radiation sciences at the Johns Hopkins University School of Medicine, practicing at the Johns Hopkins Health Care & Surgery Center in Bethesda, where he serves as Director of Safety and Quality.
Why patients choose Dr. Halthore
Dr. Halthore earned his medical degree from the Geisel School of Medicine at Dartmouth and completed his radiation oncology residency at Hofstra/Northwell. An expert in proton therapy, he directs the Johns Hopkins Proton Therapy Certificate Program and specializes in genitourinary and thoracic cancers — including prostate, bladder, lung, esophageal, and thymic cancers. His research includes grant-funded trials on novel radiation techniques such as spatial fractionation (proton GRID) therapy for bulky tumors.
Clinical focus
Proton therapy and radiation for genitourinary and thoracic cancers, including prostate, bladder, lung, esophageal, and thymic cancers.
Profile last fact-checked July 17, 2026. Information reflects publicly available sources and may change. Confirm details directly with the practice before booking.
How Dr. Halthore compares
Context from the 139 providers we track across Bethesda and Montgomery County.
The only provider we list offering proton therapy
1 of the 130 providers who list their focus areas name proton therapy.
The only Geisel School of Medicine at Dartmouth graduate we list
1 of the 107 doctors whose medical school we record studied at Geisel School of Medicine at Dartmouth.
1 of 2 we list at Johns Hopkins Health Care & Surgery Center, Bethesda
We cover 2 providers at Johns Hopkins Health Care & Surgery Center, Bethesda.
We list 4 radiation oncology providers serving Bethesda.
2nd most recently qualified of our 6 radiation oncology providers
Qualified in 2012. The median for the 6 radiation oncology providers whose year we record is 2007.
Medical school: Geisel School of Medicine at Dartmouth — Hanover, NH, United States.
Figures describe the 139 providers currently in the MyBethesdaDoctor registry as of August 2026 — a curated directory, not a census of every doctor in Montgomery County. How we build this list.
Where Dr. Halthore sits by experience
Dr. Halthore finished medical school in 2012, 14 years ago. Of the 135 providers in our registry whose graduation year we could verify, 117 finished earlier, 10 finished later, and 7 finished the same year.
1965–69
1 provider finished 1965–19691970–74
2 providers finished 1970–19741975–79
4 providers finished 1975–19791980–84
13 providers finished 1980–19841985–89
12 providers finished 1985–19891990–94
14 providers finished 1990–19941995–99
27 providers finished 1995–19992000–04
20 providers finished 2000–20042005–09
19 providers finished 2005–2009Dr. Halthore2012
2010–14
17 providers finished 2010–20142015–19
4 providers finished 2015–20192020–24
2 providers finished 2020–2024Among the 110 physicians we list, 102 finished medical school earlier — the median for that group is 1998.
All 12 bands
| Graduated | Providers |
|---|---|
| 1965–1969 | 1 |
| 1970–1974 | 2 |
| 1975–1979 | 4 |
| 1980–1984 | 13 |
| 1985–1989 | 12 |
| 1990–1994 | 14 |
| 1995–1999 | 27 |
| 2000–2004 | 20 |
| 2005–2009 | 19 |
| 2010–2014 — Dr. Halthore | 17 |
| 2015–2019 | 4 |
| 2020–2024 | 2 |
Figures describe the 139 providers currently in the MyBethesdaDoctor registry as of August 2026 — a curated directory, not a census of every doctor in Montgomery County. Based on the 135 of 139 profiles with a graduation year we could verify against a primary source; the remaining 4 are left out rather than estimated. How we build this list.
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