Expertise in
84
conditions

Dr. Jeffrey Stewart

Hematology
Office
155 Crystal Run Rd, 
Middletown, NY 
Clinical Trials:Currently Recruiting for 2 Trials
Expertise in
84
conditions
Office
155 Crystal Run Rd, 
Middletown, NY 

Overview

Jeffrey Stewart is a Hematologist in Middletown, New York. Dr. Stewart is highly rated in 84 conditions, according to our data. His top areas of expertise are Neuroendocrine Tumor, Lung Cancer, Shwartzman Phenomenon, Pleuropulmonary Blastoma, and Bone Marrow Aspiration.

His clinical research consists of co-authoring 7 peer reviewed articles and participating in 19 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution

University Of Florida College Of Medicine

Specialties

Hematology

Licenses

Internal Medicine in NY

Hospital Affiliations

Garnet Health Medical Center Catskills
Garnet Health Medical Center
St Luke's Cornwall Hospital

Languages Spoken

English

Gender

Male

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
BMC HealthNet
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Capital District Physicians Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MVP Health
  • EPO
  • PPO
Nippon Life
  • INSURANCE PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 13 Less Insurance Carriers -

Locations

Office
155 Crystal Run Rd, Middletown, NY 10941

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.

19 Clinical Trials

Phase II Study of Osimertinib (AZD9291) in Advanced NSCLC Patients With Exon 20 Insertion Mutations in EGFR
Phase II Study of Osimertinib (AZD9291) in Advanced NSCLC Patients With Exon 20 Insertion Mutations in EGFR
Enrollment Status: Recruiting
Publish Date: February 12, 2026
Intervention Type: Procedure, Drug
Study Phase: Phase 2
Phase II Randomized Trial of Radiotherapy With or Without Cisplatin for Surgically Resected Squamous Cell Carcinoma of the Head and Neck (SCCHN) With TP53 Sequencing
Phase II Randomized Trial of Radiotherapy With or Without Cisplatin for Surgically Resected Squamous Cell Carcinoma of the Head and Neck (SCCHN) With TP53 Sequencing
Enrollment Status: Recruiting
Publish Date: January 26, 2026
Intervention Type: Drug, Other, Radiation
Study Drug: Cisplatin
Study Phase: Phase 2
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Biological, Procedure
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Randomized, Phase III Trial to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer With >/= 1 CM Residual Invasive Cancer or Positive Lymph Nodes (ypN1mi, ypN1-3) After Neoadjuvant Chemotherapy
A Randomized, Phase III Trial to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer With >/= 1 CM Residual Invasive Cancer or Positive Lymph Nodes (ypN1mi, ypN1-3) After Neoadjuvant Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Radiation, Procedure, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Phase II/III Study of Peri-Operative Nivolumab and Ipilimumab in Patients With Locoregional Esophageal and Gastroesophageal Junction Adenocarcinoma
A Phase II/III Study of Peri-Operative Nivolumab and Ipilimumab in Patients With Locoregional Esophageal and Gastroesophageal Junction Adenocarcinoma
Enrollment Status: Suspended
Publish Date: February 12, 2026
Intervention Type: Biological, Drug, Procedure, Radiation
Study Drugs: Carboplatin, Ipilimumab, Nivolumab, Paclitaxel
Study Phase: Phase 2/Phase 3
Randomized Phase III Trial of MEDI4736 (Durvalumab) as Concurrent and Consolidative Therapy or Consolidative Therapy Alone for Unresectable Stage 3 NSCLC
Randomized Phase III Trial of MEDI4736 (Durvalumab) as Concurrent and Consolidative Therapy or Consolidative Therapy Alone for Unresectable Stage 3 NSCLC
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Drug, Biological
Study Drugs: Carboplatin, Cisplatin, Durvalumab, Etoposide, Paclitaxel, Pemetrexed Disodium
Study Phase: Phase 3
Phase III Randomized, Placebo-Controlled Clinical Trial Evaluating the Use of Adjuvant Endocrine Therapy +/- One Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive and HER2/Neu Negative Breast Cancer
Phase III Randomized, Placebo-Controlled Clinical Trial Evaluating the Use of Adjuvant Endocrine Therapy +/- One Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive and HER2/Neu Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: February 10, 2026
Intervention Type: Drug, Other
Study Drugs: Anastrozole, Everolimus, Exemestane, Goserelin Acetate, Letrozole, Leuprolide Acetate, Tamoxifen Citrate
Study Phase: Phase 3
Phase II Study of Adding the Anti-PD-1 Pembrolizumab to Tyrosine Kinase Inhibitors in Patients With Chronic Myeloid Leukemia and Persistently Detectable Minimal Residual Disease
Phase II Study of Adding the Anti-PD-1 Pembrolizumab to Tyrosine Kinase Inhibitors in Patients With Chronic Myeloid Leukemia and Persistently Detectable Minimal Residual Disease
Enrollment Status: Active_not_recruiting
Publish Date: January 26, 2026
Intervention Type: Drug, Other, Biological
Study Drugs: Dasatinib, Imatinib Mesylate, Nilotinib, Pembrolizumab
Study Phase: Phase 2
Phase III IGRT and SBRT vs IGRT and Hypofractionated IMRT for Localized Intermediate Risk Prostate Cancer
Phase III IGRT and SBRT vs IGRT and Hypofractionated IMRT for Localized Intermediate Risk Prostate Cancer
Enrollment Status: Active_not_recruiting
Publish Date: January 15, 2026
Intervention Type: Other, Radiation
Study Phase: Phase 3
A Phase II Randomized Study of Adjuvant Versus NeoAdjuvant Pembrolizumab (MK-3475) for Clinically Detectable Stage III-IV High-Risk Melanoma
A Phase II Randomized Study of Adjuvant Versus NeoAdjuvant Pembrolizumab (MK-3475) for Clinically Detectable Stage III-IV High-Risk Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: December 05, 2025
Intervention Type: Procedure, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 2
A Phase II Clinical Trial Platform of Sensitization Utilizing Total Neoadjuvant Therapy (TNT) in Rectal Cancer
A Phase II Clinical Trial Platform of Sensitization Utilizing Total Neoadjuvant Therapy (TNT) in Rectal Cancer
Enrollment Status: Completed
Publish Date: December 04, 2025
Intervention Type: Drug, Radiation, Biological
Study Phase: Phase 2
A Phase II Trial of Trametinib With Docetaxel in Patients With KRAS Mutation Positive Non-Small Cell Lung Cancer (NSCLC) and Progressive Disease Following One or Two Prior Systemic Therapies
A Phase II Trial of Trametinib With Docetaxel in Patients With KRAS Mutation Positive Non-Small Cell Lung Cancer (NSCLC) and Progressive Disease Following One or Two Prior Systemic Therapies
Enrollment Status: Active_not_recruiting
Publish Date: December 02, 2025
Intervention Type: Other, Drug
Study Drugs: Docetaxel, Trametinib
Study Phase: Phase 2
Randomized Phase II Study of 2nd Line FOLFIRI Versus Modified FOLFIRI With PARP Inhibitor ABT-888 (Veliparib) (NSC-737664) in Metastatic Pancreatic Cancer
Randomized Phase II Study of 2nd Line FOLFIRI Versus Modified FOLFIRI With PARP Inhibitor ABT-888 (Veliparib) (NSC-737664) in Metastatic Pancreatic Cancer
Enrollment Status: Active_not_recruiting
Publish Date: December 01, 2025
Intervention Type: Drug, Other
Study Drugs: Fluorouracil, Irinotecan Hydrochloride, Leucovorin Calcium, Veliparib
Study Phase: Phase 2
Randomized Phase II Clinical Trial of Cisplatin/Carboplatin and Etoposide (CE) Alone or in Combination With Nivolumab as Frontline Therapy for Extensive Stage Small Cell Lung Cancer (ED-SCLC)
Randomized Phase II Clinical Trial of Cisplatin/Carboplatin and Etoposide (CE) Alone or in Combination With Nivolumab as Frontline Therapy for Extensive Stage Small Cell Lung Cancer (ED-SCLC)
Enrollment Status: Completed
Publish Date: July 03, 2025
Intervention Type: Drug, Biological
Study Drugs: Carboplatin, Cisplatin, Etoposide, Nivolumab
Study Phase: Phase 2
A Randomized Phase I/II Study of Optimal Induction Therapy of Bortezomib, Dexamethasone and Lenalidomide With or Without Elotuzumab (NSC-764479) for Newly Diagnosed High Risk Multiple Myeloma (HRMM)
A Randomized Phase I/II Study of Optimal Induction Therapy of Bortezomib, Dexamethasone and Lenalidomide With or Without Elotuzumab (NSC-764479) for Newly Diagnosed High Risk Multiple Myeloma (HRMM)
Enrollment Status: Active_not_recruiting
Publish Date: June 10, 2025
Intervention Type: Drug, Other, Biological
Study Drugs: Bortezomib, Dexamethasone, Elotuzumab, Lenalidomide
Study Phase: Phase 1/Phase 2
A Phase III Randomized Study of Nivolumab Plus Ipilimumab Versus Nivolumab for Previously Treated Patients With Stage IV Squamous Cell Lung Cancer and No Matching Biomarker (Lung-Map Sub-Study)
A Phase III Randomized Study of Nivolumab Plus Ipilimumab Versus Nivolumab for Previously Treated Patients With Stage IV Squamous Cell Lung Cancer and No Matching Biomarker (Lung-Map Sub-Study)
Enrollment Status: Active_not_recruiting
Publish Date: May 21, 2025
Intervention Type: Other, Biological
Study Drugs: Ipilimumab, Nivolumab
Study Phase: Phase 3
A Phase II/III Trial of Neoadjuvant FOLFOX With Selective Use of Combined Modality Chemoradiation Versus Preoperative Combined Modality Chemoradiation for Locally Advanced Rectal Cancer Patients Undergoing Low Anterior Resection With Total Mesorectal Excision (PROSPECT)
A Phase II/III Trial of Neoadjuvant FOLFOX With Selective Use of Combined Modality Chemoradiation Versus Preoperative Combined Modality Chemoradiation for Locally Advanced Rectal Cancer Patients Undergoing Low Anterior Resection With Total Mesorectal Excision (PROSPECT)
Enrollment Status: Unknown
Publish Date: February 02, 2024
Intervention Type: Procedure, Other, Drug
Study Phase: Phase 2/Phase 3
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
Enrollment Status: Terminated
Publish Date: April 05, 2023
Intervention Type: Other, Drug
Study Drug: Aspirin
Study Phase: Phase 3
A Phase II Study of Palbociclib for Previously Treated Cell Cycle Gene Alteration Positive Patients With Stage IV Squamous Cell Lung Cancer (Lung-Map Sub-Study)
A Phase II Study of Palbociclib for Previously Treated Cell Cycle Gene Alteration Positive Patients With Stage IV Squamous Cell Lung Cancer (Lung-Map Sub-Study)
Enrollment Status: Completed
Publish Date: May 27, 2021
Intervention Type: Other, Drug
Study Drugs: Docetaxel, Palbociclib
Study Phase: Phase 2/Phase 3
View 17 Less Clinical Trials

7 Total Publications

Radiation Therapy for Gastric Cancer: An ASTRO Clinical Practice Guideline.
Radiation Therapy for Gastric Cancer: An ASTRO Clinical Practice Guideline.
Journal: Practical radiation oncology
Published: October 06, 2025
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Frequently Asked Questions about Dr. Jeffrey Stewart

How do I make an appointment with Dr. Jeffrey Stewart?

You can book an appointment with Dr. Jeffrey Stewart by calling their office at 845-703-6999. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Jeffrey Stewart a top-rated expert for Neuroendocrine Tumor?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Jeffrey Stewart is classified as an Distinguished expert for Neuroendocrine Tumor, 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. Jeffrey Stewart specialize in?

While Dr. Jeffrey Stewart is a Hematology, they have specific expertise in Neuroendocrine Tumor, Lung Cancer, and Shwartzman Phenomenon. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.

Does Dr. Jeffrey Stewart participate in research or clinical trials?

Yes. Dr. Jeffrey Stewart has published 7 articles and abstracts on conditions like Neuroendocrine Tumor. You can view a list of Dr. Jeffrey Stewart's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Jeffrey Stewart accept my insurance?

Dr. Jeffrey Stewart accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 845-703-6999 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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