Jeffrey L. Halaas
Advanced in Polycythemia Vera

Dr. Jeffrey L. Halaas

Oncology | Hematology
Northwell Health
90 South Bedford Road, 
Mount Kisco, NY 
On Staff At
Offers Telehealth
Advanced in Polycythemia Vera
Northwell Health
90 South Bedford Road, 
Mount Kisco, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Jeffrey Halaas is a Hematologist and an Oncologist in Mount Kisco, New York. Dr. Halaas is rated as an Advanced provider by MediFind in the treatment of Polycythemia Vera. His top areas of expertise are Familial Colorectal Cancer, Pleuropulmonary Blastoma, Thrombocytopenia, and Schnitzler Syndrome.

His clinical research consists of participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Weill Cornell Medicine Cornell University
Residency
Presbyterian Hospital City of New York
Specialties
Oncology
Hematology
Licenses
Internal Medicine in NY
Board Certifications
American Board Of Internal Medicine/Hematology
American Board Of Internal Medicine/Medical Oncology
Fellowships
Memorial Sloan-Kettering Cancer Center
Hospital Affiliations
Northern Westchester Hospital
Hofstra/Northwell School Of Medicine/Nursing
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
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
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
Health First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetLife
  • PPO
MVP Health
  • EPO
  • PPO
Northwell Health
  • INSURANCE PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 11 Less Insurance Carriers -

Locations

90 South Bedford Road, Mount Kisco, NY 10549
Call: 914-241-1050
Other Locations
185 Route 312, Brewster, NY 10509
Call: 845-278-7000

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.

1 Clinical Trials

An Observational Study Assessing the Clinical Effectiveness of VeriStrat and Validating Immunotherapy Tests in Subjects With Non-Small Cell Lung Cancer
An Observational Study Assessing the Clinical Effectiveness of VeriStrat and Validating Immunotherapy Tests in Subjects With Non-Small Cell Lung Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 19, 2025
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Elite in Polycythemia Vera
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John Mascarenhas is a Hematologist Oncology specialist and a Hematologist in New York, New York. Dr. Mascarenhas is rated as an Elite provider by MediFind in the treatment of Polycythemia Vera. His top areas of expertise are Myelofibrosis, Polycythemia Vera, Myeloproliferative Neoplasms (MPN), Bone Marrow Aspiration, and Splenectomy.

VIEW MORE POLYCYTHEMIA VERA 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. Halaas's expertise for a condition
ConditionClose
    • Distinguished
    • Familial Colorectal Cancer
      Dr. Halaas is
      Distinguished
      . Learn about Familial Colorectal Cancer.
      See more Familial Colorectal Cancer experts
    • Pleuropulmonary Blastoma
      Dr. Halaas is
      Distinguished
      . Learn about Pleuropulmonary Blastoma.
      See more Pleuropulmonary Blastoma experts
    • Thrombocytopenia
      Dr. Halaas is
      Distinguished
      . Learn about Thrombocytopenia.
      See more Thrombocytopenia experts
    • Advanced
    • Adult Immune Thrombocytopenia
      Dr. Halaas is
      Advanced
      . Learn about Adult Immune Thrombocytopenia.
      See more Adult Immune Thrombocytopenia experts
    • Agranulocytosis
      Dr. Halaas is
      Advanced
      . Learn about Agranulocytosis.
      See more Agranulocytosis experts
    • ALK-Positive Non-Small Cell Lung Cancer
      Dr. Halaas is
      Advanced
      . Learn about ALK-Positive Non-Small Cell Lung Cancer.
      See more ALK-Positive Non-Small Cell Lung Cancer experts
    • Anemia
      Dr. Halaas is
      Advanced
      . Learn about Anemia.
      See more Anemia experts
    • Angiosarcoma
      Dr. Halaas is
      Advanced
      . Learn about Angiosarcoma.
      See more Angiosarcoma experts
    • B-Cell Lymphoma
      Dr. Halaas is
      Advanced
      . Learn about B-Cell Lymphoma.
      See more B-Cell Lymphoma experts
    View All 46 Advanced Conditions
    • Experienced
    • Acute Myeloblastic Leukemia with Maturation
      Dr. Halaas is
      Experienced
      . Learn about Acute Myeloblastic Leukemia with Maturation.
      See more Acute Myeloblastic Leukemia with Maturation experts
    • Acute Myeloblastic Leukemia without Maturation
      Dr. Halaas is
      Experienced
      . Learn about Acute Myeloblastic Leukemia without Maturation.
      See more Acute Myeloblastic Leukemia without Maturation experts
    • Acute Myeloid Leukemia (AML)
      Dr. Halaas is
      Experienced
      . Learn about Acute Myeloid Leukemia (AML).
      See more Acute Myeloid Leukemia (AML) experts
    • Adult Soft Tissue Sarcoma
      Dr. Halaas is
      Experienced
      . Learn about Adult Soft Tissue Sarcoma.
      See more Adult Soft Tissue Sarcoma experts
    • Alveolar Soft Part Sarcoma
      Dr. Halaas is
      Experienced
      . Learn about Alveolar Soft Part Sarcoma.
      See more Alveolar Soft Part Sarcoma experts
    • Anal Cancer
      Dr. Halaas is
      Experienced
      . Learn about Anal Cancer.
      See more Anal Cancer experts
    View All 105 Experienced Conditions
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