Jeffrey Joseph Ishizuka MD

Physician

20 York StNew Haven, CT 06510
Phone+1 203-688-4242

Dr. Ishizuka is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—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.

See Dr. Ishizuka's full profile Already have an account?

Education & Training

Mass General Brigham/Brigham and Women's Hospital/Massachusetts General Hospital/Dana-Farber Cancer InstituteFellowship, Hematology and Medical Oncology, 2015 - 2019
Mass General Brigham/Brigham and Women's HospitalResidency, Internal Medicine, 2013 - 2016
Harvard Medical SchoolClass of 2013

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

CT State Medical License 2020 - 2027
MA State Medical License 2016 - 2021
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Medical Oncology

Publications & Presentations

PubMed

5 citations
Myeloid cells mediate interferon-driven resistance to immunotherapy in advanced renal cell carcinoma.
Kevin Bi, Soki Kashima, Sabrina Y Camp, Kevin Meli, Eddy Saad
Immunity. 2025-11-11
1 citations
Targeting an essential viral oncoprotein with an IL-7-enhanced mRNA vaccine induces durable immunity to Merkel cell carcinoma.
Alexander Frey, Kathryn Clulo, Yuewei Fei, Therese Cordero Dumit, Frankie Scallo
Cell Reports. 2025-10-28