Expertise in
16
conditions

Dr. Catherine Diefenbach

Hematology
Office
240 E 38th St Fl 19, 
New York, NY 
Offers Telehealth
Expertise in
16
conditions
Office
240 E 38th St Fl 19, 
New York, NY 

Overview

Catherine Diefenbach is a Hematologist in New York, New York. Dr. Diefenbach is highly rated in 16 conditions, according to our data. Her top areas of expertise are Non-Hodgkin Lymphoma, Hodgkin Lymphoma, B-Cell Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

Her clinical research consists of co-authoring 78 peer reviewed articles and participating in 15 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties

Hematology

Licenses

Internal Medicine in NY

Hospital Affiliations

Nyu Langone Hospitals

Languages Spoken

English

Gender

Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Cigna
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

Office
240 E 38th St Fl 19, New York, NY 10016
Other Locations
Nyc Health Hospitals / Bellevue
462 1st Ave, New York, NY 10016

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

13 Clinical Trials

A Phase II/III Randomized Study of R-MiniCHOP With or Without CC-486 (Oral Azacitidine) 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
A Phase II/III Randomized Study of R-MiniCHOP With or Without CC-486 (Oral Azacitidine) 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
Enrollment Status: Suspended
Publish Date: February 12, 2026
Intervention Type: Drug, Biological, Procedure, Other
Study Drugs: Cyclophosphamide, Doxorubicin Hydrochloride, Oral Azacitidine, Prednisone, Rituximab, Vincristine Sulfate
Study Phase: Phase 2/Phase 3
Randomized Phase II Open Label Study of Lenalidomide R-CHOP (R2CHOP) vs. RCHOP (Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone) in Patients With Newly Diagnosed Diffuse Large B Cell Lymphoma
Randomized Phase II Open Label Study of Lenalidomide R-CHOP (R2CHOP) vs. RCHOP (Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone) in Patients With Newly Diagnosed Diffuse Large B Cell Lymphoma
Enrollment Status: Active_not_recruiting
Publish Date: November 28, 2025
Intervention Type: Drug, Biological, Other
Study Drugs: Cyclophosphamide, Doxorubicin Hydrochloride, Lenalidomide, Prednisone, Rituximab, Vincristine Sulfate
Study Phase: Phase 2
A Phase I Study With an Expansion Cohort/Randomized Phase II Study of the Combinations of Ipilimumab, Nivolumab and Brentuximab Vedotin in Patients With Relapsed/Refractory Hodgkin Lymphoma
A Phase I Study With an Expansion Cohort/Randomized Phase II Study of the Combinations of Ipilimumab, Nivolumab and Brentuximab Vedotin in Patients With Relapsed/Refractory Hodgkin Lymphoma
Enrollment Status: Active_not_recruiting
Publish Date: November 17, 2025
Intervention Type: Procedure, Drug, Biological
Study Drugs: Brentuximab, Ipilimumab, Nivolumab
Study Phase: Phase 1/Phase 2
A Randomized Phase 2 Study of CDX-1127 (Varlilumab) in Combination With Nivolumab in Patients With Relapsed or Refractory Aggressive B-cell Lymphomas
A Randomized Phase 2 Study of CDX-1127 (Varlilumab) in Combination With Nivolumab in Patients With Relapsed or Refractory Aggressive B-cell Lymphomas
Enrollment Status: Active_not_recruiting
Publish Date: November 10, 2025
Intervention Type: Biological, Drug
Study Drugs: Nivolumab, Varlilumab
Study Phase: Phase 2
A Phase I Study of MLN8237 in Combination With Bortezomib and Rituximab in Relapsed and Refractory Mantle Cell and Low Grade Non-Hodgkin Lymphoma
A Phase I Study of MLN8237 in Combination With Bortezomib and Rituximab in Relapsed and Refractory Mantle Cell and Low Grade Non-Hodgkin Lymphoma
Enrollment Status: Active_not_recruiting
Publish Date: October 09, 2025
Intervention Type: Biological, Drug, Other
Study Drugs: Alisertib, Bortezomib, Rituximab
Study Phase: Phase 1
Phase II, Multi-Center Trial of Nivolumab and Brentuximab Vedotin in Patients With Untreated Hodgkin Lymphoma Over the Age of 60 Years or Unable to Receive Standard Adriamycin, Bleomycin, Vinblastine, and Dacarbazine (ABVD) Chemotherapy
Phase II, Multi-Center Trial of Nivolumab and Brentuximab Vedotin in Patients With Untreated Hodgkin Lymphoma Over the Age of 60 Years or Unable to Receive Standard Adriamycin, Bleomycin, Vinblastine, and Dacarbazine (ABVD) Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: September 09, 2025
Intervention Type: Drug, Biological
Study Drugs: Brentuximab, Nivolumab
Study Phase: Phase 2
A Phase 2 Front-Line PET/CT-2 Response-Adapted Brentuximab Vedotin and Nivolumab Incorporated and Radiation-Free Management of Early Stage Classical Hodgkin Lymphoma (cHL)
A Phase 2 Front-Line PET/CT-2 Response-Adapted Brentuximab Vedotin and Nivolumab Incorporated and Radiation-Free Management of Early Stage Classical Hodgkin Lymphoma (cHL)
Enrollment Status: Active_not_recruiting
Publish Date: November 06, 2024
Intervention Type: Other, Drug, Biological
Study Drugs: Bleomycin, Brentuximab, Dacarbazine, Doxorubicin, Nivolumab, Vinblastine
Study Phase: Phase 2
A Phase 2 Trial of the Combination of Polatuzumab Vedotin, Venetoclax and Rituximab and Hyaluronidase Human for Relapsed and Refractory Mantle Cell Lymphoma
A Phase 2 Trial of the Combination of Polatuzumab Vedotin, Venetoclax and Rituximab and Hyaluronidase Human for Relapsed and Refractory Mantle Cell Lymphoma
Enrollment Status: Terminated
Publish Date: September 19, 2024
Intervention Type: Biological, Drug
Study Drugs: Polatuzumab Vedotin, Rituximab, Hyaluronidase Human, Venetoclax
Study Phase: Phase 2
A Phase 1 Dose Escalation Study of the Safety and Pharmacokinetics of LAM-002A (Apilimod Dimesylate Capsules) Administered Orally in Subjects With Relapsed or Refractory B-Cell Non-Hodgkin's Lymphoma
A Phase 1 Dose Escalation Study of the Safety and Pharmacokinetics of LAM-002A (Apilimod Dimesylate Capsules) Administered Orally in Subjects With Relapsed or Refractory B-Cell Non-Hodgkin's Lymphoma
Enrollment Status: Completed
Publish Date: August 22, 2024
Intervention Type: Drug
Study Drugs: Apilimod, Rituximab, Atezolizumab
Study Phase: Phase 1
A Phase 1a/1b Dose Escalation and Expansion Trial of TTI-621, a Novel Biologic Targeting CD47, in Subjects With Relapsed or Refractory Hematologic Malignancies and Selected Solid Tumors
A Phase 1a/1b Dose Escalation and Expansion Trial of TTI-621, a Novel Biologic Targeting CD47, in Subjects With Relapsed or Refractory Hematologic Malignancies and Selected Solid Tumors
Enrollment Status: Terminated
Publish Date: May 10, 2024
Intervention Type: Drug
Study Drugs: TTI-621, Rituximab
Study Phase: Phase 1
A Phase I/II Study of Ixazomib and Ibrutinib in Relapsed/Refractory Mantle Cell Lymphoma
A Phase I/II Study of Ixazomib and Ibrutinib in Relapsed/Refractory Mantle Cell Lymphoma
Enrollment Status: Completed
Publish Date: January 18, 2024
Intervention Type: Drug
Study Drugs: Ixazomib, Ibrutinib
Study Phase: Phase 1/Phase 2
A Phase I/II Study of the Combination of Pembrolizumab and Lenalidomide, in Patients With Relapsed Non-Hodgkin and Hodgkin Lymphoma
A Phase I/II Study of the Combination of Pembrolizumab and Lenalidomide, in Patients With Relapsed Non-Hodgkin and Hodgkin Lymphoma
Enrollment Status: Terminated
Publish Date: August 14, 2020
Intervention Type: Biological, Drug
Study Phase: Phase 1/Phase 2
A Phase 1, Open-label, Dose-escalation Study of SGN-CD19B in Patients With Relapsed or Refractory Aggressive B-cell Non-Hodgkin Lymphoma
A Phase 1, Open-label, Dose-escalation Study of SGN-CD19B in Patients With Relapsed or Refractory Aggressive B-cell Non-Hodgkin Lymphoma
Enrollment Status: Terminated
Publish Date: August 13, 2018
Intervention Type: Drug
Study Phase: Phase 1
View 12 Less Clinical Trials

78 Total Publications

A retrospectively registered pilot randomized controlled trial of postbiotic administration during antibiotic treatment increases microbiome diversity and enriches health-associated taxa.
A retrospectively registered pilot randomized controlled trial of postbiotic administration during antibiotic treatment increases microbiome diversity and enriches health-associated taxa.
Journal: Infection and immunity
Published: November 28, 2025
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Frequently Asked Questions about Dr. Catherine Diefenbach

How do I make an appointment with Dr. Catherine Diefenbach?

You can book an appointment with Dr. Catherine Diefenbach by calling their office at 212-731-5670. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Catherine Diefenbach a top-rated expert for Non-Hodgkin Lymphoma?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Catherine Diefenbach is classified as an Elite expert for Non-Hodgkin Lymphoma, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Catherine Diefenbach specialize in?

While Dr. Catherine Diefenbach is a Hematology, they have specific expertise in Non-Hodgkin Lymphoma, Hodgkin Lymphoma, and B-Cell Lymphoma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.

Does Dr. Catherine Diefenbach participate in research or clinical trials?

Yes. Dr. Catherine Diefenbach has published 78 articles and abstracts on conditions like Non-Hodgkin Lymphoma. You can view a list of Dr. Catherine Diefenbach's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Catherine Diefenbach accept my insurance?

Dr. Catherine Diefenbach accepts most major insurance plans, including Cigna and Humana. We recommend calling the office directly at 212-731-5670 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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