Summary

Dr. Jeffrey Halaas is a medical oncologist and hematologist who specializes in treating blood disorders and cancer. He earned his medical degree from Weill Cornell Medical College and has been practicing for 27 years. Dr. Halaas speaks English and brings extensive experience to his patient care.

He practices at Putnam Hospital Center and Northern Westchester Hospital, with locations in Mount Kisco and Brewster, New York. Dr. Halaas focuses on treating breast cancer, including metastatic cases, and helps patients manage treatment side effects like nausea and vomiting. His practice includes performing blood tests and complete blood counts, as well as providing infusion therapy for cancer treatment. Patients have given him an average rating of 3.7 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.7
  • 27 years of experience
  • 30 insurance plans accepted
  • speaks English
  • Weill Cornell Medical College
  • 4 written reviews
  • 3 specialties
  • 13 areas of expertise
  • 3 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Jeffrey L Halaas has 2 locations

Jeffrey L Halaas

90 S Bedford RdMount Kisco, NY 10549
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Jeffrey L Halaas

185 Route 312Brewster, NY 10509
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Jeffrey L Halaas, MD
Dr. David L Diuguid, MD
Dr. Andrew Eisenberger, MD
Michael J. Mauro, MD
Jeffrey L Halaas, MDDr. David L Diuguid, MDDr. Andrew Eisenberger, MDMichael J. Mauro, MD
HematologyHematologyHematologyHematology
Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
4.1 
4.2 
27 Years of Experience 47 Years of Experience 25 Years of Experience 32 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks Spanish, English Speaks Spanish Speaks English
Mount Kisco , NYNew York , NYNew York , NYMontvale , NJ
Med School: Weill Cornell Medical College Med School: Weill Cornell Medical College Med School: Albert Einstein College Of Medicine Of Yeshiva University Med School: Geisel School Of Medicine At Dartmouth
Current Profile
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Insurance Plans Accepted by Jeffrey L Halaas

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Affinity by Molina Healthcare
  • Anthem Blue Cross Blue Shield
  • CDPHP
  • Centivo
  • Cigna
  • ConnectiCare
  • Consumer Health Network
  • Coventry
  • EmblemHealth Insurance Company
  • EmblemHealth Plan Inc
  • Empire Blue Cross Blue Shield
  • Fidelis
  • First Health Network
  • Great West Healthcare
  • Health Insurance Plan of Greater Network
  • Healthfirst
  • Humana
  • MagnaCare
  • Medicare
  • Multiplan
  • MVP Health Care
  • Northwell Direct Network
  • Oscar
  • Oxford
  • Partners Health Plan
  • Private Healthcare Systems
  • The New York State Health Insurance Program
  • Tricare
  • United Healthcare

Medical Specialties

Jeffrey L Halaas has the following 3 specialties

Specialty Expertise

Jeffrey L Halaas has the following 13 areas of expertise

  • Anemia
  • Blood Cancer
  • Bone Marrow Transplant
  • Cancer
  • Chemotherapy
  • Hematologist
  • Leukemia
  • Lymphoma
  • Myelodysplastic Syndromes
  • Myelofibrosis
  • Myeloma
  • Myeloproliferative Disorders
  • Oncologist

Certifications, License, & Education

27 Years Experience

Jeffrey L Halaas holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Medical School

Graduated from Weill Cornell Medical College in 1999.

NPI Number

Jeffrey L Halaas' NPI number is 1851346928.

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Frequently Asked Questions

Which hospitals is Jeffrey Halaas affiliated with?
Jeffrey Halaas is affiliated with Putnam Hospital Center and Northern Westchester Hospital.
Does Jeffrey Halaas accept my insurance?
You can see the insurance plans that Jeffrey Halaas accepts on their Vitals profile.
How can I make an appointment with Jeffrey Halaas?
You can find contact information for Jeffrey Halaas here on Vitals.
What languages does Jeffrey Halaas speak?
Jeffrey Halaas speaks English.
Does Jeffrey Halaas accept virtual/telehealth appointments?
Jeffrey Halaas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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