Daniel A. Weiser
Advanced in Osteosarcoma

Dr. Daniel A. Weiser

Hematology | Oncology
Montefiore Einstein
The Children's Hospital At Montefiore
3415 Bainbridge Avenue, 
Bronx, NY 
Clinical Trials:Currently Recruiting for 1 Trial

Advanced in Osteosarcoma
Montefiore Einstein
The Children's Hospital At Montefiore
3415 Bainbridge Avenue, 
Bronx, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Daniel A. Weiser, MD, is a board-certified pediatric hematologist/oncologist with clinical expertise in neuroblastoma and tumors of the adrenal glands, kidneys, liver, and gonads. He serves as Director of the Abdominal Solid Tumor Program and Co-Director of the Childhood Cancer Predisposition (CCP) Clinic at the Children’s Hospital at Montefiore Einstein. Dr. Weiser leads a highly specialized, multidisciplinary team dedicated to providing comprehensive and individualized care for children with a broad spectrum of solid tumors.

Dr. Weiser is rated as an Advanced provider by MediFind in the treatment of Osteosarcoma. His top areas of expertise are Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, Adult Soft Tissue Sarcoma, and Osteosarcoma.

His clinical research consists of co-authoring 39 peer reviewed articles and participating in 3 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 7 articles and participated in 2 clinical trials in the study of Osteosarcoma.

Graduate Institution
State University Of NY At Stony Brook School Of Medicine
Residency
Columbia University Medical Center
Specialties
Hematology
Oncology
Licenses
Pediatrics in NY
Board Certifications
American Board Of Pediatrics
Fellowships
The Children's Hospital of Philadelphia
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
Archcare
  • MEDICARE SNP
Capital District Physicians Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
CenterLight Healthcare
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Hamaspik
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
Health First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Longevity Health Plan
  • MEDICARE SNP
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
MVP Health
  • EPO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
Senior Whole Health
  • MEDICARE-MEDICAID PLAN
The Wellness Plan Medical Centers
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
VNS Health
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 15 Less Insurance Carriers -

Locations

The Children's Hospital at Montefiore
3415 Bainbridge Avenue, Bronx, NY 10467
Call: 718-741-2342
Other Locations
Montefiore at 1250 Waters Place
1250 Waters Place, Bronx, NY 10461
Call: 718-741-2450

Additional Areas of Focus

Dr. Weiser has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Immune Thrombocytopenic Purpura (ITP)

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.


3 Clinical Trials

NMTT- Neuroblastoma Maintenance Therapy Trial Using Difluoromethylornithine (DFMO)
NMTT- Neuroblastoma Maintenance Therapy Trial Using Difluoromethylornithine (DFMO)
Enrollment Status: Recruiting
Publish Date: January 21, 2026
Intervention Type: Drug
Study Drug: Difluoromethylornithine (DFMO)
Study Phase: Phase 2
A Phase Ib/II Study to Evaluate the Safety, Feasibility and Efficacy of Nivolumab or Nivolumab in Combination With Azacitidine in Patients With Recurrent, Resectable Osteosarcoma
A Phase Ib/II Study to Evaluate the Safety, Feasibility and Efficacy of Nivolumab or Nivolumab in Combination With Azacitidine in Patients With Recurrent, Resectable Osteosarcoma
Enrollment Status: Active_not_recruiting
Publish Date: February 05, 2026
Intervention Type: Drug, Procedure
Study Drugs: Nivolumab, Azacitidine
Study Phase: Phase 1
Phase II Study of Nab-Paclitaxel in Combination With Gemcitabine for Treatment of Recurrent/Refractory Sarcoma in Teenagers and Young Adults
Phase II Study of Nab-Paclitaxel in Combination With Gemcitabine for Treatment of Recurrent/Refractory Sarcoma in Teenagers and Young Adults
Enrollment Status: Completed
Publish Date: January 26, 2026
Intervention Type: Drug
Study Drugs: Nab-Paclitaxel, Gemcitabine
Study Phase: Phase 2
View 2 Less Clinical Trial

39 Total Publications

5-hydroxymethylcytosine profiles in circulating cell-free DNA associate with disease status in patients with osteosarcoma.
5-hydroxymethylcytosine profiles in circulating cell-free DNA associate with disease status in patients with osteosarcoma.
Journal: Research square
Published: September 15, 2025
View All 39 Publications
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David Loeb, MD, PhD, is Chief, Pediatric Hematology, Oncology and Cellular Therapy at Children’s Hospital at Montefiore and Professor, Pediatrics and Professor, Developmental and Molecular Biology at Montefiore Einstein. His clinical work focuses on tumors of connective tissue, such as bone and muscle. He also has expertise in the care of children with other solid tumors. As a member of the bone marrow transplantation team, Dr. Loeb also cares for patients with acute leukemias and has expertise in the application of immunotherapy to childhood cancer. Dr. Loeb is rated as a Distinguished provider by MediFind in the treatment of Osteosarcoma. His top areas of expertise are Ewing Sarcoma, Osteosarcoma, Adult Soft Tissue Sarcoma, and Bone Tumor.

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Leonard Wexler is a Hematologist and an Oncologist in Montvale, New Jersey. Dr. Wexler is rated as a Distinguished provider by MediFind in the treatment of Osteosarcoma. His top areas of expertise are Rhabdomyosarcoma, Adult Soft Tissue Sarcoma, Ewing Sarcoma, Hepato-Pancreato-Biliary Surgery, and Orchiectomy. Dr. Wexler is currently accepting new patients.

VIEW MORE OSTEOSARCOMA DOCTORS

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

Find Dr. Weiser's expertise for a condition
ConditionClose
    • Distinguished
    • Embryonal Tumor with Multilayered Rosettes
      Dr. Weiser is
      Distinguished
      . Learn about Embryonal Tumor with Multilayered Rosettes.
      See more Embryonal Tumor with Multilayered Rosettes experts
    • Neuroblastoma
      Dr. Weiser is
      Distinguished
      . Learn about Neuroblastoma.
      See more Neuroblastoma experts
    • Advanced
    • Adult Soft Tissue Sarcoma
      Dr. Weiser is
      Advanced
      . Learn about Adult Soft Tissue Sarcoma.
      See more Adult Soft Tissue Sarcoma experts
    • Osteosarcoma
      Dr. Weiser is
      Advanced
      . Learn about Osteosarcoma.
      See more Osteosarcoma experts
    • Experienced
    • Atypical Hemolytic Uremic Syndrome (aHUS)
      Dr. Weiser is
      Experienced
      . Learn about Atypical Hemolytic Uremic Syndrome (aHUS).
      See more Atypical Hemolytic Uremic Syndrome (aHUS) experts
    • Desmoplastic Small Round Cell Tumor
      Dr. Weiser is
      Experienced
      . Learn about Desmoplastic Small Round Cell Tumor.
      See more Desmoplastic Small Round Cell Tumor experts
    • Ewing Sarcoma
      Dr. Weiser is
      Experienced
      . Learn about Ewing Sarcoma.
      See more Ewing Sarcoma experts
    • Infantile Neutropenia
      Dr. Weiser is
      Experienced
      . Learn about Infantile Neutropenia.
      See more Infantile Neutropenia experts
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