About Me
I am a hematologist–oncologist specializing in the care of patients with lymphoma. My goal is to provide the best possible care for these patients, and to discover new and scientifically grounded treatments that can improve management and increase the cure rate of lymphoma.
As an oncologist, I am committed to combining compassionate and personalized patient care with cutting-edge, patient-focused, and translational research. I strive to develop treatment plans designed to fit each patient’s unique situation, as well as the biology of the tumor.
At ٺƵ’s Perlmutter Cancer Center, I am currently director of hematology translational research as well as director of the Clinical Lymphoma Program. Our team of experts from various specialties provides outstanding and compassionate clinical care to people with all types of lymphoma. We have the advantage of being at the forefront of advanced research, coupling personalized care with some of the most innovative and groundbreaking clinical trials in the nation. We provide people with access to many exciting new treatments before they are commercially available.
I am currently leading a national clinical trial for patients with relapsed Hodgkin lymphoma. I also serve as the principal investigator for numerous clinical trials at ٺƵ involving a range of different therapies, including targeted therapy, immunotherapy, and radiation therapy. Many of these clinical trials explore innovative methods of combining new targeted or immune-based therapies with existing therapies to find new ways to control lymphoma, while maximizing patients’ quality of life and minimizing side effects. I also collaborate with basic scientists to create the next generation of therapeutic approaches for the management of lymphoma.
I am on the lymphoma committee of the ECOG-ACRIN Cancer Research Group, a cooperative group made up of the Eastern Cooperative Oncology Group and the American College of Radiology Imaging Network. I have also been invited to serve on multiple committees of both the American Society of Hematology and the American Society of Clinical Oncology. I have received research grants for my work from the National Cancer Institute, the American Cancer Society, and the Lymphoma Research Foundation.
Conditions and Treatments
Conditions
- aids-related lymphoma
- blood cancer
- cancer
- cutaneous t-cell lymphoma
- diffuse large b-cell lymphoma
- hematologic malignancies
- hodgkin lymphoma
- lymphoma
- non-hodgkin lymphoma
Learn more about conditions we treat at ٺƵ:
AIDS-Related Lymphoma , Acute Lymphoblastic Leukemia , Acute Myeloid Leukemia , Chronic Lymphocytic Leukemia , Chronic Myelogenous Leukemia , Cutaneous T-Cell Lymphoma , Hairy Cell Leukemia , Myelodysplastic Syndromes , Myeloproliferative Disorders , Non-Hodgkin Lymphoma , Hodgkin Lymphoma , Primary Central Nervous System LymphomaCredentials
Positions
- Associate Professor,
- Director, Hematology Translational Research, Perlmutter Cancer Center
- Director, Clinical Lymphoma Program, Perlmutter Cancer Center
Board Certifications
- American Board of Internal Medicine (Hematology), 2010
- American Board of Internal Medicine - Internal Medicine, 2004
Education and Training
- Fellowship, Memorial Sloan-Kettering Cancer Center, Hematology-Oncology, 2008
- Residency, Johns Hopkins Hospital, Internal Medicine, 2004
- MD from University Of Pennsylvania, 2001
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Insurance Plans Accepted
This provider accepts the following insurance plans.
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Aetna
- Aetna HMO
- Aetna Indemnity
- Aetna International
- Aetna Medicare Advantage
- Aetna Open Access EPO
- Aetna Open Access HMO
- Aetna POS
- Aetna POS (American Express Employer)
- Aetna PPO
- Aetna Signature Administrators PPO
- Aetna Student Plan
- Allied
- Chesterfield Resources Inc
- Christian Brothers Services
- CoreSource
- Nippon Life of America-Aetna
- Nippon Life-Aetna
- Starmark
- WellNet
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Amida Care
- Amida Care Medicaid
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Anthem BCBS Health Plus
- BCBS Healthplus Essential Plan 1
- BCBS Healthplus Essential Plan 2
- BCBS Healthplus Essential Plan 3
- BCBS Healthplus Essential Plan 4
- BCBS Healthplus Gatekeeper exchange
- BCBS Healthplus Mediblue Advantage
- BCBS Healthplus NY Child Health Plus NY
- BCBS Healthplus NY Medicaid Managed Care NY
- BCBS Healthplus Special Needs
- Empire Mediblue Healthplus Dual
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Anthem Blue Cross Blue Shield
- Anthem BCBS CT PPO
- Anthem BCBS CT Pathway PPO
- BCBS Blue Access EPO Large Group
- BCBS Blue Access EPO Small Group
- BCBS Blue Access GEPO Small Group
- BCBS Blue Access PPO Large Group
- BCBS EPO
- BCBS EPO (BlackRock Employees)
- BCBS EPO (LICH Employees)
- BCBS EPO - Empire EPO (ٺƵ Employees)
- BCBS EPO - Empire EPO (Sunset Park/Family Health Center Employees)
- BCBS EPO - Empire NYU Care (ٺƵ Employees)
- BCBS EPO - Empire NYU Care (Sunset Park/Family Health Center Employees)
- BCBS Federal Program
- BCBS Florida Blue Care HMO
- BCBS Florida Blue Medicare PPO
- BCBS Florida Blue Options PPO
- BCBS Florida Blue Select
- BCBS Florida MyBlue HMO
- BCBS Florida Simply Blue
- BCBS Florida Traditional PPC
- BCBS HMO
- BCBS Indemnity
- BCBS Local 32BJ Employees
- BCBS Mediblue Medicare HMO
- BCBS Mediblue Medicare PPO
- BCBS Mediblue Select HMO/Extra HMO
- BCBS POS
- BCBS PPO
- BCBS PPO (BlackRock Employees)
- BCBS PPO (LICH Employees)
- BCBS PPO - Empire PPO (Sunset Park/Family Health Center Employees)
- BCBS PPO/EPO Small Group
- New York Hotel Trades
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Centerlight Healthcare
- CenterLight Healthcare DIRECT
- CenterLight Healthcare PACE
- CenterLight Healthcare Select
- Centerlight Pace Medicare HMO
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Centers Plan For Healthy Living
- Centers Plan For Healthy Living
- Centers Plan For Healthy Living Medicaid Advantage Plus HMO D-SNP
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Cigna
- Apwu Health Plan
- Cigna - Humana
- Cigna Great West PPO
- Cigna HMO
- Cigna Indemnity
- Cigna Managed Care/POS
- Cigna Medicare Advantage
- Cigna NALC
- Cigna Open Access
- Cigna Open Access PPO
- Cigna Oscar
- Cigna PPO
- Cigna Premier Plus
- Great West HMO
- Kaiser Permanente
- MVP-Cigna Network
- Wellfleet-NYU Student
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Connecticare
- Connecticare Bridge
- Connecticare Commercial
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Elderplan
- Elderplan
- Elderplan FIDA
- Elderplan Medicare Advantage Plan
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Emblem
- Emblem Select Care Bronze Small Group
- Emblem Select Care EPO
- Emblem Select Care Gold Small Group
- Emblem Select Care HMO
- Emblem Select Care PPO
- Emblem Select Care Platinum Small Group
- Emblem Select Care Silver Small Group
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Fidelis Care
- Ambetter Fidelis Care Bronze Exchange
- Ambetter Fidelis Care Catastrophic Cvg Exchange
- Ambetter Fidelis Care Gold Exchange
- Ambetter Fidelis Care Native American Exchange
- Ambetter Fidelis Care Platinum Exchange
- Ambetter Fidelis Care Silver Exchange
- Fidelis Care Child Health Plus
- Fidelis Care Medicaid Managed Care
- Fidelis Essential Plan 1
- Fidelis Essential Plan 2
- Fidelis Essential Plan 3
- Fidelis Essential Plan 4
- Wellcare by Fidelis Care Medicare
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First Health
- First Health PPO
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GHI
- American Plan Administrators
- GHI CBP (City of New York Employees)
- GHI Emblem Health EPO
- GHI Emblem Health PPO
- GHI HMO
- GHI HMO Medicare
- GHI Medicare PPO
- GHI Medicare Supplement
- GHI Network Access - Benefit Services of PA
- GHI Network Access - Humana
- GHI Network Access - Total Plan Concepts
- IUOE Local 14-14B
- Wlny-TV Inc.
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HIP
- Emblem Essential Plan 1
- Emblem Essential Plan 2
- Emblem Essential Plan 3
- Emblem Essential Plan 4
- HIP Access I
- HIP Access II
- HIP Bridge
- HIP Child Health Plus
- HIP EPO
- HIP HMO
- HIP Medicaid Enhanced Care
- HIP Medicare Supplement
- HIP POS
- HIP PPO
- HIP Prime Basic Exchange
- HIP Prime Bronze
- HIP Prime Bronze Exchange
- HIP Prime Catastrophic Exchange
- HIP Prime Gold
- HIP Prime Gold Exchange
- HIP Prime Platinum
- HIP Prime Platinum Exchange
- HIP Prime Silver
- HIP Prime Silver Exchange
- HIP VIP Medicare Bold
- HIP VIP Medicare Prime
- Vytra HMO
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Hamaspik Choice
- Hamaspik Choice Medicare DSNP
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Healthfirst
- Health And Recovery Plan (Harp)
- Healthfirst Bronze Leaf Exchange
- Healthfirst Bronze Total, Pro, Plus EPO
- Healthfirst Child Health Plus
- Healthfirst Essential Plan 1 & 2
- Healthfirst Essential Plan 3 & 4
- Healthfirst Gold Leaf Exchange
- Healthfirst Gold Total, Pro, Plus EPO
- Healthfirst Green Leaf Exchange
- Healthfirst Medicaid
- Healthfirst Medicare
- Healthfirst Medicare/NYU Risk
- Healthfirst Personal Wellness Plan
- Healthfirst Platinum Leaf Exchange
- Healthfirst Platinum Total, Pro, Plus EPO
- Healthfirst Silver Leaf Exchange
- Healthfirst Silver Total, Pro, Plus EPO
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Hotel Trades Council
- Hotel Trades Council
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Humana
- Humana Medicare Advantage
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Local 1199
- Local 1199 - NYU Hospital Member Choice
- Local 1199 PPO
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Longevity Health Plan
- Longevity Health Plan Medicare
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Magnacare
- Magnacare PPO
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Medicaid of New York
- NYS Medicaid
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Medicare
- Medicare Part A and B
- Medicare Part B
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MetroPlusHealth
- MetroPlusHealth Bronze Plus Plan Exchange
- MetroPlusHealth Child Health Plus
- MetroPlusHealth Essential Plan 1 and 2
- MetroPlusHealth Essential Plan 3 and 4
- MetroPlusHealth Gold
- MetroPlusHealth Gold Plus Plan Exchange
- MetroPlusHealth Goldcare
- MetroPlusHealth Medicaid Managed Care
- MetroPlusHealth Medicare
- MetroPlusHealth Medplus Plan Exchange
- MetroPlusHealth Platinum Plus Plan Exchange
- MetroPlusHealth Silver Plus Plan Exchange
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Multiplan
- AXA Assistance USA
- Administrative Concepts
- Beech Street PPO
- Diversified Administration Corporation
- Fiserv Health
- GEHA
- Global Excel
- Global Health
- Guardian Life Insurance Co Of America
- Health Net Of California
- Health Republic Of NJ
- Insurance Design Administrators
- Kaiser Foundation
- Kaiser Permanente
- Meritain Health
- Multiplan PPO
- Multiplan-Capital Dist Phys Health
- Mutual Of Omaha
- Nippon Life Ins Co
- PHCS
- Professional Benefit Admin
- Qualcare Inc
- Screen Actors Guild
- Teamsters Allied Benefits
- US Life Insurance Company
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NYSHIP - The Empire Plan
- NYS Health Insurance Plan - The Empire Plan, Excelsior Plan, NY Student Employee Health Plan
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Oxford
- Oxford Health Plans Freedom
- Oxford Health Plans Liberty
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POMCO Insurance Company
- POMCO Insurance Company
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Partners Health Plan Inc
- Partners Health Plan FIDA
- Partners Health Plan Medicaid
- Partners Health Plan Medicare
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Qualcare Inc.
- Qualcare Direct
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Railroad Medicare
- Palmetto GBA Railroad Medicare
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River Spring Health Plan
- River Spring Medicare HMP SNP
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Sedgwick WTC
- World Trade Center - Sedgwick
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Senior Whole Health
- Senior Whole Health Medicare Advantage
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Tricare
- TriWest
- Tricare
- US Family Health Plan
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United Healthcare
- AARP Medicare Complete
- AARP Medicare Complete Mosaic
- Bind Benefits inc
- Oxford Health Plans Medicare Advantage
- UMR
- United Healthcare (NY University Care Plan)
- United Healthcare AARP
- United Healthcare All Savers
- United Healthcare Choice
- United Healthcare Choice (AMEX employees)
- United Healthcare Choice (Blackrock employees)
- United Healthcare Choice (CBS employees)
- United Healthcare Choice (Simon
- United Healthcare EPO
- United Healthcare EPO (ٺƵ Health Employees)
- United Healthcare Golden Rule Insurance
- United Healthcare HMO
- United Healthcare Healthscope
- United Healthcare Indemnity
- United Healthcare Indemnity (ٺƵ Health Employees)
- United Healthcare Medicare
- United Healthcare Navigate
- United Healthcare Nexus
- United Healthcare Nexus (Amex Employees)
- United Healthcare POS
- United Healthcare PPO
- United Healthcare Plus (ٺƵ Health Employees)
- United Healthcare Student Resources
- United Healthcare Student Resources (NYU)
- United Healthcare Value, Advantage and HDHP (New York University employees)
- UnitedHealthcare Choice (NY Power Authority Employees)
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VA Community Care Network
- VA CCN Optum
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VNS Choice Advantage
- VNS Medicare Advantage
- VNS NY Choice Select Health
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Village Care
- VillageCare
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WTC Health Program
- NY Fire Department - WTC
- WTC Health Program
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Wellcare
- WellCare Medicare
Catherine S. Diefenbach, MD does not accept insurance.
Locations and Appointments
ٺƵ Hematology Associates
240 East 38th Street, 19th Floor, New York, NY 10016
Clinical Trials and Research Studies
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A Phase II/III randomized study of R-miniCHOP with or without oral azacitidine (CC-486) in participants age 75 years or older with newly diagnosed diffuse large B cell lymphoma Grade IIIb Follicular Lymphoma transformed lymphoma and high-grade B-cell lymphomas with MYC and BCL2 and/or BCL6 rearrangements
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PHASE III RANDOMIZED OPEN-LABEL MULTICENTER STUDY EVALUATING EFFICACY AND SAFETY OF MOSUNETUZUMAB IN COMBINATION WITH LENALIDOMIDE IN COMPARISON TO RITUXIMAB IN COMBINATION WITH LENALIDOMIDE WITH A NON RANDOMIZED SINGLE ARM US EXTENSION OF MOSUNETUZUMAB IN COMBINATION WITH LENALIDOMIDE IN PATIENTS WITH FOLLICULAR LYMPHOMA AFTER AT LEAST ONE LINE OF SYSTEMIC THERAPY
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AN OPEN-LABEL MULTICENTER PHASE 2 STUDY EVALUATING THE EFFICACY AND SAFETY OF CRG-022 A CD22-DIRECTED AUTOLOGOUS CHIMERIC ANTIGEN RECEPTOR (CAR) T-CELL THERAPY IN PARTICIPANTS WITH RELAPSED/REFRACTORY LARGE B-CELL LYMPHOMA AFTER CD19-DIRECTED CAR T-CELL THERAPY
Publications
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Freeman, Daniel; Diefenbach, Catherine; Lam, Linda; Le, Tri; Alexandre, Jason; Raphael, Bruce; Grossbard, Michael; Kaminetzky, David; Ruan, Jia; Chattopadhyay, Pratip K
Cell reports. 2024 Aug 27; 43(8):114605
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Varma, Gaurav; Diefenbach, Catherine
Seminars in hematology. 2024 Aug ; 61(4):253-262
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Gonzalez-Kozlova, Edgar; Huang, Hsin-Hui; Jagede, Opeyemi A; Tuballes, Kevin; Del Valle, Diane M; Kelly, Geoffrey; Patel, Manishkumar; Xie, Hui; Harris, Jocelyn; Argueta, Kimberly; Nie, Kai; Barcessat, Vanessa; Moravec, Radim; Altreuter, Jennifer; Duose, Dzifa Y; Kahl, Brad S; Ansell, Stephen M; Yu, Joyce; Cerami, Ethan; Lindsay, James R; Wistuba, Ignacio I; Kim-Schulze, Seunghee; Diefenbach, Catherine S; Gnjatic, Sacha
Cancer research communications. 2024 Jul 01; 4(7):1726-1737