Join to View Full Profile
263 Farmington AveFarmington, CT 06030
Phone+1 860-679-2100
Dr. Callahan is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Education & Training
Memorial Sloan Kettering Cancer CenterFellowship, Hematology and Medical Oncology, 2009 - 2013
University of California (San Francisco)Residency, Internal Medicine, 2007 - 2009
Uconn School Of MedicineClass of 2007
Certifications & Licensure
FL State Medical License 2021 - Present
CT State Medical License 2023 - 2025
NJ State Medical License 2019 - 2025
NH State Medical License 2024 - 2024
NY State Medical License 2008 - 2024
American Board of Internal Medicine Medical Oncology
Clinical Trials
- Tiragolumab Plus Atezolizumab Versus Atezolizumab in the Treatment of Stage II Melanoma Patients Who Are ctDNA-positive Following Resection Start of enrollment: 2022 Nov 08
Roles: Principal Investigator, Contact
- Glycan Mediated Immune Regulation With a Bi-Sialidase Fusion Protein (GLIMMER-01) Start of enrollment: 2022 Feb 11
Roles: Contact, Principal Investigator
Publications & Presentations
PubMed
- Quantitatively defined stromal B cell aggregates are associated with response to checkpoint inhibitors in unresectable melanoma.James W Smithy, Xiyu Peng, Fiona D Ehrich, Andrea P Moy, Mohammad Yosofvand
Cell Reports. 2025-04-22 - Error-corrected flow-based sequencing at whole-genome scale and its application to circulating cell-free DNA profiling.Alexandre Pellan Cheng, Adam J Widman, Anushri Arora, Itai Rusinek, Aaron Sossin
Nature Methods. 2025-04-11 - The response to anti-PD-1 and anti-LAG-3 checkpoint blockade is associated with regulatory T cell reprogramming.Annah S Rolig, Xiyu Peng, Elizabeth R Sturgill, Nisha Holay, Melissa Kasiewicz
Science Translational Medicine. 2025-04-09
Press Mentions
Unlocking Melanoma Immunotherapy Resistance: New Clues from T-cell PlasticityApril 9th, 2025
Search News, Events and AnnouncementsJune 6th, 2017
Statins for Cancer: Still UncertainMay 22nd, 2017
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
