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.
Office
263 Farmington Ave
Farmington, CT 06030Phone+1 860-679-2100
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
- Decoding Spatial Tissue Architecture: A Scalable Bayesian Topic Model for Multiplexed Imaging Analysis.Xiyu Peng, James W Smithy, Mohammad Yosofvand, Caroline E Kostrzewa, MaryLena Bleile
Biorxiv. 2024-11-09 - Durable complete response in a patient with leptomeningeal melanoma after treatment with dabrafenib, trametinib, and nivolumab.Sarah E Lochrin, Darren J Buonocore, Robert J Young, Thomas J Kaley, Michael A Postow
Pigment Cell & Melanoma Research. 2024-11-01 - 1 citationsEarly On-Treatment Assessment of T Cells, Cytokines, and Tumor DNA with Adaptively Dosed Nivolumab + Ipilimumab: Final Results from the Phase 2 ADAPT-IT Study.James W Smithy, Hannah L Kalvin, Fiona D Ehrich, Ronak Shah, Matthew Adamow
Clinical Cancer Research. 2024-08-15
Press Mentions
- 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: