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.

Overview based on verified provider data

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. Imo Joseph Akpan, MDDr. Markus Y Mapara, MDDr. Ashish Saxena, MD, PhD
HematologyHematologyHematologyHematology
Accepts New Patients Accepts New Patients Accepts New Patients
2.3 
4.5 
4.8 
48 Years of Experience 14 Years of Experience 34 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks French, German Speaks English
New York , NYNew York , NYNew York , NYNew York , NY
Med School: Johns Hopkins University School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine Med School: Medizinische Fakultaet Mannheim Ruprecht-Karls-Universitaet Heidelberg Med School: Renaissance School Of Medicine At Stony Brook University
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

Dr. Katherine A Hajjar holds an inactive medical license in the state of New York.

Medical License

Medical Doctor with an inactive medical license in the state of New York that expired in 2025.

Education & Training

Residency

Completed their residency at Childrens Hospital.

Medical School

Graduated from Johns Hopkins University School Of Medicine in 1978.

NPI Number

Dr. Hajjar's NPI number is 1740377837.

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Frequently Asked Questions

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.
Where is Dr. Katherine Hajjar's office located?
Dr. Katherine Hajjar's office is located at 1300 York Avenue #A108, New York, NY, 10065.
Does Dr. Katherine Hajjar accept my insurance?
You can see the insurance plans that Dr. Katherine Hajjar accepts on their Vitals profile.
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.
How can I make an appointment with Dr. Katherine Hajjar?
You can find contact information for Dr. Katherine Hajjar here on Vitals.

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