Thoracic Surgery
Nyen Chong, MD
Kaiser Permanente
Dr. Nyen Chong is a thoracic surgeon at Kaiser Permanente in Silver Spring, with more than 20 years of experience and a practice focused on the surgical treatment of chest and foregut disease.
Why patients choose Dr. Chong
Dr. Chong earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University and has a particular passion for the surgical treatment of lung cancer, esophageal cancer, and mediastinal tumors, along with a special interest in foregut surgery. He has been recognized as a Top Doctor by Bethesda Magazine in both 2023 and 2025 and cares for patients in English and Mandarin.
Clinical focus
Surgery for lung cancer, esophageal cancer, and mediastinal tumors, plus foregut and benign thoracic surgery.
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. Chong compares
Context from the 139 providers we track across Bethesda and Montgomery County.
The only one we list in Silver Spring
The only thoracic surgery provider in our registry serving Silver Spring.
The only provider we list offering mediastinal tumors
1 of the 130 providers who list their focus areas name mediastinal tumors.
The only Sidney Kimmel Medical College at Thomas Jefferson University graduate we list
1 of the 107 doctors whose medical school we record studied at Sidney Kimmel Medical College at Thomas Jefferson University.
1 of 3 Mandarin-speaking doctors
3 of the 139 providers in our registry (2%) practise in Mandarin, across 2 specialties.
Medical school: Sidney Kimmel Medical College at Thomas Jefferson University — Philadelphia, PA, 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. Chong sits by experience
Dr. Chong finished medical school in 1999, 27 years ago. Of the 135 providers in our registry whose graduation year we could verify, 64 finished earlier, 62 finished later, and 8 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 1990–1994Dr. Chong1999
1995–99
27 providers finished 1995–19992000–04
20 providers finished 2000–20042005–09
19 providers finished 2005–20092010–14
17 providers finished 2010–20142015–19
4 providers finished 2015–20192020–24
2 providers finished 2020–2024Among the 110 physicians we list, 60 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 — Dr. Chong | 27 |
| 2000–2004 | 20 |
| 2005–2009 | 19 |
| 2010–2014 | 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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