Dr. Marisa Siebel, MD
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Dr. Marisa Siebel, MD

Hematology / Oncology Specialist - Oncologist (Cancer), Internist - General


  • Board Certified
  • Accepts Insurance Plans


Marisa Siebel, MD, is director of gastrointestinal (GI) malignancies for the Eastern Region at Northwell Health Cancer Institute. Prior to her current appointment, she was the director of medical oncology at Imbert Cancer Center. She is assistant professor at Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.

“For over 20 years, I’ve been doing this work because I love the connection with people,” she says. “I see people at the worst time of their lives, when they need sympathy and a compass, and I treat them like they are my own family.”… 
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Provider Training

St Georges University School of MedicineMedical DegreeMedical SchoolNot Specified

Residency - Maimonides Medical CenterInternal MedicineNot Specified
Fellowship - Fletcher Allen Health Care / University of VermontHematology/OncologyNot Specified

CertificationCert. BodyYear
Internal medicineInternal MedicineNot Specified

Experience & Accolades

Practice & Hospital Affiliations

Dr. Marisa Siebel, MD has not yet indicated the hospitals that she is affiliated with.


Provider Profile 0


Languages Spoken
Medical Specialties
  • Hematology / Oncology Specialist - Sub-Specialty: Oncologist (Cancer)
  • Internist

Years In Practice: 23 (started in 2000)

Accepts New Patients: Yes

Accepted Insurance

Full Insurance List

Payment Options

Payment Details
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