Summary

Dr. Katherine Hajjar is a hematology and pediatrics specialist who earned her medical degree from Johns Hopkins University School of Medicine. She completed her residency at Children's Hospital and brings 48 years of experience to her practice. Dr. Hajjar's dual expertise allows her to provide specialized blood disorder care for children and young patients.

Dr. Hajjar practices at several prestigious New York locations, including Memorial Sloan Kettering Cancer Center and NewYork Presbyterian Columbia University Irving Medical Center. She also provides care at NewYork Presbyterian Alexandra Cohen Hospital for Women and Newborns in New York. Patients consistently rate her highly, with an average rating of 5.0 on Vitals, reflecting her commitment to exceptional patient care.

AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 48 years of experience
  • Childrens Hospital
  • 2 specialties
  • 7 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 3 office locations
  • Female

Office Locations

Dr. Katherine A Hajjar has 3 locations

Dr. Katherine A Hajjar

1300 York Avenue #A108New York, NY 10065

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Dr. Katherine A Hajjar, MDDr. Ashish Saxena, MD, PhDDr. Pawel Juliusz Muranski, MDDr. Markus Y Mapara, MD
HematologyHematologyHematologyHematology
Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
4.5 
48 Years of Experience 25 Years of Experience 31 Years of Experience 34 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks French, German
New York , NYNew York , NYNew York , NYNew York , NY
Med School: Johns Hopkins University School Of Medicine Med School: Renaissance School Of Medicine At Stony Brook University Med School: Medical University Of Warsaw Med School: Medizinische Fakultaet Mannheim Ruprecht-Karls-Universitaet Heidelberg
Current Profile
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Insurance Plans Accepted by Dr. Katherine A Hajjar

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Katherine A Hajjar has the following 2 specialties

Specialty Expertise

Dr. Katherine A Hajjar has the following 7 areas of expertise

  • Acute Myeloid Leukemia
  • Acute Promyelocytic Leukemia
  • Cancer
  • Chronic Myeloid Leukemia
  • Leukemia
  • Pediatrics
  • Vascular Disease

Certifications, License, & Education

48 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2025, Inactive

EDUCATION & TRAINING

Residency

Childrens Hospital

Medical School

Johns Hopkins University School Of MedicineGraduated in 1978

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Frequently Asked Questions

Does Dr. Katherine Hajjar accept my insurance?
You can see the insurance plans that Dr. Katherine Hajjar accepts on their Vitals profile.
Is Dr. Katherine Hajjar accepting new patients?
Dr. Katherine Hajjar has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Katherine Hajjar accept virtual/telehealth appointments?
Dr. Katherine Hajjar has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Katherine Hajjar's office located?
Dr. Katherine Hajjar's office is located at 1300 York Avenue #A108, New York, NY, 10065.
Which hospitals is Dr. Katherine Hajjar affiliated with?
Dr. Katherine Hajjar is affiliated with Memorial Sloan Kettering Cancer Center, Newyork Presbyterian Columbia University Irving Medical Center, Newyork Presbyterian Alexandra Cohen Hospital For Women And Newborns, and Newyork Presbyterian Columbia University Irving Medical Center.

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