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Radiation Oncology Residents


Avani Rao
Avani Rao, MD

Hometown: Middlesboro, Kentucky
Undergraduate: Yale University
Graduate School: None
Medical School: Johns Hopkins School of Medicine
Intern Year Program: Johns Hopkins Bayview Internal Medicine
Research/Academic Interests: Pancreatic cancer, SBRT
Outside Interests: Running, yoga, and cooking

Adam Ferro
Adam Ferro, MD, MS

Hometown: Jackson, NJ
Undergraduate: Bucknell University
Graduate: MSCTS at Rutgers University
Medical School: Rutgers-Robert Wood Johnson
Intern Year Program: Medstar Washington Hospital Center
Research/Academic Interests: Clinical investigation into breast and lung cancer and novel radiosensitization therapies
Outside Interests: Sports enthusiast (golf, basketball, and football)

Sarah Nichols
Sarah Nicholas, MD

Hometown: Baltimore, MD
Undergraduate: University of Maryland
Medical School: University of Maryland
Intern Year Program: Sinai Hospital of Baltimore
Research/Academic Interests: Utilization of stereotactic radiation therapy and immunotherapy
Outside Interests: traveling, cooking, spending time with friends and family

Luke Peng
Luke Peng, MD, ScM

Hometown: Stoneham, MA
Undergraduate: Brown University
Graduate School: Brown University, Sc.M. in Computer Science
Medical School: Weill Cornell Medical College
Intern Year Program: Maimonides Medical Center, Brooklyn, NY
Research/Academic Interests: Cancer genomics, immunotherapy, bioinformatics
Outside Interests: basketball, music, reading, spending time with family


Zachary Guss
Zach Guss, MD, MSc

Hometown: Palm Springs, California
Undergraduate: Harvard University
Graduate School: University of Oxford
Medical School: Johns Hopkins University
Intern Year Program: Internal Medicine, Naval Medical Center San Diego, CA
Research/Academic Interests: Charged Particle Therapy, CNS
Outside Interests: Surfing, cooking, tennis, travel

Linda Chen
Linda Chen, MD

Hometown: Aurora, IL
Undergraduate: Duke University
Medical School: Duke University School of Medicine
Intern Year Program: Johns Hopkins Hospital Osler Medicine Internship
Research/Academic Interests: Translational research in molecular mechanisms underlying tumor migration and understanding the interaction between immunotherapy and radiation
Outside Interests: Cooking, travel, hiking

Kevin Conley
Kevin Conley, MD, MPH

Hometown: Panama City Beach, FL
Undergraduate: University of Notre Dame
Graduate School: Johns Hopkins School of Public Health
Medical School: University of Florida
Intern Year Program: Naval Medical Center San Diego, Transitional Year
Research/Academic Interests: healthcare safety and quality, medical ethics
Outside Interests: family life, surfing, fishing

Arti Parekh
Arti Parekh, MD

Hometown: Silver Spring, MD
Undergraduate: Boston University combined BA/MD program
Medical School: Boston University
Intern Year Program: Mount Auburn Hospital
Research/Academic Interests: Pancreatic cancer, physician practice patterns, stereotactic radiation
Outside Interests: travel, yoga, being outdoors


Colette Shen
Colette Shen, MD, PhD

Hometown: Houston, TX
Undergraduate: Harvard University
Graduate School: University of Pennsylvania (Bioengineering)
Medical School: University of Pennsylvania
Intern Year Program: Inova Fairfax, Transitional Year
Research/Academic Interests: Novel imaging techniques, radiopharmaceuticals, tumor angiogenesis and microenvironment
Outside Interests: Golf, kayak, skiing, travel, salsa dancing

Ariel Marciscano
Ariel Marciscano, MD

Hometown: Bridgewater, NJ
Undergraduate: Georgetown University
Graduate School: n/a
Medical School: NYU School of Medicine
Intern Year Program: Massachusetts General Hospital
Research/Academic Interests: translational research: modulation of the tumor microenvironment, immuno-PET imaging; benign and malignant tumors of the CNS; stereotactic radiosurgery and immune checkpoint blockade
Outside Interests: avid soccer fan, exploring new concert venues, running along the Baltimore harbor

Shereef Elnahal
Shereef Elnahal, MD, MBA

Hometown: Linwood, NJ
Undergraduate: Johns Hopkins University
Graduate School: Harvard Business School
Medical School: Harvard Medical School
Intern Year Program: Brigham and Women's Hospital
Research/Academic Interests: Operations management, health care quality, patient safety
Outside Interests: guitar, bass guitar, ukulele, tennis


Omar Mian
Omar Mian, MD, PhD

Hometown: Great Falls, VA
Undergraduate: James Madison University
Graduate School: Johns Hopkins University
Medical School: Medical College of Virginia
Intern Year Program: VCU Health Systems, Internal Medicine
Research/Academic Interests: Cancer epigenetics, novel tumor biomarkers
Outside Interests: Orioles baseball, skiing, golf, music, fishing, family time

Amol Narang
Amol Narang, MD

Hometown: Towson, MD
Undergraduate: Yale University
Medical School: University of Pennsylvania
Intern Year Program: Inova Fairfax
Research/Academic Interests: Health economics, health services research, health policy, health outcomes
Outside Interests: Tennis, golf, boating, Baltimore sports

Ashwin Ram
Ashwin Ram, MD

Hometown: Los Alamitos, CA
Undergraduate: UC San Diego
Graduate School: California Institute of Technology (bioengineering)
Medical School: University of Michigan, Ann Arbor
Intern Year Program: Scripps Mercy San Diego, Transitional Year
Research/Academic Interests: Systems/synthetic biology, bioinformatics, immuno- and combination therapies, single cell dynamics
Outside Interests: Sailing, poker, movies

Recent Graduates

2014 Graduates

Tim Harris
Tim Harris, MD, PhD

Current Position:

Assistant Professor, Pediatrics and CNS Malignancies
Massey Cancer Center, Virginia Commonwealth University

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Rachit Kumar, MD

Current Position:

Clinical Faculty, GI and Head and Neck Malignancies
Banner MD Anderson Cancer Center

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Raju Raval, MD, DPhil

Current Position:

Assistant Professor of Radiation Oncology at The Ohio State University Wexner Medical Center specializing in CNS and GU radiation therapy.

2015 Graduates

Amanda Walker image
Amanda Walker, MD

Current Position:

Medical Officer, Office of Hematology & Oncology Products, US Food and Drug Administration

Andrew Sharabi image

Andrew Sharabi, MD, PhD

Current Position:

Assistant Professor & Physician Scientist, Department of Radiation Medicine and Applied Sciences, University of California at San Diego

Sara Alcorn image
Sara Alcorn, MD, MPH

Current Position:

Faculty, Johns Hopkins Hospital, Department of Radiation Oncology and Molecular Radiation Sciences


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